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CREATE TABLE Rooms (RoomId text, roomName text, beds number, bedType text, maxOccupancy number, basePrice number, decor text); CREATE TABLE Reservations (Code number, Room text, CheckIn text, CheckOut text, Rate number, LastName text, FirstName text, Adults number, Kids number);
|
What kind of decor has the least number of reservations?
|
SELECT T2.decor FROM Reservations AS T1 JOIN Rooms AS T2 ON T1.Room = T2.RoomId GROUP BY T2.decor ORDER BY count(T2.decor) ASC LIMIT 1;
|
extra
|
CREATE TABLE Rooms (RoomId text, roomName text, beds number, bedType text, maxOccupancy number, basePrice number, decor text); CREATE TABLE Reservations (Code number, Room text, CheckIn text, CheckOut text, Rate number, LastName text, FirstName text, Adults number, Kids number);
|
What is the least popular kind of decor?
|
SELECT T2.decor FROM Reservations AS T1 JOIN Rooms AS T2 ON T1.Room = T2.RoomId GROUP BY T2.decor ORDER BY count(T2.decor) ASC LIMIT 1;
|
extra
|
CREATE TABLE Rooms (RoomId text, roomName text, beds number, bedType text, maxOccupancy number, basePrice number, decor text); CREATE TABLE Reservations (Code number, Room text, CheckIn text, CheckOut text, Rate number, LastName text, FirstName text, Adults number, Kids number);
|
List how many times the number of people in the room reached the maximum occupancy of the room. The number of people include adults and kids.
|
SELECT count(*) FROM Reservations AS T1 JOIN Rooms AS T2 ON T1.Room = T2.RoomId WHERE T2.maxOccupancy = T1.Adults + T1.Kids;
|
medium
|
CREATE TABLE Rooms (RoomId text, roomName text, beds number, bedType text, maxOccupancy number, basePrice number, decor text); CREATE TABLE Reservations (Code number, Room text, CheckIn text, CheckOut text, Rate number, LastName text, FirstName text, Adults number, Kids number);
|
How many times the number of adults and kids staying in a room reached the maximum capacity of the room?
|
SELECT count(*) FROM Reservations AS T1 JOIN Rooms AS T2 ON T1.Room = T2.RoomId WHERE T2.maxOccupancy = T1.Adults + T1.Kids;
|
medium
|
CREATE TABLE Rooms (RoomId text, roomName text, beds number, bedType text, maxOccupancy number, basePrice number, decor text); CREATE TABLE Reservations (Code number, Room text, CheckIn text, CheckOut text, Rate number, LastName text, FirstName text, Adults number, Kids number);
|
Find the first and last names of people who payed more than the rooms' base prices.
|
SELECT T1.firstname , T1.lastname FROM Reservations AS T1 JOIN Rooms AS T2 ON T1.Room = T2.RoomId WHERE T1.Rate - T2.basePrice > 0
|
medium
|
CREATE TABLE Rooms (RoomId text, roomName text, beds number, bedType text, maxOccupancy number, basePrice number, decor text); CREATE TABLE Reservations (Code number, Room text, CheckIn text, CheckOut text, Rate number, LastName text, FirstName text, Adults number, Kids number);
|
What are the first and last names of people who payed more than the rooms' base prices?
|
SELECT T1.firstname , T1.lastname FROM Reservations AS T1 JOIN Rooms AS T2 ON T1.Room = T2.RoomId WHERE T1.Rate - T2.basePrice > 0
|
medium
|
CREATE TABLE Rooms (RoomId text, roomName text, beds number, bedType text, maxOccupancy number, basePrice number, decor text); CREATE TABLE Reservations (Code number, Room text, CheckIn text, CheckOut text, Rate number, LastName text, FirstName text, Adults number, Kids number);
|
How many rooms are there?
|
SELECT count(*) FROM Rooms;
|
easy
|
CREATE TABLE Rooms (RoomId text, roomName text, beds number, bedType text, maxOccupancy number, basePrice number, decor text); CREATE TABLE Reservations (Code number, Room text, CheckIn text, CheckOut text, Rate number, LastName text, FirstName text, Adults number, Kids number);
|
What is the total number of rooms available in this inn?
|
SELECT count(*) FROM Rooms;
|
easy
|
CREATE TABLE Rooms (RoomId text, roomName text, beds number, bedType text, maxOccupancy number, basePrice number, decor text); CREATE TABLE Reservations (Code number, Room text, CheckIn text, CheckOut text, Rate number, LastName text, FirstName text, Adults number, Kids number);
|
Find the number of rooms with a king bed.
|
SELECT count(*) FROM Rooms WHERE bedType = "King";
|
easy
|
CREATE TABLE Rooms (RoomId text, roomName text, beds number, bedType text, maxOccupancy number, basePrice number, decor text); CREATE TABLE Reservations (Code number, Room text, CheckIn text, CheckOut text, Rate number, LastName text, FirstName text, Adults number, Kids number);
|
How many rooms have a king bed?
|
SELECT count(*) FROM Rooms WHERE bedType = "King";
|
easy
|
CREATE TABLE Rooms (RoomId text, roomName text, beds number, bedType text, maxOccupancy number, basePrice number, decor text); CREATE TABLE Reservations (Code number, Room text, CheckIn text, CheckOut text, Rate number, LastName text, FirstName text, Adults number, Kids number);
|
Find the number of rooms for each bed type.
|
SELECT bedType , count(*) FROM Rooms GROUP BY bedType;
|
medium
|
CREATE TABLE Rooms (RoomId text, roomName text, beds number, bedType text, maxOccupancy number, basePrice number, decor text); CREATE TABLE Reservations (Code number, Room text, CheckIn text, CheckOut text, Rate number, LastName text, FirstName text, Adults number, Kids number);
|
What are the number of rooms for each bed type?
|
SELECT bedType , count(*) FROM Rooms GROUP BY bedType;
|
medium
|
CREATE TABLE Rooms (RoomId text, roomName text, beds number, bedType text, maxOccupancy number, basePrice number, decor text); CREATE TABLE Reservations (Code number, Room text, CheckIn text, CheckOut text, Rate number, LastName text, FirstName text, Adults number, Kids number);
|
Find the name of the room with the maximum occupancy.
|
SELECT roomName FROM Rooms ORDER BY maxOccupancy DESC LIMIT 1;
|
medium
|
CREATE TABLE Rooms (RoomId text, roomName text, beds number, bedType text, maxOccupancy number, basePrice number, decor text); CREATE TABLE Reservations (Code number, Room text, CheckIn text, CheckOut text, Rate number, LastName text, FirstName text, Adults number, Kids number);
|
What is the name of the room that can accommodate the most people?
|
SELECT roomName FROM Rooms ORDER BY maxOccupancy DESC LIMIT 1;
|
medium
|
CREATE TABLE Rooms (RoomId text, roomName text, beds number, bedType text, maxOccupancy number, basePrice number, decor text); CREATE TABLE Reservations (Code number, Room text, CheckIn text, CheckOut text, Rate number, LastName text, FirstName text, Adults number, Kids number);
|
Find the id and name of the most expensive base price room.
|
SELECT RoomId , roomName FROM Rooms ORDER BY basePrice DESC LIMIT 1;
|
medium
|
CREATE TABLE Rooms (RoomId text, roomName text, beds number, bedType text, maxOccupancy number, basePrice number, decor text); CREATE TABLE Reservations (Code number, Room text, CheckIn text, CheckOut text, Rate number, LastName text, FirstName text, Adults number, Kids number);
|
Which room has the highest base price?
|
SELECT RoomId , roomName FROM Rooms ORDER BY basePrice DESC LIMIT 1;
|
medium
|
CREATE TABLE Rooms (RoomId text, roomName text, beds number, bedType text, maxOccupancy number, basePrice number, decor text); CREATE TABLE Reservations (Code number, Room text, CheckIn text, CheckOut text, Rate number, LastName text, FirstName text, Adults number, Kids number);
|
List the type of bed and name of all traditional rooms.
|
SELECT roomName , bedType FROM Rooms WHERE decor = "traditional";
|
medium
|
CREATE TABLE Rooms (RoomId text, roomName text, beds number, bedType text, maxOccupancy number, basePrice number, decor text); CREATE TABLE Reservations (Code number, Room text, CheckIn text, CheckOut text, Rate number, LastName text, FirstName text, Adults number, Kids number);
|
What are the bed type and name of all the rooms with traditional decor?
|
SELECT roomName , bedType FROM Rooms WHERE decor = "traditional";
|
medium
|
CREATE TABLE Rooms (RoomId text, roomName text, beds number, bedType text, maxOccupancy number, basePrice number, decor text); CREATE TABLE Reservations (Code number, Room text, CheckIn text, CheckOut text, Rate number, LastName text, FirstName text, Adults number, Kids number);
|
Find the number of rooms with king bed for each decor type.
|
SELECT decor , count(*) FROM Rooms WHERE bedType = "King" GROUP BY decor;
|
medium
|
CREATE TABLE Rooms (RoomId text, roomName text, beds number, bedType text, maxOccupancy number, basePrice number, decor text); CREATE TABLE Reservations (Code number, Room text, CheckIn text, CheckOut text, Rate number, LastName text, FirstName text, Adults number, Kids number);
|
How many rooms have king beds? Report the number for each decor type.
|
SELECT decor , count(*) FROM Rooms WHERE bedType = "King" GROUP BY decor;
|
medium
|
CREATE TABLE Rooms (RoomId text, roomName text, beds number, bedType text, maxOccupancy number, basePrice number, decor text); CREATE TABLE Reservations (Code number, Room text, CheckIn text, CheckOut text, Rate number, LastName text, FirstName text, Adults number, Kids number);
|
Find the average and minimum price of the rooms in different decor.
|
SELECT decor , avg(basePrice) , min(basePrice) FROM Rooms GROUP BY decor;
|
medium
|
CREATE TABLE Rooms (RoomId text, roomName text, beds number, bedType text, maxOccupancy number, basePrice number, decor text); CREATE TABLE Reservations (Code number, Room text, CheckIn text, CheckOut text, Rate number, LastName text, FirstName text, Adults number, Kids number);
|
What is the average minimum and price of the rooms for each different decor.
|
SELECT decor , avg(basePrice) , min(basePrice) FROM Rooms GROUP BY decor;
|
medium
|
CREATE TABLE Rooms (RoomId text, roomName text, beds number, bedType text, maxOccupancy number, basePrice number, decor text); CREATE TABLE Reservations (Code number, Room text, CheckIn text, CheckOut text, Rate number, LastName text, FirstName text, Adults number, Kids number);
|
List the name of all rooms sorted by their prices.
|
SELECT roomName FROM Rooms ORDER BY basePrice;
|
easy
|
CREATE TABLE Rooms (RoomId text, roomName text, beds number, bedType text, maxOccupancy number, basePrice number, decor text); CREATE TABLE Reservations (Code number, Room text, CheckIn text, CheckOut text, Rate number, LastName text, FirstName text, Adults number, Kids number);
|
Sort all the rooms according to the price. Just report the room names.
|
SELECT roomName FROM Rooms ORDER BY basePrice;
|
easy
|
CREATE TABLE Rooms (RoomId text, roomName text, beds number, bedType text, maxOccupancy number, basePrice number, decor text); CREATE TABLE Reservations (Code number, Room text, CheckIn text, CheckOut text, Rate number, LastName text, FirstName text, Adults number, Kids number);
|
Find the number of rooms with price higher than 120 for different decor.
|
SELECT decor , count(*) FROM Rooms WHERE basePrice > 120 GROUP BY decor;
|
medium
|
CREATE TABLE Rooms (RoomId text, roomName text, beds number, bedType text, maxOccupancy number, basePrice number, decor text); CREATE TABLE Reservations (Code number, Room text, CheckIn text, CheckOut text, Rate number, LastName text, FirstName text, Adults number, Kids number);
|
How many rooms cost more than 120, for each different decor?
|
SELECT decor , count(*) FROM Rooms WHERE basePrice > 120 GROUP BY decor;
|
medium
|
CREATE TABLE Rooms (RoomId text, roomName text, beds number, bedType text, maxOccupancy number, basePrice number, decor text); CREATE TABLE Reservations (Code number, Room text, CheckIn text, CheckOut text, Rate number, LastName text, FirstName text, Adults number, Kids number);
|
For each bed type, find the average room price.
|
SELECT bedType , avg(basePrice) FROM Rooms GROUP BY bedType;
|
medium
|
CREATE TABLE Rooms (RoomId text, roomName text, beds number, bedType text, maxOccupancy number, basePrice number, decor text); CREATE TABLE Reservations (Code number, Room text, CheckIn text, CheckOut text, Rate number, LastName text, FirstName text, Adults number, Kids number);
|
What is the average base price of rooms, for each bed type?
|
SELECT bedType , avg(basePrice) FROM Rooms GROUP BY bedType;
|
medium
|
CREATE TABLE Rooms (RoomId text, roomName text, beds number, bedType text, maxOccupancy number, basePrice number, decor text); CREATE TABLE Reservations (Code number, Room text, CheckIn text, CheckOut text, Rate number, LastName text, FirstName text, Adults number, Kids number);
|
List the name of rooms with king or queen bed.
|
SELECT roomName FROM Rooms WHERE bedType = "King" OR bedType = "Queen";
|
medium
|
CREATE TABLE Rooms (RoomId text, roomName text, beds number, bedType text, maxOccupancy number, basePrice number, decor text); CREATE TABLE Reservations (Code number, Room text, CheckIn text, CheckOut text, Rate number, LastName text, FirstName text, Adults number, Kids number);
|
What are the names of rooms that have either king or queen bed?
|
SELECT roomName FROM Rooms WHERE bedType = "King" OR bedType = "Queen";
|
medium
|
CREATE TABLE Rooms (RoomId text, roomName text, beds number, bedType text, maxOccupancy number, basePrice number, decor text); CREATE TABLE Reservations (Code number, Room text, CheckIn text, CheckOut text, Rate number, LastName text, FirstName text, Adults number, Kids number);
|
How many different types of beds are there?
|
SELECT count(DISTINCT bedType) FROM Rooms;
|
easy
|
CREATE TABLE Rooms (RoomId text, roomName text, beds number, bedType text, maxOccupancy number, basePrice number, decor text); CREATE TABLE Reservations (Code number, Room text, CheckIn text, CheckOut text, Rate number, LastName text, FirstName text, Adults number, Kids number);
|
Find the number of distinct bed types available in this inn.
|
SELECT count(DISTINCT bedType) FROM Rooms;
|
easy
|
CREATE TABLE Rooms (RoomId text, roomName text, beds number, bedType text, maxOccupancy number, basePrice number, decor text); CREATE TABLE Reservations (Code number, Room text, CheckIn text, CheckOut text, Rate number, LastName text, FirstName text, Adults number, Kids number);
|
Find the name and id of the top 3 expensive rooms.
|
SELECT RoomId , roomName FROM Rooms ORDER BY basePrice DESC LIMIT 3;
|
medium
|
CREATE TABLE Rooms (RoomId text, roomName text, beds number, bedType text, maxOccupancy number, basePrice number, decor text); CREATE TABLE Reservations (Code number, Room text, CheckIn text, CheckOut text, Rate number, LastName text, FirstName text, Adults number, Kids number);
|
What are the name and id of the three highest priced rooms?
|
SELECT RoomId , roomName FROM Rooms ORDER BY basePrice DESC LIMIT 3;
|
medium
|
CREATE TABLE Rooms (RoomId text, roomName text, beds number, bedType text, maxOccupancy number, basePrice number, decor text); CREATE TABLE Reservations (Code number, Room text, CheckIn text, CheckOut text, Rate number, LastName text, FirstName text, Adults number, Kids number);
|
Find the name of rooms whose price is higher than the average price.
|
SELECT roomName FROM Rooms WHERE basePrice > ( SELECT avg(basePrice) FROM Rooms );
|
hard
|
CREATE TABLE Rooms (RoomId text, roomName text, beds number, bedType text, maxOccupancy number, basePrice number, decor text); CREATE TABLE Reservations (Code number, Room text, CheckIn text, CheckOut text, Rate number, LastName text, FirstName text, Adults number, Kids number);
|
What are the name of rooms that cost more than the average.
|
SELECT roomName FROM Rooms WHERE basePrice > ( SELECT avg(basePrice) FROM Rooms );
|
hard
|
CREATE TABLE Rooms (RoomId text, roomName text, beds number, bedType text, maxOccupancy number, basePrice number, decor text); CREATE TABLE Reservations (Code number, Room text, CheckIn text, CheckOut text, Rate number, LastName text, FirstName text, Adults number, Kids number);
|
Find the number of rooms that do not have any reservation.
|
SELECT count(*) FROM rooms WHERE roomid NOT IN (SELECT DISTINCT room FROM reservations)
|
extra
|
CREATE TABLE Rooms (RoomId text, roomName text, beds number, bedType text, maxOccupancy number, basePrice number, decor text); CREATE TABLE Reservations (Code number, Room text, CheckIn text, CheckOut text, Rate number, LastName text, FirstName text, Adults number, Kids number);
|
How many rooms have not had any reservation yet?
|
SELECT count(*) FROM rooms WHERE roomid NOT IN (SELECT DISTINCT room FROM reservations)
|
extra
|
CREATE TABLE Rooms (RoomId text, roomName text, beds number, bedType text, maxOccupancy number, basePrice number, decor text); CREATE TABLE Reservations (Code number, Room text, CheckIn text, CheckOut text, Rate number, LastName text, FirstName text, Adults number, Kids number);
|
Return the name and number of reservations made for each of the rooms.
|
SELECT T2.roomName , count(*) , T1.Room FROM Reservations AS T1 JOIN Rooms AS T2 ON T1.Room = T2.RoomId GROUP BY T1.Room
|
medium
|
CREATE TABLE Rooms (RoomId text, roomName text, beds number, bedType text, maxOccupancy number, basePrice number, decor text); CREATE TABLE Reservations (Code number, Room text, CheckIn text, CheckOut text, Rate number, LastName text, FirstName text, Adults number, Kids number);
|
For each room, find its name and the number of times reservations were made for it.
|
SELECT T2.roomName , count(*) , T1.Room FROM Reservations AS T1 JOIN Rooms AS T2 ON T1.Room = T2.RoomId GROUP BY T1.Room
|
medium
|
CREATE TABLE Rooms (RoomId text, roomName text, beds number, bedType text, maxOccupancy number, basePrice number, decor text); CREATE TABLE Reservations (Code number, Room text, CheckIn text, CheckOut text, Rate number, LastName text, FirstName text, Adults number, Kids number);
|
Find the names of rooms that have been reserved for more than 60 times.
|
SELECT T2.roomName FROM Reservations AS T1 JOIN Rooms AS T2 ON T1.Room = T2.RoomId GROUP BY T1.Room HAVING count(*) > 60
|
medium
|
CREATE TABLE Rooms (RoomId text, roomName text, beds number, bedType text, maxOccupancy number, basePrice number, decor text); CREATE TABLE Reservations (Code number, Room text, CheckIn text, CheckOut text, Rate number, LastName text, FirstName text, Adults number, Kids number);
|
What are the names of rooms whose reservation frequency exceeds 60 times?
|
SELECT T2.roomName FROM Reservations AS T1 JOIN Rooms AS T2 ON T1.Room = T2.RoomId GROUP BY T1.Room HAVING count(*) > 60
|
medium
|
CREATE TABLE Rooms (RoomId text, roomName text, beds number, bedType text, maxOccupancy number, basePrice number, decor text); CREATE TABLE Reservations (Code number, Room text, CheckIn text, CheckOut text, Rate number, LastName text, FirstName text, Adults number, Kids number);
|
Find the name of rooms whose base price is between 120 and 150.
|
SELECT roomname FROM rooms WHERE baseprice BETWEEN 120 AND 150
|
easy
|
CREATE TABLE Rooms (RoomId text, roomName text, beds number, bedType text, maxOccupancy number, basePrice number, decor text); CREATE TABLE Reservations (Code number, Room text, CheckIn text, CheckOut text, Rate number, LastName text, FirstName text, Adults number, Kids number);
|
Which rooms cost between 120 and 150? Give me the room names.
|
SELECT roomname FROM rooms WHERE baseprice BETWEEN 120 AND 150
|
easy
|
CREATE TABLE Rooms (RoomId text, roomName text, beds number, bedType text, maxOccupancy number, basePrice number, decor text); CREATE TABLE Reservations (Code number, Room text, CheckIn text, CheckOut text, Rate number, LastName text, FirstName text, Adults number, Kids number);
|
Find the name of rooms booked by some customers whose first name contains ROY.
|
SELECT T2.roomName FROM Reservations AS T1 JOIN Rooms AS T2 ON T1.Room = T2.RoomId WHERE firstname LIKE '%ROY%'
|
hard
|
CREATE TABLE Rooms (RoomId text, roomName text, beds number, bedType text, maxOccupancy number, basePrice number, decor text); CREATE TABLE Reservations (Code number, Room text, CheckIn text, CheckOut text, Rate number, LastName text, FirstName text, Adults number, Kids number);
|
What are the name of rooms booked by customers whose first name has "ROY" in part?
|
SELECT T2.roomName FROM Reservations AS T1 JOIN Rooms AS T2 ON T1.Room = T2.RoomId WHERE firstname LIKE '%ROY%'
|
hard
|
CREATE TABLE Customer_Master_Index (master_customer_id number, cmi_details text); CREATE TABLE CMI_Cross_References (cmi_cross_ref_id number, master_customer_id number, source_system_code text); CREATE TABLE Council_Tax (council_tax_id number, cmi_cross_ref_id number); CREATE TABLE Business_Rates (business_rates_id number, cmi_cross_ref_id number); CREATE TABLE Benefits_Overpayments (council_tax_id number, cmi_cross_ref_id number); CREATE TABLE Parking_Fines (council_tax_id number, cmi_cross_ref_id number); CREATE TABLE Rent_Arrears (council_tax_id number, cmi_cross_ref_id number); CREATE TABLE Electoral_Register (electoral_register_id number, cmi_cross_ref_id number);
|
what are the details of the cmi masters that have the cross reference code 'Tax'?
|
SELECT T1.cmi_details FROM Customer_Master_Index AS T1 JOIN CMI_Cross_References AS T2 ON T1.master_customer_id = T2.master_customer_id WHERE T2.source_system_code = 'Tax'
|
medium
|
CREATE TABLE Customer_Master_Index (master_customer_id number, cmi_details text); CREATE TABLE CMI_Cross_References (cmi_cross_ref_id number, master_customer_id number, source_system_code text); CREATE TABLE Council_Tax (council_tax_id number, cmi_cross_ref_id number); CREATE TABLE Business_Rates (business_rates_id number, cmi_cross_ref_id number); CREATE TABLE Benefits_Overpayments (council_tax_id number, cmi_cross_ref_id number); CREATE TABLE Parking_Fines (council_tax_id number, cmi_cross_ref_id number); CREATE TABLE Rent_Arrears (council_tax_id number, cmi_cross_ref_id number); CREATE TABLE Electoral_Register (electoral_register_id number, cmi_cross_ref_id number);
|
What is the cmi cross reference id that is related to at least one council tax entry? List the cross reference id and source system code.
|
SELECT T1.cmi_cross_ref_id , T1.source_system_code FROM CMI_Cross_References AS T1 JOIN Council_Tax AS T2 ON T1.cmi_cross_ref_id = T2.cmi_cross_ref_id GROUP BY T1.cmi_cross_ref_id HAVING count(*) >= 1
|
medium
|
CREATE TABLE Customer_Master_Index (master_customer_id number, cmi_details text); CREATE TABLE CMI_Cross_References (cmi_cross_ref_id number, master_customer_id number, source_system_code text); CREATE TABLE Council_Tax (council_tax_id number, cmi_cross_ref_id number); CREATE TABLE Business_Rates (business_rates_id number, cmi_cross_ref_id number); CREATE TABLE Benefits_Overpayments (council_tax_id number, cmi_cross_ref_id number); CREATE TABLE Parking_Fines (council_tax_id number, cmi_cross_ref_id number); CREATE TABLE Rent_Arrears (council_tax_id number, cmi_cross_ref_id number); CREATE TABLE Electoral_Register (electoral_register_id number, cmi_cross_ref_id number);
|
How many business rates are related to each cmi cross reference? List cross reference id, master customer id and the n
|
SELECT T2.cmi_cross_ref_id , T2.master_customer_id , count(*) FROM Business_Rates AS T1 JOIN CMI_Cross_References AS T2 ON T1.cmi_cross_ref_id = T2.cmi_cross_ref_id GROUP BY T2.cmi_cross_ref_id
|
medium
|
CREATE TABLE Customer_Master_Index (master_customer_id number, cmi_details text); CREATE TABLE CMI_Cross_References (cmi_cross_ref_id number, master_customer_id number, source_system_code text); CREATE TABLE Council_Tax (council_tax_id number, cmi_cross_ref_id number); CREATE TABLE Business_Rates (business_rates_id number, cmi_cross_ref_id number); CREATE TABLE Benefits_Overpayments (council_tax_id number, cmi_cross_ref_id number); CREATE TABLE Parking_Fines (council_tax_id number, cmi_cross_ref_id number); CREATE TABLE Rent_Arrears (council_tax_id number, cmi_cross_ref_id number); CREATE TABLE Electoral_Register (electoral_register_id number, cmi_cross_ref_id number);
|
What is the tax source system code related to the benefits and overpayments? List the code and the benifit id, order by benifit id.
|
SELECT T1.source_system_code , T2.council_tax_id FROM CMI_Cross_References AS T1 JOIN Benefits_Overpayments AS T2 ON T1.cmi_cross_ref_id = T2.cmi_cross_ref_id ORDER BY T2.council_tax_id
|
medium
|
CREATE TABLE Customer_Master_Index (master_customer_id number, cmi_details text); CREATE TABLE CMI_Cross_References (cmi_cross_ref_id number, master_customer_id number, source_system_code text); CREATE TABLE Council_Tax (council_tax_id number, cmi_cross_ref_id number); CREATE TABLE Business_Rates (business_rates_id number, cmi_cross_ref_id number); CREATE TABLE Benefits_Overpayments (council_tax_id number, cmi_cross_ref_id number); CREATE TABLE Parking_Fines (council_tax_id number, cmi_cross_ref_id number); CREATE TABLE Rent_Arrears (council_tax_id number, cmi_cross_ref_id number); CREATE TABLE Electoral_Register (electoral_register_id number, cmi_cross_ref_id number);
|
Wat is the tax source system code and master customer id of the taxes related to each parking fine id?
|
SELECT T1.source_system_code , T1.master_customer_id , T2.council_tax_id FROM CMI_Cross_References AS T1 JOIN Parking_Fines AS T2 ON T1.cmi_cross_ref_id = T2.cmi_cross_ref_id
|
medium
|
CREATE TABLE Customer_Master_Index (master_customer_id number, cmi_details text); CREATE TABLE CMI_Cross_References (cmi_cross_ref_id number, master_customer_id number, source_system_code text); CREATE TABLE Council_Tax (council_tax_id number, cmi_cross_ref_id number); CREATE TABLE Business_Rates (business_rates_id number, cmi_cross_ref_id number); CREATE TABLE Benefits_Overpayments (council_tax_id number, cmi_cross_ref_id number); CREATE TABLE Parking_Fines (council_tax_id number, cmi_cross_ref_id number); CREATE TABLE Rent_Arrears (council_tax_id number, cmi_cross_ref_id number); CREATE TABLE Electoral_Register (electoral_register_id number, cmi_cross_ref_id number);
|
What are the renting arrears tax ids related to the customer master index whose detail is not 'Schmidt, Kertzmann and Lubowitz'?
|
SELECT T1.council_tax_id FROM Rent_Arrears AS T1 JOIN CMI_Cross_References AS T2 ON T1.cmi_cross_ref_id = T2.cmi_cross_ref_id JOIN Customer_Master_Index AS T3 ON T3.master_customer_id = T2.master_customer_id WHERE T3.cmi_details != 'Schmidt , Kertzmann and Lubowitz'
|
hard
|
CREATE TABLE Customer_Master_Index (master_customer_id number, cmi_details text); CREATE TABLE CMI_Cross_References (cmi_cross_ref_id number, master_customer_id number, source_system_code text); CREATE TABLE Council_Tax (council_tax_id number, cmi_cross_ref_id number); CREATE TABLE Business_Rates (business_rates_id number, cmi_cross_ref_id number); CREATE TABLE Benefits_Overpayments (council_tax_id number, cmi_cross_ref_id number); CREATE TABLE Parking_Fines (council_tax_id number, cmi_cross_ref_id number); CREATE TABLE Rent_Arrears (council_tax_id number, cmi_cross_ref_id number); CREATE TABLE Electoral_Register (electoral_register_id number, cmi_cross_ref_id number);
|
What are the register ids of electoral registries that have the cross reference source system code 'Electoral' or 'Tax'?
|
SELECT T1.electoral_register_id FROM Electoral_Register AS T1 JOIN CMI_Cross_References AS T2 ON T1.cmi_cross_ref_id = T2.cmi_cross_ref_id WHERE T2.source_system_code = 'Electoral' OR T2.source_system_code = 'Tax'
|
hard
|
CREATE TABLE Customer_Master_Index (master_customer_id number, cmi_details text); CREATE TABLE CMI_Cross_References (cmi_cross_ref_id number, master_customer_id number, source_system_code text); CREATE TABLE Council_Tax (council_tax_id number, cmi_cross_ref_id number); CREATE TABLE Business_Rates (business_rates_id number, cmi_cross_ref_id number); CREATE TABLE Benefits_Overpayments (council_tax_id number, cmi_cross_ref_id number); CREATE TABLE Parking_Fines (council_tax_id number, cmi_cross_ref_id number); CREATE TABLE Rent_Arrears (council_tax_id number, cmi_cross_ref_id number); CREATE TABLE Electoral_Register (electoral_register_id number, cmi_cross_ref_id number);
|
How many different source system code for the cmi cross references are there?
|
SELECT count(DISTINCT source_system_code) FROM CMI_cross_references
|
easy
|
CREATE TABLE Customer_Master_Index (master_customer_id number, cmi_details text); CREATE TABLE CMI_Cross_References (cmi_cross_ref_id number, master_customer_id number, source_system_code text); CREATE TABLE Council_Tax (council_tax_id number, cmi_cross_ref_id number); CREATE TABLE Business_Rates (business_rates_id number, cmi_cross_ref_id number); CREATE TABLE Benefits_Overpayments (council_tax_id number, cmi_cross_ref_id number); CREATE TABLE Parking_Fines (council_tax_id number, cmi_cross_ref_id number); CREATE TABLE Rent_Arrears (council_tax_id number, cmi_cross_ref_id number); CREATE TABLE Electoral_Register (electoral_register_id number, cmi_cross_ref_id number);
|
List all information about customer master index, and sort them by details in descending order.
|
SELECT * FROM customer_master_index ORDER BY cmi_details DESC
|
easy
|
CREATE TABLE Customer_Master_Index (master_customer_id number, cmi_details text); CREATE TABLE CMI_Cross_References (cmi_cross_ref_id number, master_customer_id number, source_system_code text); CREATE TABLE Council_Tax (council_tax_id number, cmi_cross_ref_id number); CREATE TABLE Business_Rates (business_rates_id number, cmi_cross_ref_id number); CREATE TABLE Benefits_Overpayments (council_tax_id number, cmi_cross_ref_id number); CREATE TABLE Parking_Fines (council_tax_id number, cmi_cross_ref_id number); CREATE TABLE Rent_Arrears (council_tax_id number, cmi_cross_ref_id number); CREATE TABLE Electoral_Register (electoral_register_id number, cmi_cross_ref_id number);
|
List the council tax ids and their related cmi cross references of all the parking fines.
|
SELECT council_tax_id , cmi_cross_ref_id FROM parking_fines
|
medium
|
CREATE TABLE Customer_Master_Index (master_customer_id number, cmi_details text); CREATE TABLE CMI_Cross_References (cmi_cross_ref_id number, master_customer_id number, source_system_code text); CREATE TABLE Council_Tax (council_tax_id number, cmi_cross_ref_id number); CREATE TABLE Business_Rates (business_rates_id number, cmi_cross_ref_id number); CREATE TABLE Benefits_Overpayments (council_tax_id number, cmi_cross_ref_id number); CREATE TABLE Parking_Fines (council_tax_id number, cmi_cross_ref_id number); CREATE TABLE Rent_Arrears (council_tax_id number, cmi_cross_ref_id number); CREATE TABLE Electoral_Register (electoral_register_id number, cmi_cross_ref_id number);
|
How many council taxes are collected for renting arrears ?
|
SELECT count(*) FROM rent_arrears
|
easy
|
CREATE TABLE Customer_Master_Index (master_customer_id number, cmi_details text); CREATE TABLE CMI_Cross_References (cmi_cross_ref_id number, master_customer_id number, source_system_code text); CREATE TABLE Council_Tax (council_tax_id number, cmi_cross_ref_id number); CREATE TABLE Business_Rates (business_rates_id number, cmi_cross_ref_id number); CREATE TABLE Benefits_Overpayments (council_tax_id number, cmi_cross_ref_id number); CREATE TABLE Parking_Fines (council_tax_id number, cmi_cross_ref_id number); CREATE TABLE Rent_Arrears (council_tax_id number, cmi_cross_ref_id number); CREATE TABLE Electoral_Register (electoral_register_id number, cmi_cross_ref_id number);
|
What are the distinct cross reference source system codes which are related to the master customer details 'Gottlieb, Becker and Wyman'?
|
SELECT DISTINCT T2.source_system_code FROM customer_master_index AS T1 JOIN cmi_cross_references AS T2 ON T1.master_customer_id = T2.master_customer_id WHERE T1.cmi_details = 'Gottlieb , Becker and Wyman'
|
medium
|
CREATE TABLE Customer_Master_Index (master_customer_id number, cmi_details text); CREATE TABLE CMI_Cross_References (cmi_cross_ref_id number, master_customer_id number, source_system_code text); CREATE TABLE Council_Tax (council_tax_id number, cmi_cross_ref_id number); CREATE TABLE Business_Rates (business_rates_id number, cmi_cross_ref_id number); CREATE TABLE Benefits_Overpayments (council_tax_id number, cmi_cross_ref_id number); CREATE TABLE Parking_Fines (council_tax_id number, cmi_cross_ref_id number); CREATE TABLE Rent_Arrears (council_tax_id number, cmi_cross_ref_id number); CREATE TABLE Electoral_Register (electoral_register_id number, cmi_cross_ref_id number);
|
Which cmi cross reference id is not related to any parking taxes?
|
SELECT cmi_cross_ref_id FROM cmi_cross_references EXCEPT SELECT cmi_cross_ref_id FROM parking_fines
|
hard
|
CREATE TABLE Customer_Master_Index (master_customer_id number, cmi_details text); CREATE TABLE CMI_Cross_References (cmi_cross_ref_id number, master_customer_id number, source_system_code text); CREATE TABLE Council_Tax (council_tax_id number, cmi_cross_ref_id number); CREATE TABLE Business_Rates (business_rates_id number, cmi_cross_ref_id number); CREATE TABLE Benefits_Overpayments (council_tax_id number, cmi_cross_ref_id number); CREATE TABLE Parking_Fines (council_tax_id number, cmi_cross_ref_id number); CREATE TABLE Rent_Arrears (council_tax_id number, cmi_cross_ref_id number); CREATE TABLE Electoral_Register (electoral_register_id number, cmi_cross_ref_id number);
|
Which distinct source system code includes the substring 'en'?
|
SELECT DISTINCT source_system_code FROM cmi_cross_references WHERE source_system_code LIKE '%en%'
|
medium
|
CREATE TABLE party (Party_ID number, Party_Theme text, Location text, First_year text, Last_year text, Number_of_hosts number); CREATE TABLE host (Host_ID number, Name text, Nationality text, Age text); CREATE TABLE party_host (Party_ID number, Host_ID number, Is_Main_in_Charge others);
|
How many parties are there?
|
SELECT count(*) FROM party
|
easy
|
CREATE TABLE party (Party_ID number, Party_Theme text, Location text, First_year text, Last_year text, Number_of_hosts number); CREATE TABLE host (Host_ID number, Name text, Nationality text, Age text); CREATE TABLE party_host (Party_ID number, Host_ID number, Is_Main_in_Charge others);
|
Count the number of parties.
|
SELECT count(*) FROM party
|
easy
|
CREATE TABLE party (Party_ID number, Party_Theme text, Location text, First_year text, Last_year text, Number_of_hosts number); CREATE TABLE host (Host_ID number, Name text, Nationality text, Age text); CREATE TABLE party_host (Party_ID number, Host_ID number, Is_Main_in_Charge others);
|
List the themes of parties in ascending order of number of hosts.
|
SELECT Party_Theme FROM party ORDER BY Number_of_hosts ASC
|
easy
|
CREATE TABLE party (Party_ID number, Party_Theme text, Location text, First_year text, Last_year text, Number_of_hosts number); CREATE TABLE host (Host_ID number, Name text, Nationality text, Age text); CREATE TABLE party_host (Party_ID number, Host_ID number, Is_Main_in_Charge others);
|
What are the themes of parties ordered by the number of hosts in ascending manner?
|
SELECT Party_Theme FROM party ORDER BY Number_of_hosts ASC
|
easy
|
CREATE TABLE party (Party_ID number, Party_Theme text, Location text, First_year text, Last_year text, Number_of_hosts number); CREATE TABLE host (Host_ID number, Name text, Nationality text, Age text); CREATE TABLE party_host (Party_ID number, Host_ID number, Is_Main_in_Charge others);
|
What are the themes and locations of parties?
|
SELECT Party_Theme , LOCATION FROM party
|
medium
|
CREATE TABLE party (Party_ID number, Party_Theme text, Location text, First_year text, Last_year text, Number_of_hosts number); CREATE TABLE host (Host_ID number, Name text, Nationality text, Age text); CREATE TABLE party_host (Party_ID number, Host_ID number, Is_Main_in_Charge others);
|
Give me the theme and location of each party.
|
SELECT Party_Theme , LOCATION FROM party
|
medium
|
CREATE TABLE party (Party_ID number, Party_Theme text, Location text, First_year text, Last_year text, Number_of_hosts number); CREATE TABLE host (Host_ID number, Name text, Nationality text, Age text); CREATE TABLE party_host (Party_ID number, Host_ID number, Is_Main_in_Charge others);
|
Show the first year and last year of parties with theme "Spring" or "Teqnology".
|
SELECT First_year , Last_year FROM party WHERE Party_Theme = "Spring" OR Party_Theme = "Teqnology"
|
extra
|
CREATE TABLE party (Party_ID number, Party_Theme text, Location text, First_year text, Last_year text, Number_of_hosts number); CREATE TABLE host (Host_ID number, Name text, Nationality text, Age text); CREATE TABLE party_host (Party_ID number, Host_ID number, Is_Main_in_Charge others);
|
What are the first year and last year of the parties whose theme is "Spring" or "Teqnology"?
|
SELECT First_year , Last_year FROM party WHERE Party_Theme = "Spring" OR Party_Theme = "Teqnology"
|
extra
|
CREATE TABLE party (Party_ID number, Party_Theme text, Location text, First_year text, Last_year text, Number_of_hosts number); CREATE TABLE host (Host_ID number, Name text, Nationality text, Age text); CREATE TABLE party_host (Party_ID number, Host_ID number, Is_Main_in_Charge others);
|
What is the average number of hosts for parties?
|
SELECT avg(Number_of_hosts) FROM party
|
easy
|
CREATE TABLE party (Party_ID number, Party_Theme text, Location text, First_year text, Last_year text, Number_of_hosts number); CREATE TABLE host (Host_ID number, Name text, Nationality text, Age text); CREATE TABLE party_host (Party_ID number, Host_ID number, Is_Main_in_Charge others);
|
Compute the average number of hosts for parties.
|
SELECT avg(Number_of_hosts) FROM party
|
easy
|
CREATE TABLE party (Party_ID number, Party_Theme text, Location text, First_year text, Last_year text, Number_of_hosts number); CREATE TABLE host (Host_ID number, Name text, Nationality text, Age text); CREATE TABLE party_host (Party_ID number, Host_ID number, Is_Main_in_Charge others);
|
What is the location of the party with the most hosts?
|
SELECT LOCATION FROM party ORDER BY Number_of_hosts DESC LIMIT 1
|
medium
|
CREATE TABLE party (Party_ID number, Party_Theme text, Location text, First_year text, Last_year text, Number_of_hosts number); CREATE TABLE host (Host_ID number, Name text, Nationality text, Age text); CREATE TABLE party_host (Party_ID number, Host_ID number, Is_Main_in_Charge others);
|
Which party had the most hosts? Give me the party location.
|
SELECT LOCATION FROM party ORDER BY Number_of_hosts DESC LIMIT 1
|
medium
|
CREATE TABLE party (Party_ID number, Party_Theme text, Location text, First_year text, Last_year text, Number_of_hosts number); CREATE TABLE host (Host_ID number, Name text, Nationality text, Age text); CREATE TABLE party_host (Party_ID number, Host_ID number, Is_Main_in_Charge others);
|
Show different nationalities along with the number of hosts of each nationality.
|
SELECT Nationality , COUNT(*) FROM HOST GROUP BY Nationality
|
medium
|
CREATE TABLE party (Party_ID number, Party_Theme text, Location text, First_year text, Last_year text, Number_of_hosts number); CREATE TABLE host (Host_ID number, Name text, Nationality text, Age text); CREATE TABLE party_host (Party_ID number, Host_ID number, Is_Main_in_Charge others);
|
How many hosts does each nationality have? List the nationality and the count.
|
SELECT Nationality , COUNT(*) FROM HOST GROUP BY Nationality
|
medium
|
CREATE TABLE party (Party_ID number, Party_Theme text, Location text, First_year text, Last_year text, Number_of_hosts number); CREATE TABLE host (Host_ID number, Name text, Nationality text, Age text); CREATE TABLE party_host (Party_ID number, Host_ID number, Is_Main_in_Charge others);
|
Show the most common nationality of hosts.
|
SELECT Nationality FROM HOST GROUP BY Nationality ORDER BY COUNT(*) DESC LIMIT 1
|
hard
|
CREATE TABLE party (Party_ID number, Party_Theme text, Location text, First_year text, Last_year text, Number_of_hosts number); CREATE TABLE host (Host_ID number, Name text, Nationality text, Age text); CREATE TABLE party_host (Party_ID number, Host_ID number, Is_Main_in_Charge others);
|
Which nationality has the most hosts?
|
SELECT Nationality FROM HOST GROUP BY Nationality ORDER BY COUNT(*) DESC LIMIT 1
|
hard
|
CREATE TABLE party (Party_ID number, Party_Theme text, Location text, First_year text, Last_year text, Number_of_hosts number); CREATE TABLE host (Host_ID number, Name text, Nationality text, Age text); CREATE TABLE party_host (Party_ID number, Host_ID number, Is_Main_in_Charge others);
|
Show the nations that have both hosts older than 45 and hosts younger than 35.
|
SELECT Nationality FROM HOST WHERE Age > 45 INTERSECT SELECT Nationality FROM HOST WHERE Age < 35
|
hard
|
CREATE TABLE party (Party_ID number, Party_Theme text, Location text, First_year text, Last_year text, Number_of_hosts number); CREATE TABLE host (Host_ID number, Name text, Nationality text, Age text); CREATE TABLE party_host (Party_ID number, Host_ID number, Is_Main_in_Charge others);
|
Which nations have both hosts of age above 45 and hosts of age below 35?
|
SELECT Nationality FROM HOST WHERE Age > 45 INTERSECT SELECT Nationality FROM HOST WHERE Age < 35
|
hard
|
CREATE TABLE party (Party_ID number, Party_Theme text, Location text, First_year text, Last_year text, Number_of_hosts number); CREATE TABLE host (Host_ID number, Name text, Nationality text, Age text); CREATE TABLE party_host (Party_ID number, Host_ID number, Is_Main_in_Charge others);
|
Show the themes of parties and the names of the party hosts.
|
SELECT T3.Party_Theme , T2.Name FROM party_host AS T1 JOIN HOST AS T2 ON T1.Host_ID = T2.Host_ID JOIN party AS T3 ON T1.Party_ID = T3.Party_ID
|
medium
|
CREATE TABLE party (Party_ID number, Party_Theme text, Location text, First_year text, Last_year text, Number_of_hosts number); CREATE TABLE host (Host_ID number, Name text, Nationality text, Age text); CREATE TABLE party_host (Party_ID number, Host_ID number, Is_Main_in_Charge others);
|
For each party, return its theme and the name of its host.
|
SELECT T3.Party_Theme , T2.Name FROM party_host AS T1 JOIN HOST AS T2 ON T1.Host_ID = T2.Host_ID JOIN party AS T3 ON T1.Party_ID = T3.Party_ID
|
medium
|
CREATE TABLE party (Party_ID number, Party_Theme text, Location text, First_year text, Last_year text, Number_of_hosts number); CREATE TABLE host (Host_ID number, Name text, Nationality text, Age text); CREATE TABLE party_host (Party_ID number, Host_ID number, Is_Main_in_Charge others);
|
Show the locations of parties and the names of the party hosts in ascending order of the age of the host.
|
SELECT T3.Location , T2.Name FROM party_host AS T1 JOIN HOST AS T2 ON T1.Host_ID = T2.Host_ID JOIN party AS T3 ON T1.Party_ID = T3.Party_ID ORDER BY T2.Age
|
hard
|
CREATE TABLE party (Party_ID number, Party_Theme text, Location text, First_year text, Last_year text, Number_of_hosts number); CREATE TABLE host (Host_ID number, Name text, Nationality text, Age text); CREATE TABLE party_host (Party_ID number, Host_ID number, Is_Main_in_Charge others);
|
For each party, find its location and the name of its host. Sort the result in ascending order of the age of the host.
|
SELECT T3.Location , T2.Name FROM party_host AS T1 JOIN HOST AS T2 ON T1.Host_ID = T2.Host_ID JOIN party AS T3 ON T1.Party_ID = T3.Party_ID ORDER BY T2.Age
|
hard
|
CREATE TABLE party (Party_ID number, Party_Theme text, Location text, First_year text, Last_year text, Number_of_hosts number); CREATE TABLE host (Host_ID number, Name text, Nationality text, Age text); CREATE TABLE party_host (Party_ID number, Host_ID number, Is_Main_in_Charge others);
|
Show the locations of parties with hosts older than 50.
|
SELECT T3.Location FROM party_host AS T1 JOIN HOST AS T2 ON T1.Host_ID = T2.Host_ID JOIN party AS T3 ON T1.Party_ID = T3.Party_ID WHERE T2.Age > 50
|
hard
|
CREATE TABLE party (Party_ID number, Party_Theme text, Location text, First_year text, Last_year text, Number_of_hosts number); CREATE TABLE host (Host_ID number, Name text, Nationality text, Age text); CREATE TABLE party_host (Party_ID number, Host_ID number, Is_Main_in_Charge others);
|
Which parties have hosts of age above 50? Give me the party locations.
|
SELECT T3.Location FROM party_host AS T1 JOIN HOST AS T2 ON T1.Host_ID = T2.Host_ID JOIN party AS T3 ON T1.Party_ID = T3.Party_ID WHERE T2.Age > 50
|
hard
|
CREATE TABLE party (Party_ID number, Party_Theme text, Location text, First_year text, Last_year text, Number_of_hosts number); CREATE TABLE host (Host_ID number, Name text, Nationality text, Age text); CREATE TABLE party_host (Party_ID number, Host_ID number, Is_Main_in_Charge others);
|
Show the host names for parties with number of hosts greater than 20.
|
SELECT T2.Name FROM party_host AS T1 JOIN HOST AS T2 ON T1.Host_ID = T2.Host_ID JOIN party AS T3 ON T1.Party_ID = T3.Party_ID WHERE T3.Number_of_hosts > 20
|
hard
|
CREATE TABLE party (Party_ID number, Party_Theme text, Location text, First_year text, Last_year text, Number_of_hosts number); CREATE TABLE host (Host_ID number, Name text, Nationality text, Age text); CREATE TABLE party_host (Party_ID number, Host_ID number, Is_Main_in_Charge others);
|
Which parties have more than 20 hosts? Give me the host names for these parties.
|
SELECT T2.Name FROM party_host AS T1 JOIN HOST AS T2 ON T1.Host_ID = T2.Host_ID JOIN party AS T3 ON T1.Party_ID = T3.Party_ID WHERE T3.Number_of_hosts > 20
|
hard
|
CREATE TABLE party (Party_ID number, Party_Theme text, Location text, First_year text, Last_year text, Number_of_hosts number); CREATE TABLE host (Host_ID number, Name text, Nationality text, Age text); CREATE TABLE party_host (Party_ID number, Host_ID number, Is_Main_in_Charge others);
|
Show the name and the nationality of the oldest host.
|
SELECT Name , Nationality FROM HOST ORDER BY Age DESC LIMIT 1
|
medium
|
CREATE TABLE party (Party_ID number, Party_Theme text, Location text, First_year text, Last_year text, Number_of_hosts number); CREATE TABLE host (Host_ID number, Name text, Nationality text, Age text); CREATE TABLE party_host (Party_ID number, Host_ID number, Is_Main_in_Charge others);
|
What are the name and the nationality of the host of the highest age?
|
SELECT Name , Nationality FROM HOST ORDER BY Age DESC LIMIT 1
|
medium
|
CREATE TABLE party (Party_ID number, Party_Theme text, Location text, First_year text, Last_year text, Number_of_hosts number); CREATE TABLE host (Host_ID number, Name text, Nationality text, Age text); CREATE TABLE party_host (Party_ID number, Host_ID number, Is_Main_in_Charge others);
|
List the names of hosts who did not serve as a host of any party in our record.
|
SELECT Name FROM HOST WHERE Host_ID NOT IN (SELECT Host_ID FROM party_host)
|
hard
|
CREATE TABLE party (Party_ID number, Party_Theme text, Location text, First_year text, Last_year text, Number_of_hosts number); CREATE TABLE host (Host_ID number, Name text, Nationality text, Age text); CREATE TABLE party_host (Party_ID number, Host_ID number, Is_Main_in_Charge others);
|
What are the names of hosts who did not host any party in our record?
|
SELECT Name FROM HOST WHERE Host_ID NOT IN (SELECT Host_ID FROM party_host)
|
hard
|
CREATE TABLE storm (Storm_ID number, Name text, Dates_active text, Max_speed number, Damage_millions_USD number, Number_Deaths number); CREATE TABLE region (Region_id number, Region_code text, Region_name text); CREATE TABLE affected_region (Region_id number, Storm_ID number, Number_city_affected number);
|
How many regions do we have?
|
SELECT count(*) FROM region
|
easy
|
CREATE TABLE storm (Storm_ID number, Name text, Dates_active text, Max_speed number, Damage_millions_USD number, Number_Deaths number); CREATE TABLE region (Region_id number, Region_code text, Region_name text); CREATE TABLE affected_region (Region_id number, Storm_ID number, Number_city_affected number);
|
Count the number of regions.
|
SELECT count(*) FROM region
|
easy
|
CREATE TABLE storm (Storm_ID number, Name text, Dates_active text, Max_speed number, Damage_millions_USD number, Number_Deaths number); CREATE TABLE region (Region_id number, Region_code text, Region_name text); CREATE TABLE affected_region (Region_id number, Storm_ID number, Number_city_affected number);
|
Show all region code and region name sorted by the codes.
|
SELECT region_code , region_name FROM region ORDER BY region_code
|
medium
|
CREATE TABLE storm (Storm_ID number, Name text, Dates_active text, Max_speed number, Damage_millions_USD number, Number_Deaths number); CREATE TABLE region (Region_id number, Region_code text, Region_name text); CREATE TABLE affected_region (Region_id number, Storm_ID number, Number_city_affected number);
|
What are the codes and names for all regions, sorted by codes?
|
SELECT region_code , region_name FROM region ORDER BY region_code
|
medium
|
CREATE TABLE storm (Storm_ID number, Name text, Dates_active text, Max_speed number, Damage_millions_USD number, Number_Deaths number); CREATE TABLE region (Region_id number, Region_code text, Region_name text); CREATE TABLE affected_region (Region_id number, Storm_ID number, Number_city_affected number);
|
List all region names in alphabetical order.
|
SELECT region_name FROM region ORDER BY region_name
|
easy
|
CREATE TABLE storm (Storm_ID number, Name text, Dates_active text, Max_speed number, Damage_millions_USD number, Number_Deaths number); CREATE TABLE region (Region_id number, Region_code text, Region_name text); CREATE TABLE affected_region (Region_id number, Storm_ID number, Number_city_affected number);
|
What are the names of the regions in alphabetical order?
|
SELECT region_name FROM region ORDER BY region_name
|
easy
|
CREATE TABLE storm (Storm_ID number, Name text, Dates_active text, Max_speed number, Damage_millions_USD number, Number_Deaths number); CREATE TABLE region (Region_id number, Region_code text, Region_name text); CREATE TABLE affected_region (Region_id number, Storm_ID number, Number_city_affected number);
|
Show names for all regions except for Denmark.
|
SELECT region_name FROM region WHERE region_name != 'Denmark'
|
easy
|
CREATE TABLE storm (Storm_ID number, Name text, Dates_active text, Max_speed number, Damage_millions_USD number, Number_Deaths number); CREATE TABLE region (Region_id number, Region_code text, Region_name text); CREATE TABLE affected_region (Region_id number, Storm_ID number, Number_city_affected number);
|
Return the names of all regions other than Denmark.
|
SELECT region_name FROM region WHERE region_name != 'Denmark'
|
easy
|
CREATE TABLE storm (Storm_ID number, Name text, Dates_active text, Max_speed number, Damage_millions_USD number, Number_Deaths number); CREATE TABLE region (Region_id number, Region_code text, Region_name text); CREATE TABLE affected_region (Region_id number, Storm_ID number, Number_city_affected number);
|
How many storms had death records?
|
SELECT count(*) FROM storm WHERE Number_Deaths > 0
|
easy
|
CREATE TABLE storm (Storm_ID number, Name text, Dates_active text, Max_speed number, Damage_millions_USD number, Number_Deaths number); CREATE TABLE region (Region_id number, Region_code text, Region_name text); CREATE TABLE affected_region (Region_id number, Storm_ID number, Number_city_affected number);
|
Count the number of storms in which at least 1 person died.
|
SELECT count(*) FROM storm WHERE Number_Deaths > 0
|
easy
|
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