micpst/bird-dev · Datasets at Hugging Face

question_id stringlengths 1 4	db_id stringclasses 11 values	question stringlengths 23 286	evidence stringlengths 0 591	sql stringlengths 29 1.45k	difficulty stringclasses 3 values
1500	debit_card_specializing	Please list the product description of the products consumed in September, 2013.	September 2013 refers to 201309; The first 4 strings of the Date values in the yearmonth table can represent year; The 5th and 6th string of the date can refer to month.	SELECT T3.Description FROM transactions_1k AS T1 INNER JOIN yearmonth AS T2 ON T1.CustomerID = T2.CustomerID INNER JOIN products AS T3 ON T1.ProductID = T3.ProductID WHERE T2.Date = '201309'	simple
1501	debit_card_specializing	Please list the countries of the gas stations with transactions taken place in June, 2013.	June 2013 refers to '201306'; The first 4 strings of the Date values in the yearmonth table can represent year; The 5th and 6th string of the date can refer to month;	SELECT DISTINCT T2.Country FROM transactions_1k AS T1 INNER JOIN gasstations AS T2 ON T1.GasStationID = T2.GasStationID INNER JOIN yearmonth AS T3 ON T1.CustomerID = T3.CustomerID WHERE T3.Date = '201306'	moderate
1502	debit_card_specializing	Please list the chains of the gas stations with transactions in euro.		SELECT DISTINCT T3.ChainID FROM transactions_1k AS T1 INNER JOIN customers AS T2 ON T1.CustomerID = T2.CustomerID INNER JOIN gasstations AS T3 ON T1.GasStationID = T3.GasStationID WHERE T2.Currency = 'EUR'	simple
1503	debit_card_specializing	Please list the product description of the products bought in transactions in euro.		SELECT DISTINCT T1.ProductID, T3.Description FROM transactions_1k AS T1 INNER JOIN customers AS T2 ON T1.CustomerID = T2.CustomerID INNER JOIN products AS T3 ON T1.ProductID = T3.ProductID WHERE T2.Currency = 'EUR'	simple
1504	debit_card_specializing	What is the average total price of the transactions taken place in January, 2012?	In January, 2012 means Date contains '2012-01'	SELECT AVG(Amount) FROM transactions_1k WHERE Date LIKE '2012-01%'	simple
1505	debit_card_specializing	Among the customers who paid in euro, how many of them have a monthly consumption of over 1000?	Pays in euro = Currency = 'EUR'.	SELECT COUNT(*) FROM yearmonth AS T1 INNER JOIN customers AS T2 ON T1.CustomerID = T2.CustomerID WHERE T2.Currency = 'EUR' AND T1.Consumption > 1000.00	simple
1506	debit_card_specializing	Please list the product descriptions of the transactions taken place in the gas stations in the Czech Republic.	Czech Republic can be represented as the Country value in the gasstations table is 'CZE';	SELECT DISTINCT T3.Description FROM transactions_1k AS T1 INNER JOIN gasstations AS T2 ON T1.GasStationID = T2.GasStationID INNER JOIN products AS T3 ON T1.ProductID = T3.ProductID WHERE T2.Country = 'CZE'	moderate
1507	debit_card_specializing	Please list the disparate time of the transactions taken place in the gas stations from chain no. 11.		SELECT DISTINCT T1.Time FROM transactions_1k AS T1 INNER JOIN gasstations AS T2 ON T1.GasStationID = T2.GasStationID WHERE T2.ChainID = 11	simple
1508	debit_card_specializing	How many transactions taken place in the gas station in the Czech Republic are with a price of over 1000?	Gas station in the Czech Republic implies that Country = 'CZE'	SELECT COUNT(T1.TransactionID) FROM transactions_1k AS T1 INNER JOIN gasstations AS T2 ON T1.GasStationID = T2.GasStationID WHERE T2.Country = 'CZE' AND T1.Price > 1000	simple
1509	debit_card_specializing	Among the transactions made in the gas stations in the Czech Republic, how many of them are taken place after 2012/1/1?	Czech Republic can be represented as the Country value in the gasstations table is 'CZE'	SELECT COUNT(T1.TransactionID) FROM transactions_1k AS T1 INNER JOIN gasstations AS T2 ON T1.GasStationID = T2.GasStationID WHERE T2.Country = 'CZE' AND STRFTIME('%Y', T1.Date) >= '2012'	moderate
1510	debit_card_specializing	What is the average total price of the transactions taken place in gas stations in the Czech Republic?	Gas station in the Czech Republic implies that Country = 'CZE'	SELECT AVG(T1.Price) FROM transactions_1k AS T1 INNER JOIN gasstations AS T2 ON T1.GasStationID = T2.GasStationID WHERE T2.Country = 'CZE'	simple
1511	debit_card_specializing	For the customers who paid in the euro, what is their average total price of the transactions?		SELECT AVG(T1.Price) FROM transactions_1k AS T1 INNER JOIN gasstations AS T2 ON T1.GasStationID = T2.GasStationID INNER JOIN customers AS T3 ON T1.CustomerID = T3.CustomerID WHERE T3.Currency = 'EUR'	simple
1512	debit_card_specializing	Which customer paid the most in 2012/8/25?	'2012/8/25' can be represented by '2012-08-25'	SELECT CustomerID FROM transactions_1k WHERE Date = '2012-08-25' GROUP BY CustomerID ORDER BY SUM(Price) DESC LIMIT 1	simple
1513	debit_card_specializing	Which country's gas station had the first paid cusomer in 2012/8/25?	'2012/8/25' can be represented by '2012-08-25'	SELECT T2.Country FROM transactions_1k AS T1 INNER JOIN gasstations AS T2 ON T1.GasStationID = T2.GasStationID WHERE T1.Date = '2012-08-25' ORDER BY T1.Time DESC LIMIT 1	simple
1514	debit_card_specializing	What kind of currency did the customer paid at 16:25:00 in 2012/8/24?	'2012/8/24' can be represented by '2012-08-24';	SELECT DISTINCT T3.Currency FROM transactions_1k AS T1 INNER JOIN gasstations AS T2 ON T1.GasStationID = T2.GasStationID INNER JOIN customers AS T3 ON T1.CustomerID = T3.CustomerID WHERE T1.Date = '2012-08-24' AND T1.Time = '16:25:00'	simple
1515	debit_card_specializing	What segment did the customer have at 2012/8/23 21:20:00?	'2012/8/23' can be represented by '2012-08-23'	SELECT T2.Segment FROM transactions_1k AS T1 INNER JOIN customers AS T2 ON T1.CustomerID = T2.CustomerID WHERE T1.date = '2012-08-23' AND T1.time = '21:20:00'	simple
1516	debit_card_specializing	How many transactions were paid in CZK in the morning of 2012/8/26?	'2012/8/26' can be represented by '2012-08-26'; The morning refers to the time before '13:00:00'	SELECT COUNT(T1.TransactionID) FROM transactions_1k AS T1 INNER JOIN customers AS T2 ON T1.CustomerID = T2.CustomerID WHERE T1.Date = '2012-08-26' AND T1.Time < '13:00:00' AND T2.Currency = 'CZK'	moderate
1517	debit_card_specializing	For the earliest customer, what segment did he/she have?		SELECT T2.Segment FROM transactions_1k AS T1 INNER JOIN customers AS T2 ON T1.CustomerID = T2.CustomerID ORDER BY Date ASC LIMIT 1	simple
1518	debit_card_specializing	For the deal happened at 2012/8/24 12:42:00, which country was it?	'2012/8/24 12:42:00' can refer to date = '2012-08-24' AND T1.time = '12:42:00' in the database	SELECT T2.Country FROM transactions_1k AS T1 INNER JOIN gasstations AS T2 ON T1.GasStationID = T2.GasStationID WHERE T1.Date = '2012-08-24' AND T1.Time = '12:42:00'	simple
1519	debit_card_specializing	What was the product id of the transaction happened at 2012/8/23 21:20:00?	'2012/8/23 21:20:00' can refer to date = '2012-08-23' AND T1.time = '21:20:00' in the database	SELECT T1.ProductID FROM transactions_1k AS T1 INNER JOIN gasstations AS T2 ON T1.GasStationID = T2.GasStationID WHERE T1.Date = '2012-08-23' AND T1.Time = '21:20:00'	simple
1520	debit_card_specializing	For the customer who paid 124.05 in 2012/8/24, how much did he/she spend during the January of 2012? And what is the date and expenses exactly?	'2012/8/24' can be represented by '2012-08-24'; expense and the consumption has the similar meaning.	SELECT T1.CustomerID, T2.Date, T2.Consumption FROM transactions_1k AS T1 INNER JOIN yearmonth AS T2 ON T1.CustomerID = T2.CustomerID WHERE T1.Date = '2012-08-24' AND T1.Price = 124.05 AND T2.Date = '201201'	moderate
1521	debit_card_specializing	For all the transactions happened during 8:00-9:00 in 2012/8/26, how many happened in CZE?	Czech Republic can be represented as the Country value in the gasstations table is 'CZE'; '2012/8/26' can be represented by '2012-08-26'; during 8:00-9:00 can be represented as Time BETWEEN '08:00:00' AND '09:00:00'	SELECT COUNT(T1.TransactionID) FROM transactions_1k AS T1 INNER JOIN gasstations AS T2 ON T1.GasStationID = T2.GasStationID WHERE T1.Date = '2012-08-26' AND T1.Time BETWEEN '08:00:00' AND '09:00:00' AND T2.Country = 'CZE'	moderate
1522	debit_card_specializing	There's one customer spent 214582.17 in the June of 2013, which currency did he/she use?	June of 2013 means Date contains '201306' in the yearmonth.date of the database	SELECT T2.Currency FROM yearmonth AS T1 INNER JOIN customers AS T2 ON T1.CustomerID = T2.CustomerID WHERE T1.Date = '201306' AND T1.Consumption = 214582.17	simple
1523	debit_card_specializing	Which country was the card owner of No.667467 in?		SELECT T2.Country FROM transactions_1k AS T1 INNER JOIN gasstations AS T2 ON T1.GasStationID = T2.GasStationID WHERE T1.CardID = '667467'	simple
1524	debit_card_specializing	What's the nationality of the customer who spent 548.4 in 2012/8/24?	'2012/8/24' can be represented by '2012-08-24'	SELECT T2.Country FROM transactions_1k AS T1 INNER JOIN gasstations AS T2 ON T1.GasStationID = T2.GasStationID WHERE T1.Date = '2012-08-24' AND T1.Price = 548.4	simple
1525	debit_card_specializing	What is the percentage of the customers who used EUR in 2012/8/25?	'2012/8/25' can be represented by '2012-08-25'	SELECT CAST(SUM(IIF(T2.Currency = 'EUR', 1, 0)) AS FLOAT) * 100 / COUNT(T1.CustomerID) FROM transactions_1k AS T1 INNER JOIN customers AS T2 ON T1.CustomerID = T2.CustomerID WHERE T1.Date = '2012-08-25'	simple
1526	debit_card_specializing	For the customer who paid 634.8 in 2012/8/25, what was the consumption decrease rate from Year 2012 to 2013?	'2012/8/24' can be represented by '2012-08-24'; Consumption decrease rate = (consumption_2012 - consumption_2013) / consumption_2012	SELECT CAST(SUM(IIF(SUBSTR(Date, 1, 4) = '2012', Consumption, 0)) - SUM(IIF(SUBSTR(Date, 1, 4) = '2013', Consumption, 0)) AS FLOAT) / SUM(IIF(SUBSTR(Date, 1, 4) = '2012', Consumption, 0)) FROM yearmonth WHERE CustomerID = ( SELECT T1.CustomerID FROM transactions_1k AS T1 INNER JOIN gasstations AS T2 ON T1.GasStationID = T2.GasStationID WHERE T1.Date = '2012-08-25' AND T1.Price = 634.8 )	challenging
1527	debit_card_specializing	Which gas station has the highest amount of revenue?		SELECT GasStationID FROM transactions_1k GROUP BY GasStationID ORDER BY SUM(Price) DESC LIMIT 1	simple
1528	debit_card_specializing	What is the percentage of "premium" against the overall segment in Country = "SVK"?		SELECT CAST(SUM(IIF(Country = 'SVK' AND Segment = 'Premium', 1, 0)) AS FLOAT) * 100 / SUM(IIF(Country = 'SVK', 1, 0)) FROM gasstations	simple
1529	debit_card_specializing	What is the amount spent by customer "38508" at the gas stations? How much had the customer spent in January 2012?	January 2012 refers to the Date value = '201201'	SELECT SUM(T1.Price) , SUM(IIF(T3.Date = '201201', T1.Price, 0)) FROM transactions_1k AS T1 INNER JOIN gasstations AS T2 ON T1.GasStationID = T2.GasStationID INNER JOIN yearmonth AS T3 ON T1.CustomerID = T3.CustomerID WHERE T1.CustomerID = '38508'	moderate
1530	debit_card_specializing	Which are the top five best selling products? Please state the full name of them.	Description of products contains full name	SELECT T2.Description FROM transactions_1k AS T1 INNER JOIN products AS T2 ON T1.ProductID = T2.ProductID ORDER BY T1.Amount DESC LIMIT 5	simple
1531	debit_card_specializing	Who is the top spending customer and how much is the average price per single item purchased by this customer? What currency was being used?	average price per single item = Total(price) / Total(amount)	SELECT T2.CustomerID, SUM(T2.Price / T2.Amount), T1.Currency FROM customers AS T1 INNER JOIN transactions_1k AS T2 ON T1.CustomerID = T2.CustomerID WHERE T2.CustomerID = ( SELECT CustomerID FROM yearmonth ORDER BY Consumption DESC LIMIT 1 ) GROUP BY T2.CustomerID, T1.Currency	moderate
1532	debit_card_specializing	Which country had the gas station that sold the most expensive product id No.2 for one unit?		SELECT T2.Country FROM transactions_1k AS T1 INNER JOIN gasstations AS T2 ON T1.GasStationID = T2.GasStationID WHERE T1.ProductID = 2 ORDER BY T1.Price DESC LIMIT 1	simple
1533	debit_card_specializing	For all the people who paid more than 29.00 per unit of product id No.5. Give their consumption status in the August of 2012.	August of 2012 refers to the Date value = '201208' ; Price per unit of product = Price / Amount;	SELECT T2.Consumption FROM transactions_1k AS T1 INNER JOIN yearmonth AS T2 ON T1.CustomerID = T2.CustomerID WHERE T1.Price / T1.Amount > 29.00 AND T1.ProductID = 5 AND T2.Date = '201208'	moderate

1500

debit_card_specializing

Please list the product description of the products consumed in September, 2013.

September 2013 refers to 201309; The first 4 strings of the Date values in the yearmonth table can represent year; The 5th and 6th string of the date can refer to month.

SELECT T3.Description FROM transactions_1k AS T1 INNER JOIN yearmonth AS T2 ON T1.CustomerID = T2.CustomerID INNER JOIN products AS T3 ON T1.ProductID = T3.ProductID WHERE T2.Date = '201309'

simple

1501

debit_card_specializing

Please list the countries of the gas stations with transactions taken place in June, 2013.

June 2013 refers to '201306'; The first 4 strings of the Date values in the yearmonth table can represent year; The 5th and 6th string of the date can refer to month;

SELECT DISTINCT T2.Country FROM transactions_1k AS T1 INNER JOIN gasstations AS T2 ON T1.GasStationID = T2.GasStationID INNER JOIN yearmonth AS T3 ON T1.CustomerID = T3.CustomerID WHERE T3.Date = '201306'

moderate

1502

debit_card_specializing

Please list the chains of the gas stations with transactions in euro.

SELECT DISTINCT T3.ChainID FROM transactions_1k AS T1 INNER JOIN customers AS T2 ON T1.CustomerID = T2.CustomerID INNER JOIN gasstations AS T3 ON T1.GasStationID = T3.GasStationID WHERE T2.Currency = 'EUR'

simple

1503

debit_card_specializing

Please list the product description of the products bought in transactions in euro.

SELECT DISTINCT T1.ProductID, T3.Description FROM transactions_1k AS T1 INNER JOIN customers AS T2 ON T1.CustomerID = T2.CustomerID INNER JOIN products AS T3 ON T1.ProductID = T3.ProductID WHERE T2.Currency = 'EUR'

simple

1504

debit_card_specializing

What is the average total price of the transactions taken place in January, 2012?

In January, 2012 means Date contains '2012-01'

SELECT AVG(Amount) FROM transactions_1k WHERE Date LIKE '2012-01%'

simple

1505

debit_card_specializing

Among the customers who paid in euro, how many of them have a monthly consumption of over 1000?

Pays in euro = Currency = 'EUR'.

SELECT COUNT(*) FROM yearmonth AS T1 INNER JOIN customers AS T2 ON T1.CustomerID = T2.CustomerID WHERE T2.Currency = 'EUR' AND T1.Consumption > 1000.00

simple

1506

debit_card_specializing

Please list the product descriptions of the transactions taken place in the gas stations in the Czech Republic.

Czech Republic can be represented as the Country value in the gasstations table is 'CZE';

SELECT DISTINCT T3.Description FROM transactions_1k AS T1 INNER JOIN gasstations AS T2 ON T1.GasStationID = T2.GasStationID INNER JOIN products AS T3 ON T1.ProductID = T3.ProductID WHERE T2.Country = 'CZE'

moderate

1507

debit_card_specializing

Please list the disparate time of the transactions taken place in the gas stations from chain no. 11.

SELECT DISTINCT T1.Time FROM transactions_1k AS T1 INNER JOIN gasstations AS T2 ON T1.GasStationID = T2.GasStationID WHERE T2.ChainID = 11

simple

1508

debit_card_specializing

How many transactions taken place in the gas station in the Czech Republic are with a price of over 1000?

Gas station in the Czech Republic implies that Country = 'CZE'

SELECT COUNT(T1.TransactionID) FROM transactions_1k AS T1 INNER JOIN gasstations AS T2 ON T1.GasStationID = T2.GasStationID WHERE T2.Country = 'CZE' AND T1.Price > 1000

simple

1509

debit_card_specializing

Among the transactions made in the gas stations in the Czech Republic, how many of them are taken place after 2012/1/1?

Czech Republic can be represented as the Country value in the gasstations table is 'CZE'

SELECT COUNT(T1.TransactionID) FROM transactions_1k AS T1 INNER JOIN gasstations AS T2 ON T1.GasStationID = T2.GasStationID WHERE T2.Country = 'CZE' AND STRFTIME('%Y', T1.Date) >= '2012'

moderate

1510

debit_card_specializing

What is the average total price of the transactions taken place in gas stations in the Czech Republic?

Gas station in the Czech Republic implies that Country = 'CZE'

SELECT AVG(T1.Price) FROM transactions_1k AS T1 INNER JOIN gasstations AS T2 ON T1.GasStationID = T2.GasStationID WHERE T2.Country = 'CZE'

simple

1511

debit_card_specializing

For the customers who paid in the euro, what is their average total price of the transactions?

SELECT AVG(T1.Price) FROM transactions_1k AS T1 INNER JOIN gasstations AS T2 ON T1.GasStationID = T2.GasStationID INNER JOIN customers AS T3 ON T1.CustomerID = T3.CustomerID WHERE T3.Currency = 'EUR'

simple

1512

debit_card_specializing

Which customer paid the most in 2012/8/25?

'2012/8/25' can be represented by '2012-08-25'

SELECT CustomerID FROM transactions_1k WHERE Date = '2012-08-25' GROUP BY CustomerID ORDER BY SUM(Price) DESC LIMIT 1

simple

1513

debit_card_specializing

Which country's gas station had the first paid cusomer in 2012/8/25?

'2012/8/25' can be represented by '2012-08-25'

SELECT T2.Country FROM transactions_1k AS T1 INNER JOIN gasstations AS T2 ON T1.GasStationID = T2.GasStationID WHERE T1.Date = '2012-08-25' ORDER BY T1.Time DESC LIMIT 1

simple

1514

debit_card_specializing

What kind of currency did the customer paid at 16:25:00 in 2012/8/24?

'2012/8/24' can be represented by '2012-08-24';

SELECT DISTINCT T3.Currency FROM transactions_1k AS T1 INNER JOIN gasstations AS T2 ON T1.GasStationID = T2.GasStationID INNER JOIN customers AS T3 ON T1.CustomerID = T3.CustomerID WHERE T1.Date = '2012-08-24' AND T1.Time = '16:25:00'

simple

1515

debit_card_specializing

What segment did the customer have at 2012/8/23 21:20:00?

'2012/8/23' can be represented by '2012-08-23'

SELECT T2.Segment FROM transactions_1k AS T1 INNER JOIN customers AS T2 ON T1.CustomerID = T2.CustomerID WHERE T1.date = '2012-08-23' AND T1.time = '21:20:00'

simple

1516

debit_card_specializing

How many transactions were paid in CZK in the morning of 2012/8/26?

'2012/8/26' can be represented by '2012-08-26'; The morning refers to the time before '13:00:00'

SELECT COUNT(T1.TransactionID) FROM transactions_1k AS T1 INNER JOIN customers AS T2 ON T1.CustomerID = T2.CustomerID WHERE T1.Date = '2012-08-26' AND T1.Time < '13:00:00' AND T2.Currency = 'CZK'

moderate

1517

debit_card_specializing

For the earliest customer, what segment did he/she have?

SELECT T2.Segment FROM transactions_1k AS T1 INNER JOIN customers AS T2 ON T1.CustomerID = T2.CustomerID ORDER BY Date ASC LIMIT 1

simple

1518

debit_card_specializing

For the deal happened at 2012/8/24 12:42:00, which country was it?

'2012/8/24 12:42:00' can refer to date = '2012-08-24' AND T1.time = '12:42:00' in the database

SELECT T2.Country FROM transactions_1k AS T1 INNER JOIN gasstations AS T2 ON T1.GasStationID = T2.GasStationID WHERE T1.Date = '2012-08-24' AND T1.Time = '12:42:00'

simple

1519

debit_card_specializing

What was the product id of the transaction happened at 2012/8/23 21:20:00?

'2012/8/23 21:20:00' can refer to date = '2012-08-23' AND T1.time = '21:20:00' in the database

SELECT T1.ProductID FROM transactions_1k AS T1 INNER JOIN gasstations AS T2 ON T1.GasStationID = T2.GasStationID WHERE T1.Date = '2012-08-23' AND T1.Time = '21:20:00'

simple

1520

debit_card_specializing

For the customer who paid 124.05 in 2012/8/24, how much did he/she spend during the January of 2012? And what is the date and expenses exactly?

'2012/8/24' can be represented by '2012-08-24'; expense and the consumption has the similar meaning.

SELECT T1.CustomerID, T2.Date, T2.Consumption FROM transactions_1k AS T1 INNER JOIN yearmonth AS T2 ON T1.CustomerID = T2.CustomerID WHERE T1.Date = '2012-08-24' AND T1.Price = 124.05 AND T2.Date = '201201'

moderate

1521

debit_card_specializing

For all the transactions happened during 8:00-9:00 in 2012/8/26, how many happened in CZE?

Czech Republic can be represented as the Country value in the gasstations table is 'CZE'; '2012/8/26' can be represented by '2012-08-26'; during 8:00-9:00 can be represented as Time BETWEEN '08:00:00' AND '09:00:00'

SELECT COUNT(T1.TransactionID) FROM transactions_1k AS T1 INNER JOIN gasstations AS T2 ON T1.GasStationID = T2.GasStationID WHERE T1.Date = '2012-08-26' AND T1.Time BETWEEN '08:00:00' AND '09:00:00' AND T2.Country = 'CZE'

moderate

1522

debit_card_specializing

There's one customer spent 214582.17 in the June of 2013, which currency did he/she use?

June of 2013 means Date contains '201306' in the yearmonth.date of the database

SELECT T2.Currency FROM yearmonth AS T1 INNER JOIN customers AS T2 ON T1.CustomerID = T2.CustomerID WHERE T1.Date = '201306' AND T1.Consumption = 214582.17

simple

1523

debit_card_specializing

Which country was the card owner of No.667467 in?

SELECT T2.Country FROM transactions_1k AS T1 INNER JOIN gasstations AS T2 ON T1.GasStationID = T2.GasStationID WHERE T1.CardID = '667467'

simple

1524

debit_card_specializing

What's the nationality of the customer who spent 548.4 in 2012/8/24?

'2012/8/24' can be represented by '2012-08-24'

SELECT T2.Country FROM transactions_1k AS T1 INNER JOIN gasstations AS T2 ON T1.GasStationID = T2.GasStationID WHERE T1.Date = '2012-08-24' AND T1.Price = 548.4

simple

1525

debit_card_specializing

What is the percentage of the customers who used EUR in 2012/8/25?

'2012/8/25' can be represented by '2012-08-25'

SELECT CAST(SUM(IIF(T2.Currency = 'EUR', 1, 0)) AS FLOAT) * 100 / COUNT(T1.CustomerID) FROM transactions_1k AS T1 INNER JOIN customers AS T2 ON T1.CustomerID = T2.CustomerID WHERE T1.Date = '2012-08-25'

simple

1526

debit_card_specializing

For the customer who paid 634.8 in 2012/8/25, what was the consumption decrease rate from Year 2012 to 2013?

'2012/8/24' can be represented by '2012-08-24'; Consumption decrease rate = (consumption_2012 - consumption_2013) / consumption_2012

SELECT CAST(SUM(IIF(SUBSTR(Date, 1, 4) = '2012', Consumption, 0)) - SUM(IIF(SUBSTR(Date, 1, 4) = '2013', Consumption, 0)) AS FLOAT) / SUM(IIF(SUBSTR(Date, 1, 4) = '2012', Consumption, 0)) FROM yearmonth WHERE CustomerID = ( SELECT T1.CustomerID FROM transactions_1k AS T1 INNER JOIN gasstations AS T2 ON T1.GasStationID = T2.GasStationID WHERE T1.Date = '2012-08-25' AND T1.Price = 634.8 )

challenging

1527

debit_card_specializing

Which gas station has the highest amount of revenue?

SELECT GasStationID FROM transactions_1k GROUP BY GasStationID ORDER BY SUM(Price) DESC LIMIT 1

simple

1528

debit_card_specializing

What is the percentage of "premium" against the overall segment in Country = "SVK"?

SELECT CAST(SUM(IIF(Country = 'SVK' AND Segment = 'Premium', 1, 0)) AS FLOAT) * 100 / SUM(IIF(Country = 'SVK', 1, 0)) FROM gasstations

simple

1529

debit_card_specializing

What is the amount spent by customer "38508" at the gas stations? How much had the customer spent in January 2012?

January 2012 refers to the Date value = '201201'

SELECT SUM(T1.Price) , SUM(IIF(T3.Date = '201201', T1.Price, 0)) FROM transactions_1k AS T1 INNER JOIN gasstations AS T2 ON T1.GasStationID = T2.GasStationID INNER JOIN yearmonth AS T3 ON T1.CustomerID = T3.CustomerID WHERE T1.CustomerID = '38508'

moderate

1530

debit_card_specializing

Which are the top five best selling products? Please state the full name of them.

Description of products contains full name

SELECT T2.Description FROM transactions_1k AS T1 INNER JOIN products AS T2 ON T1.ProductID = T2.ProductID ORDER BY T1.Amount DESC LIMIT 5

simple

1531

debit_card_specializing

Who is the top spending customer and how much is the average price per single item purchased by this customer? What currency was being used?

average price per single item = Total(price) / Total(amount)

SELECT T2.CustomerID, SUM(T2.Price / T2.Amount), T1.Currency FROM customers AS T1 INNER JOIN transactions_1k AS T2 ON T1.CustomerID = T2.CustomerID WHERE T2.CustomerID = ( SELECT CustomerID FROM yearmonth ORDER BY Consumption DESC LIMIT 1 ) GROUP BY T2.CustomerID, T1.Currency

moderate

1532

debit_card_specializing

Which country had the gas station that sold the most expensive product id No.2 for one unit?

SELECT T2.Country FROM transactions_1k AS T1 INNER JOIN gasstations AS T2 ON T1.GasStationID = T2.GasStationID WHERE T1.ProductID = 2 ORDER BY T1.Price DESC LIMIT 1

simple

1533

debit_card_specializing

For all the people who paid more than 29.00 per unit of product id No.5. Give their consumption status in the August of 2012.

August of 2012 refers to the Date value = '201208' ; Price per unit of product = Price / Amount;

SELECT T2.Consumption FROM transactions_1k AS T1 INNER JOIN yearmonth AS T2 ON T1.CustomerID = T2.CustomerID WHERE T1.Price / T1.Amount > 29.00 AND T1.ProductID = 5 AND T2.Date = '201208'

moderate