Complex SQL Interview Question || Data Analyst SQL Interview Question || Solve Using 2 Methods!

Published: 10 August 2024
on channel: Data Project Hub

251

In this video we will solve a complex SQL interview question using 2 different methods.

Table Script :-

Create Table Transactions_Ecomm (
Id int, userId int, Item Varchar(20),
CreatedAt Date, Revenue int
)

Insert into Transactions_Ecomm Values (1,109,'milk','2099-03-03',123)
Insert into Transactions_Ecomm Values (2,103,'bread','2099-03-29',862)
Insert into Transactions_Ecomm Values (3,128,'bread','2099-03-04',112)
Insert into Transactions_Ecomm Values (4,128,'biscuit','2099-03-24',160)
Insert into Transactions_Ecomm Values (5,100,'banana','2099-03-18',599)
Insert into Transactions_Ecomm Values (6,103,'milk','2099-03-31',290)
Insert into Transactions_Ecomm Values (7,102,'bread','2099-03-25',325)
Insert into Transactions_Ecomm Values (8,109,'bread','2099-03-22',432)
Insert into Transactions_Ecomm Values (9,101,'milk','2099-03-01',449)
Insert into Transactions_Ecomm Values (10,100,'milk','2099-03-29',410)
Insert into Transactions_Ecomm Values (11,129,'milk','2099-03-02',771)
Insert into Transactions_Ecomm Values (12,104,'biscuit','2099-03-31',957)
Insert into Transactions_Ecomm Values (13,110,'bread','2099-03-13',210)
Insert into Transactions_Ecomm Values (14,128,'milk','2099-03-28',498)
Insert into Transactions_Ecomm Values (15,109,'bread','2099-03-02',362)
Insert into Transactions_Ecomm Values (16,110,'bread','2099-03-13',262)
Insert into Transactions_Ecomm Values (17,105,'bread','2099-03-21',562)
Insert into Transactions_Ecomm Values (18,101,'milk','2099-03-26',740)
Insert into Transactions_Ecomm Values (19,100,'banana','2099-03-13',175)
Insert into Transactions_Ecomm Values (20,105,'banana','2099-03-05',815)
Insert into Transactions_Ecomm Values (21,129,'milk','2099-03-02',489)
Insert into Transactions_Ecomm Values (22,105,'banana','2099-03-09',972)
Insert into Transactions_Ecomm Values (23,107,'bread','2099-03-01',701)
Insert into Transactions_Ecomm Values (24,100,'bread','2099-03-07',410)
Insert into Transactions_Ecomm Values (25,110,'bread','2099-03-27',225)

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