Rollup, Cube and Grouping Sets in SQL | Advanced SQL Tutorial | Beyond Group By
In this video we will understand what are Rollup, Cube and Grouping Sets in SQL. Why we need it in a very simple way.
script:
Create table orders
(
Id int primary key identity,
Continent nvarchar(50),
Country nvarchar(50),
City nvarchar(50),
amount int
);
Insert into orders values('Asia','India','Bangalore',1000)
Insert into orders values('Asia','India','Chennai',2000)
Insert into orders values('Asia','Japan','Tokyo',4000)
Insert into orders values('Asia','Japan','Hiroshima',5000)
Insert into orders values('Europe','United Kingdom','London',1000)
Insert into orders values('Europe','United Kingdom','Manchester',2000)
Insert into orders values('Europe','France','Paris',4000)
Insert into orders values('Europe','France','Cannes',5000)
;
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