subquery sql
USE AdventureWorks2016;
GO
SELECT Ord.SalesOrderID, Ord.OrderDate,
(SELECT MAX(OrdDet.UnitPrice)
FROM Sales.SalesOrderDetail AS OrdDet
WHERE Ord.SalesOrderID = OrdDet.SalesOrderID) AS MaxUnitPrice
FROM Sales.SalesOrderHeader AS Ord;
GO
3.89
9
We use subquery in order to get aggregate value in column without grouping data
Thank you!
9
0
3.8
10
UPDATE dataflair_emp1
SET salary=35000
WHERE emp_id = ( SELECT emp_id
FROM dataflair_emp1
WHERE post='Sr.Manager');
select * from dataflair_emp1;
Thank you!
10
0
4.38
8
UPDATE Book SET note= 'editore: ' + (SELECT name FROM Publisher WHERE Publisher.ID = Book.publisher)
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8
0
4.4
5
DELETE FROM dataflair_emp1
WHERE emp_id IN ( SELECT emp_id
FROM dataflair_emp2
WHERE age=25);
select * from dataflair_emp1;
Thank you!
5
0
4.33
9
SUBQUERY IS NESTED QUERY INSIDE A SELECT,
INSERT OR UPDATE METHODS. OR INSIDE ANOTHER SUBQUERY
Thank you!
9
0
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