Answers for "what is subquery in sql"

SQL

mssql subqueries

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

Posted by: Guest on January-15-2021

why we use subquery in sql

We use subquery in order to get aggregate value in column without grouping data

Posted by: Guest on April-02-2021

what is subquery in sql

SUBQUERY IS NESTED QUERY INSIDE A SELECT, 
INSERT OR UPDATE METHODS. OR INSIDE ANOTHER SUBQUERY

Posted by: Guest on January-20-2021

subquery sql

UPDATE Book SET note= 'editore: ' + (SELECT name FROM Publisher WHERE Publisher.ID = Book.publisher)

Posted by: Guest on December-26-2020

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sql sub queries

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Posted by: Guest on April-21-2021

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