Saturday, 19 March 2016

How to delete from table using JOIN in SQL Server

It's a little bit tricky to delete from a table while using any type of JOIN in SQL e.g. Inner Join, Left Outer Join, or Right Outer Join. The obvious syntax doesn't work as shown below:
delete from #Expired e INNER JOIN 
Deals d ON e.DealId = d.DealId

Where d.Brand = 'Sony'

here I have a table with a list of expired deals which I want to delete from the Deals tables, but only for Sony.

When I run this SQL Query in Microsoft SQL Server 2008, it gave me following error:

Msg 102, Level 15, State 1, Line 1
Incorrect syntax near 'e'.

Now, I am puzzled, how to delete from a table while using INNER JOIN in SQL Server?
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