Delete from joined table - SQL Server Forums

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Delete from joined table

Author

Topic

sky
Starting Member

10 Posts

Posted - 2002-02-11 : 05:16:10

This one sould be easy?

How do I delete the rows selected from table B in the following query.

SELECT tableA.ProductId,
tableB.fullProductId,
FROM tableA RIGHT OUTER JOIN tableB
ON tableA.ProductId = tableB.fullProductId
WHERE (tableA.ProductId IS NULL)

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If your swimming upstream, your going the wrong way.

Merkin
Funky Drop Bear Fearing SQL Dude!

4970 Posts

Posted - 2002-02-11 : 06:44:27

Hi

Start with table B and left join the table A onto it.


DELETE FROM tableB
FROM tableB
LEFT JOIN tableA ON tableA.productID = tableB.fullProductID
WHERE tableA.ProductID is NULL

Note the extra FROM clause.

Hope that helps

Damian

sky
Starting Member

10 Posts

Posted - 2002-02-11 : 11:40:21

Thanks Merkin

--------------------------------
If your swimming upstream, your going the wrong way.

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