delete from more than two tables

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SQL-Server

sir,
how to delete from more than two tables using single query

Posted 6-Dec-13 16:23pm

vineethnair

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PIEBALDconsult · Answer 1 · 2013-12-06T16:55:00

Solution 1

You can't delete from anything with any query.

A DELETE statement can basically only delete from one table, but if your system and architecture allow it, you can turn on cascaded deletes, but that's generally a bad idea.

If your system allows it, you may be able to pass multiple statements (of whatever kind you need) at once.

E.g. DELETE FROM Table1 ; DELETE FROM Table 2 ... ; DELETE FROM Tablen

Posted 6-Dec-13 16:55pm

PIEBALDconsult

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vineethnair 7-Dec-13 1:58am

ok..can use inner join to delete from more than tables

vineethnair 7-Dec-13 2:17am

sir,
you are right its a bad idea.if you know another method please help me..

Jain Nishant · Answer 2 · 2013-12-09T19:23:00

Solution 2

U can use join for that....

Delete from table_name
from table_name a inner join table_name b on a.id=b.id

Hope this will help you ....

Posted 9-Dec-13 19:23pm

Jain Nishant