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Delete from Multiple tables using a single SQL

 
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Martin
Beginner


Joined: 20 Mar 2006
Posts: 133
Topics: 58
PostPosted: Tue Aug 01, 2006 10:06 pm    Post subject: Delete from Multiple tables using a single SQL Reply with quote
Hi,

I need to know if it possible to delete rows from multiple tables using a single sql? If so can some one post a sample query?

- Martin
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CZerfas
Intermediate


Joined: 31 Jan 2003
Posts: 211
Topics: 8
PostPosted: Wed Aug 02, 2006 1:44 am    Post subject: Reply with quote
Hello Martin,

no, a DELETE can be directed only to one table.
An exception is the definition of referential integrity rules with a cascading delete for the child table rows. But the use of that is limited to primary and secondary key connections between tables.

Why couldn't you use more than one SQL statement?

regards
Christian
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shekar123
Advanced


Joined: 22 Jul 2005
Posts: 528
Topics: 90
Location: Bangalore India
PostPosted: Wed Aug 02, 2006 1:55 am    Post subject: Reply with quote
Martin,

As CZerfas mentioned Delete applies to only one table only that is rows are deleted from one table.If u code Very Happy
Code:

DELETE FROM TABLEA TABLEB;

Delete will be applicable to only TABLEA only not to TABLEB.
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Shekar
Grow Technically
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