Trigger delete if no records in another table

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Trigger delete if no records in another table

Author

Topic

Vack
Aged Yak Warrior

530 Posts

Posted - 2008-05-13 : 08:50:57

Trying to create a trigger on a table that will delete any records in it that do not exist in another table.

Inserting into OrderRebateHistory Table.
if ordtype, ord_no, and line_seq_no do not exist in oelinhst then delete from OrderRebateHistory or do not insert.

Right now my code will insert the record. Then when another record gets inserted the previous record is deleted.

CREATE TRIGGER [DeletefromOrderRebateHistory] ON [dbo].[OrderRebateHistory]
for INSERT
AS

DELETE OrderRebateHistory
FROM OrderRebateHistory inner join oelinhst_sql on oelinhst_sql.ord_type = OrderRebateHistory.ord_type and
oelinhst_sql.ord_no = OrderRebateHistory.ord_no and oelinhst_sql.line_seq_no = OrderRebateHistory.line_seq_no
where oelinhst_sql.ord_type <>OrderRebateHistory.ord_type and oelinhst_sql.ord_no <> OrderRebateHistory.ord_no
and oelinhst_sql.line_seq_no <> OrderRebateHistory.line_seq_no

harsh_athalye
Master Smack Fu Yak Hacker

5581 Posts

Posted - 2008-05-13 : 08:55:39

Duplicate: http://www.sqlteam.com/forums/topic.asp?TOPIC_ID=102741

Harsh Athalye
India.
"The IMPOSSIBLE is often UNTRIED"

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