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 problem with cascade deleting updating

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AskSQLTeam
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Posted - 2003-04-14 : 09:39:38
arindam chakraborty writes "A big problem with cascade updating & deleting :
The problem :
Suppose I have 6 tables in my database ,all are interrelated with each other .
and I have set primary -foreign key relation among all the tables.
Now when I insert, update or delete any new row from the master table It should affect
on corresponding row in all the child table .
So my question is if use cascade style first it will make me to drop the all foreign key
constraint ....then may it will work. But bcos of some other reason I don't want to delete
foreign key relation....
What is best another option to do the job .
I am using SQL server.
Thanks
Arindam"

X002548
Not Just a Number

15586 Posts

Posted - 2003-04-14 : 10:43:46
It is my understanding the cascading updates and deletes are FOR the Foreign keys. Not the data. I'll have to reconfirm this with BOL, but as a rule we don't using cascading events. I believe mostly beacuse of the overhead.

Does any one have experience with cascading?



Brett

8-)
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