On 10/8/07, chetana bhargav <[EMAIL PROTECTED]> wrote:

> We got two tables, tableA & tableB.
>
> tableB is turning out to be a many-one relation where in we have many rows of 
> tableA mapping to one row of tableB, would like to know what is the best way 
> to delete a row in tableB
>
> 1. Keep a reference count of the number of rows that are referring to this ( 
> to be honest I dont think this is good)
> 2. More on similar lines instead of count have row-ids and attach a trigger

I'm not clear on the scenario here.  Is this a like a foreign key
relationship, so you want a delete of a row in table B to delete all
referring rows from A?  Is this a garbage collection situation, where
you want a row in B to go away when all referring rows in A are
deleted?  Something else?

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