Re: constraint question

thanks for helps..

but then
is it a good idea to have unique constraint for all columns for each table

table1 has col1,col2,col3
then have unique (col1, col2, col3) constraint table2 has t_col1, t_col2
and have unique (t_col1, t_col2) constraint and so on ..

?

thank you Received on Mon Sep 09 2002 - 07:42:09 CDT