Posted by Erland Sommarskog on 06/16/92 11:51

HandersonVA (handersonva@hotmail.com) writes:
> if i have a table which defines a rule as "combination of two field
> must be unique", how can I write this in a constraint expression
> section?

CONSTRAINT u_tbl UNIQUE (col1, col2)




--
Erland Sommarskog, SQL Server MVP, esquel@sommarskog.se

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