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Multicolumn primary key with null value - Mailing list pgsql-general

From Szymon Guz
Subject Multicolumn primary key with null value
Date
Msg-id v2se4edc9361004221034wa7552e43vac26342c2444f721@mail.gmail.com
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Responses Re: Multicolumn primary key with null value
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Does any SQL standard allows for a multicolumn primary key where in one record there is a null in on of the primary key columns?

regards
Szymon Guz

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