If I create a columnA in a tableA that "REFERENCES tableB(columnB)" in another table, where column B is not null, does that imply a "NOT NULL" on my columnA? In other words, does it ensure that the value of A is in the set of values for B, or that the value of A is in the Bs unless A is null? Thanks, Neal Lindsay ---------------------------(end of broadcast)--------------------------- TIP 4: Don't 'kill -9' the postmaster
- [GENERAL] Morten W. Petersen
- Re: [GENERAL] Vince Vielhaber
- Re: [GENERAL] Morten W. Petersen
- Re: [GENERAL] Morten W. Petersen
- Re: [GENERAL] Tom Lane
- [GENERAL] Foreign Keys <No Name>
- Re: [GENERAL] Foreign Keys Adam Haberlach
- [GENERAL] Re: Foreign Keys Mitch Vincent
- Re: [GENERAL] Foreign keys Stephan Szabo
- Re: [GENERAL] Foreign Keys Bruce Momjian
- Re: [GENERAL] Foreign keys Neal Lindsay
- Re: [GENERAL] Foreign keys Stephan Szabo
- [GENERAL] Foreign keys Matt Browne
- Re: [GENERAL] Foreign keys Bruno Wolff III
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- Re: [GENERAL] Foreign keys Rich Shepard
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- FW: [GENERAL] Foreign keys Benjamin Jury
- Re: [GENERAL] Foreign keys Matt Browne