Questions Tagged With constraints
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constraints against another tables

05 May '20, 09:06 Breck Carter32.5k
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foreign key constraint where one column in foreign key is sometimes NULL

27 Jul '17, 03:50 robert853
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Constraint which doesn't allow NULL values (or empty string) in fk column

31 May '17, 08:20 robert853
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Foreign key constraint ON DELETE "NO ACTION"

02 Sep '15, 10:21 robert853
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check constraint against another table

04 Jun '14, 03:53 Volker Barth39.5k
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2.8k
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Column Disambiguation in a Check Constraint Sub-Query

07 Feb '13, 11:16 JWilliston106
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Problem with references in PowerDesigner 15.2

14 Nov '12, 03:30 Reimer Pods4.5k
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Does adding a CHECK CONSTRAINT apply only to future data modifications?

19 Jun '12, 03:24 Volker Barth39.5k
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2.3k
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Table Check Constraint Design Question

30 May '12, 07:41 J Diaz1.2k
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2.5k
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Does DBUpgrad to ASA9 lose check constraints?

07 May '12, 09:34 Volker Barth39.5k
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Unique constraints with multiple NULL values

31 Mar '10, 19:13 Glenn Paulley10.8k
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