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SQL Server 2008 (major build version 10.00.xxxx). Please also tag with sql-server.
0
votes
2
answers
204
views
Enforce indirect relationship
Given the following structure
There's a way to enforce that Table1.id3 only can seted to values in Table4.id3 where Table4.id2 = Table1.id2? Initially I thought in a CHECK constraint, but subqueries …
1
vote
1
answer
1k
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CHECKPOINT prevents database drop
I'm working in the following scenario: I'm creating an script that recreates an entire database. The script involves destruction an recreation of the database and all its objects, as well as a great …
7
votes
1
answer
17k
views
How to enforce a nullable foreign key?
I have a relation between two tables. The foreign key table can have a row related in the primary table. There's a way to enforce the value of the FK column to be NULL or one of the values of the PK …