I have created a custom macro for creating primary keys on MSSQL models and for "ALTER TABLE ADD CONSTRAINT" statements, the SQL is incorrectly modified to quote "CONSTRAINT" rather than the ...

I've got an interesting constraint I'm trying to add to our database. I can do with with triggers, but am curious if there is a more elegant way to do this in T-SQL (SQL2005, FWIW) We have two related ...

I have been setting up tests for my project to validate that backed enum types in my project are compatible with the enums generated for my database schemas, and in doing so I discovered inconsistent ...

Abstract: Reifying a constraint c consists in associating a Boolean variable b with c such that c is satisfied if and only if b is true, which can be denoted by c^{reif}: c ;=> b. Reification is ...

SCL provides a set of functions that enable you to work with integrity constraints (IC). Integrity constraints are a Version 7 feature of SAS software for preserving the consistency and correctness of ...