CHECK()

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Declarative SQL: Using CHECK() & DEFAULT

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SQL is unusual is that data is not passively stored. Instead you use declarative SQL to specify the rules that underlie the data and its integrity. When used properly, constraints can avoid having to provide a lot of logic elsewhere. CHECK() and DEFAULT can do a lot to ensure that your data is correct

2016-01-26

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RegEx Functions I

Which of these RegEx functions need compatibility level 170 in SQL Server 2025?

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