There are two categories of integrity constraints: General constraints, which allow you to restrict the data values that are accepted for the variables in a single data file, such as requiring that ...

Want to improve the integrity of your data ... For one, as the name implies, NoSQL databases don't use the standard SQL query language, and use either their own SQL-like language (for example, MongoDB ...

By using cascading referential integrity constraints, you can define the actions that SQL Server 2005 takes when a user tries to delete or update a key to which existing foreign keys point. Topic ...