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In database management, business-critical integrity constraints enforce a company's rules. For example, a company can code a constraint that prevents a checkout counter from giving a customer a ...
Integrity constraints are a set of data validation rules that you can specify to restrict the data values accepted into a SAS data file. Using integrity constraints can preserve the correctness and ...
Cascading referential integrity constraints are foreign key constraints that tell SQL Server to perform certain actions when a primary key field in a primary key-foreign key relationship is ...
Want to improve the integrity of your data? Place constraints in the database, as well as in your application. NoSQL, the catchall phrase for non-relational databases, is all the rage among Web ...
The CONTENTS statement in DATASETS procedure can also be used with a view to find out more information. The DESCRIBE TABLE CONSTRAINTS statement lists the integrity constraints that are defined for ...