Ensuring the integrity ... database tables. A trigger is a piece of code that is executed in response to a data modification statement. Triggers can be thought of as an advanced form of rule or ...

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 ...

Referential integrity ... using database constraints. Ignoring the relationships does not eliminate the business requirement. Proper database RI ensures data integrity for both planned application ...

Want to improve the integrity of your data ... to have the checks only in the database, rather than at the application level. Imagine, for example, if you were to have a "NOT NULL" constraint in the ...

When I am working with an Oracle database, I still find myself using SQL*Plus ... using these two constraints-related views is one that provides information on referential integrity constraints ...

Also, referential integrity constraint types are never transferred. This example downloads the SAS data set STUDENTS in the library WORK on the remote host to the library WORK on the local host. Any ...