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.

Before I can explain JOIN clauses, you need to understand foreign keys and relations between tables. I’ll explain this by using examples in DDL, using SQL Server syntax. The short version of ...

If you use foreign key constraints you can't dump and restore tables unless ... but this is on the TODO. MySQL - Views Some other SQL databases use `--' to start comments. MySQL has `#' as the start ...

The Employee table will contain a foreign key reference to the Employer ... Inserting data into an SQLite database using the method above protects against SQL injection. Take note of the object ...

A foreign key is a relationship between two entities. Generally speaking, inter-entity relationships are one-to-many, e.g., an ORDER has many ORDER LINEs, and so forth. Even a case that may start out ...