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.

To execute SQL commands and queries, add a semicolon (;) when the ... which can be treated as though they were tables. Foreign keys enforce table relationships, for example (in the case of school ...

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 ...