Name of a Referential Constraint (referential_constraint_name)

The name of a referential constraint (referential_constraint_name) identifies a referential constraint. This integrity condition specifies deletion and existence dependencies between two tables.

Structure

Syntax Syntax

<referential_constraint_name> ::=
  <identifier>

End of the code.

Examples

SQL Tutorial, Foreign Key Dependencies Between Tables

Explanation

An error message is output if the name consists of more than 32 characters.

More Information

Referential CONSTRAINT definition

ALTER TABLE Statement

Ensuring Data Integrity