Name of a referential constraint (referential_constraint_name)
The name of a referential constraint (
referential_constraint_name ) identifies a referential constraint (referential integrity condition, data integrity). This integrity condition specifies deletion and existence dependencies between two tables.Syntax
<referential_constraint_name> ::= <identifier>
identifierExplanation
An error message is output if the name has more than 32 characters.
SQL statement for defining a referential constraint
Referential CONSTRAINT definition CREATE TABLE statement ALTER TABLE statement