SYSCHECKS system table

The SYSCHECKS table describes the check constraints within the current database.

Column Name Type Length Nullability Contents
CONSTRAINTID CHAR 36 false Unique identifier for the constraint
CHECKDEFINITION LONG VARCHAR 32,700 false Text of check constraint definition
REFERENCEDCOLUMNS org.apache.derby.catalog. ReferencedColumns

This class is not part of the public API.

2,147,483,647 false Description of the columns referenced by the check constraint