SYSCHECKS system table The SYSCHECKS table describes the check constraints within the current database. system tablesSYSCHECKS check constraintsSYSCHECKS system table SYSCHECKS system table

The following table shows the contents of the SYSCHECKS system table.

SYSCHECKS system tableFor each column in the SYSCHECKS system table, this table provides its data type, its length in bytes, whether it is nullable, and a description of its contents. Column Name Type Length Nullable 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