## CONSTRAINTCOLUMNS

### Definition

The system table CONSTRAINTCOLUMNS contains the columns specified in the CONSTRAINT definitions for the tables for which the current user has privileges.

### Structure

CONSTRAINTCOLUMNS

SCHEMANAME | CHAR(32) | Name of the schema
OWNER | CHAR(32) | Name of the owner
TABLENAME | CHAR(32) | Name of table with the CONSTRAINT definition
CONSTRAINTNAME | CHAR(32) | Name of the CONSTRAINT definition
CONSTRAINTTYPE | CHAR(12) | Type of CONSTRAINT definition (CHECK | FOREIGN KEY | KEY | UNIQUE_CONST)
COLUMNNAME | CHAR(32) | Name of the column
COLUMNNO | FIXED(4) | Number of the column within the table or constraint

See also:

SQL Reference Manual, CONSTRAINT Definition (constraint_definition)