CONSTRAINT_COLUMN_USAGE

Information on columns that belong to the current authorization identifier and which are used in integrity constraints (except columns that are referenced in referential constraints).

Column name	Data type	Contents
TABLE_CATALOG	CHAR (18)	Database name
TABLE_SCHEMA	CHAR (31)	Name of the schema to which the table belongs
TABLE_NAME	CHAR (31)	Name of the table referenced in the integrity constraint
COLUMN_NAME	CHAR (31)	Column name
CONSTRAINT_CATALOG	CHAR (18)	Database name
CONSTRAINT_SCHEMA	CHAR (31)	Name of the schema to which the table with the integrity constraint belongs
CONSTRAINT_NAME	CHAR (31)	Name of the integrity constraint

Table 71: CONSTRAINT_COLUMN_USAGE view of the INFORMATION_SCHEMA