Description: Contains one row for every column of every foreign key.
|Column name||Description||Data type|
|CREATOR||Authorization ID of the owner of the table that contains the column.|
|TBNAME||Name of the table that contains the column.|
|RELNAME||Constraint name for the constraint for which the column is part of the foreign key.|
|COLNAME||Name of the column.|
|COLNO||Numeric place of the column in its table.|
|COLSEQ||Numeric place of the column in the foreign key.|
|IBMREQD||A value of Y indicates that the row came from the basic machine-readable material (MRM) tape.|
Adapted from material found in the IBM DB2 Universal Database for z/OS V8 SQL Reference (SC18-7426-02).