Description: Contains one row for each volume of each storage group.
|Column name||Description||Data type|
|SGNAME||Name of the storage group.|
|SGCREATOR||Authorization ID of the owner of the storage group.|
|VOLID||Serial number of the volume or * if SMS-managed.|
|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).