# SYSPERMS system table

The SYSPERMS system table describes the USAGE permissions for sequence generators and user-defined types.

Column Name | Type | Length | Nullability | Contents
--- | --- | --- | --- | ---
PERMISSIONID | CHAR | 36 | False | The unique id of the permission. This is the primary key.
OBJECTTYPE | VARCHAR | 36 | False | The kind of object receiving the permission. The only valid values are 'SEQUENCE' and 'USER-DEFINED TYPE'.
OBJECTID | CHAR | 36 | False | The UUID of the object receiving the permission. For sequence generators, the only valid values are SEQUENCEIDs in the SYS.SYSSEQUENCES table. For user-defined types, the only valid values are ALIASIDs in the SYS.SYSALIASES table if the SYSALIASES row describes a user-defined type.
PERMISSION | CHAR | 36 | False | The type of the permission. The only valid value is 'USAGE'.
GRANTOR | VARCHAR | 128 | False | The authorization ID of the user who granted the privilege. Privileges can be granted only by the object owner.
GRANTEE | VARCHAR | 128 | False | The authorization ID of the user or role to which the privilege was granted.
ISGRANTABLE | CHAR | 1 | False | If the GRANTEE is the owner of the sequence generator or user-defined type, this value is 'Y'. If the GRANTEE is not the owner of the sequence generator or user-defined type, this value is 'N'.

Parent topic: Derby system tables