Each row in the SYSDBSPACE system view describes a dbspace file. The underlying system table for this view is ISYSDBSPACE.
| Column name | Data type | Description | 
|---|---|---|
| dbspace_id | SMALLINT | Unique number identifying the dbspace. The system dbspace contains all system objects and has a dbspace_id of 0. | 
| object_id | UNSIGNED BIGINT | 
       The object ID of the dbspace.  | 
| dbspace_name | CHAR(128) | A unique name for the dbspace. It is used in the CREATE TABLE command. | 
| store_type | TINYINT | For internal use only. | 
PRIMARY KEY (dbspace_id)
FOREIGN KEY (object_id) REFERENCES SYS.ISYSOBJECT (object_id) MATCH UNIQUE FULL