The sysextents table provides information about extent allocation.
| Column | Type | Description |
|---|---|---|
| coserver_id | integer | Coserver number |
| dbsname | char(128) | Database name |
| tabname | char(128) | Table name |
| start_chunk | integer | Chunk number for the extent |
| start_offset | integer | Page offset of the extent start |
| size | integer | Size of the extent, in pages |