Note
This view is available starting with V2.2.30.
Purpose
This view displays all column comments of the views and tables owned by the current user.
Applicability
This view is applicable only to OceanBase Database in Oracle mode.
Columns
| Column | Type | Nullable | Description |
|---|---|---|---|
| TABLE_NAME | VARCHAR2(128) | NO | The name of the object. |
| COLUMN_NAME | VARCHAR2(128) | NO | The name of the column. |
| COMMENTS | VARCHAR2(4000) | YES | The comment on the column. |
Sample query
Query all column comments of the T1 table owned by the current user.
obclient [SYS]> SELECT * FROM SYS.USER_COL_COMMENTS WHERE TABLE_NAME='T1';
The query result is as follows:
+------------+----------------+----------+
| TABLE_NAME | COLUMN_NAME | COMMENTS |
+------------+----------------+----------+
| T1 | __pk_increment | NULL |
| T1 | ID1 | score |
| T1 | ID2 | NULL |
+------------+----------------+----------+
3 rows in set
References
Query all column comments of the views and tables accessible to the current user: ALL_COL_COMMENTS
Query all column comments of the views and tables in the current tenant: DBA_COL_COMMENTS
