Purpose
The ALL_VIEWS view displays all views accessible to the current user.
Applicability
This view applies only to OceanBase Database Enterprise Edition. OceanBase Database Community Edition provides only the MySQL mode.
Columns
| Column | Type | Nullable? | Description |
|---|---|---|---|
| OWNER | VARCHAR2(128) | YES | The user to whom the view belongs. |
| VIEW_NAME | VARCHAR2(128) | YES | The name of the index. |
| TEXT_LENGTH | NUMBER | NO | The length of the view text. |
| TEXT | CLOB | NO | View definition |
| TEXT_VC | VARCHAR2(4000) | NO | The field is not supported at present. The field is currently set to NULL as default. |
| TYPE_TEXT_LENGTH | NUMBER | NO | Not supported and set to NULL by default |
| TYPE_TEXT | VARCHAR2(4000) | NO | This field is not supported at the moment and defaults to NULL. |
| OID_TEXT_LENGTH | NUMBER | NO | This field is not supported and is currently NULL by default. |
| OID_TEXT | VARCHAR2(4000) | NO | Currently, this field is not supported, and its default value is NULL. |
| VIEW_TYPE_OWNER | VARCHAR2(128) | NO | This field is not supported. The default value is NULL. |
| VIEW_TYPE | VARCHAR2(30) | NO | Currently, this field is not supported and defaults to NULL. |
| SUPERVIEW_NAME | VARCHAR2(30) | NO | This field is not supported and is NULL by default. |
| EDITIONING_VIEW | VARCHAR2(1) | NO | The field is not supported at present and defaults to NULL. |
| READ_ONLY | VARCHAR2(1) | NO | The field is currently not supported, and its default value is NULL. |
| CONTAINER_DATA | VARCHAR2(1) | NO | This field is not currently supported. The default value of this field is NULL. |
| BEQUEATH | VARCHAR2(12) | NO | This field is not supported. The field is set to NULL by default. |
| ORIGIN_CON_ID | NUMBER | NO | This field is not supported and currently default to NULL |
| DEFAULT_COLLATION | VARCHAR2(100) | NO | This field is not supported now, and is currently set to NULL by default. |
| CONTAINERS_DEFAULT | VARCHAR2(3) | NO | The field is not supported and will be set to NULL by default. |
| CONTAINER_MAP | VARCHAR2(2) | NO | The value of this parameter is currently NULL. This parameter is not supported yet. |
| EXTENDED_DATA_LINK | VARCHAR2(3) | NO | Not supported. The value of this field is NULL. |
| EXTENDED_DATA_LINK_MAP | VARCHAR2(3) | NO | The value of this field is currently always NULL. |
| HAS_SENSITIVE_COLUMN | VARCHAR2(3) | NO | This field is not supported and is NULL by default. |
| ADMIT_NULL | VARCHAR2(3) | NO | This field is temporarily not supported. The default value is NULL. |
| PDB_LOCAL_ONLY | VARCHAR2(3) | NO | This field is not supported and is currently NULL by default. |
Sample query
View the information about the VIEW2 view in all views accessible by the current user.
obclient [SYS]> SELECT OWNER, VIEW_NAME, TEXT_LENGTH, TEXT FROM SYS.DBA_VIEWS WHERE VIEW_NAME='VIEW2';
The query result is as follows:
+-------+-----------+-------------+--------------------------------------------+
| OWNER | VIEW_NAME | TEXT_LENGTH | TEXT |
+-------+-----------+-------------+--------------------------------------------+
| SYS | VIEW2 | 42 | SELECT "A","B" FROM tbl2 WHERE tbl2.b > 1 |
+-------+-----------+-------------+--------------------------------------------+
1 row in set
Related views or documents
View all views under the current tenant: DBA_VIEWS
View views of the current user: USER_VIEWS
For more information about the view creation syntax, see CREATE VIEW.