Note
This parameter was introduced in OceanBase Database V4.2.1 BP4.
Description
enable_dblink specifies whether to enable the DBLink feature.
Limitations
Query the parameter
In the
systenant or a user tenant, you can execute theSHOW PARAMETERSstatement to query the parameter or query theGV$OB_PARAMETERSview for the parameter.Modify the parameter
You can modify the parameter only in the
systenant.
Attributes
| Attribute | Description |
|---|---|
| Type | Boolean |
| Default value | true |
| Value range | true: enables the DBLink feature.false: disables the DBLink feature, with the OB_OP_NOT_ALLOW error returned. |
| Modifiable | Yes. You can use the ALTER SYSTEM SET statement to modify the parameter. |
| Effective upon OBServer node restart | No. The setting takes effect immediately. |
Examples
Enable the DBLink feature.
obclient> ALTER SYSTEM SET enable_dblink=true;