Note
This parameter is available starting with V2.1.
Description
default_compress specifies the default compression strategy for creating tables in Oracle mode.
Applicability
This parameter is applicable only to OceanBase Database in Oracle mode.
Privilege requirements
Query the parameter
The
systenant and all user tenants can query this parameter by using theSHOW PARAMETERSstatement or theGV$OB_PARAMETERSview.Modify the parameter
Only the
systenant can modify this parameter. User tenants cannot modify this parameter.
Attributes
| Attribute | Description |
|---|---|
| Type | String |
| Default value | archive |
| Value range |
|
| 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
Set the default compression strategy for creating tables in Oracle mode to NOCOMPRESS.
obclient> ALTER SYSTEM SET default_compress= 'NOCOMPRESS';
References
- Set the default compression algorithm for table data: default_compress_func