Note
This parameter is available starting with V2.1.
Description
default_compress specifies the default compression strategy for tables in Oracle-compatible mode.
Applicability
This parameter applies only to OceanBase Database in Oracle-compatible mode.
Privilege requirements
Query the parameter
The
systenant and all user tenants can use theSHOW PARAMETERSstatement or theGV$OB_PARAMETERSview to query this parameter.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 debug sync mode and set the timeout to 3 seconds.
obclient> ALTER SYSTEM SET default_compress= 'NOCOMPRESS';
References
- Set the default compression algorithm for table data: default_compress_func