Property | Description |
Parameter type | String |
Syntax |
|
Default value |
|
Modifiable | No |
Basic | No |
DB_ULTRA_SAFE
sets the default values for other parameters that control protection levels.
Values:
· OFF
When any of DB_BLOCK_CHECKING
, DB_BLOCK_CHECKSUM
, or DB_LOST_WRITE_PROTECT
are explicitly set, no changes are made.
· DATA_ONLY
o DB_BLOCK_CHECKING
will be set to MEDIUM
.
o DB_LOST_WRITE_PROTECT
will be set to TYPICAL
.
o DB_BLOCK_CHECKSUM
will be set to FULL
.
· DATA_AND_INDEX
o DB_BLOCK_CHECKING
will be set to FULL
.
o DB_LOST_WRITE_PROTECT
will be set to TYPICAL
.
o DB_BLOCK_CHECKSUM
will be set to FULL
.
Note:
1. This parameter was introduced in 11g.
2. Query for the current value of the parameter
select name, value, isdefault, isses_modifiable, issys_modifiable,
isinstance_modifiable, isdeprecated, description
from v$parameter
where upper(name) = ‘DB_ULTRA_SAFE’;
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