Oracle® Database Reference 11g Release 2 (11.2) Part Number E25513-03 |
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Property | Description |
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Parameter type | String |
Syntax | CURSOR_SHARING = { EXACT | FORCE } |
Default value | EXACT |
Modifiable | ALTER SESSION , ALTER SYSTEM |
Basic | No |
CURSOR_SHARING
determines what kind of SQL statements can share the same cursors.
Values:
FORCE
Allows the creation of a new cursor if sharing an existing cursor, or if the cursor plan is not optimal.
EXACT
Only allows statements with identical text to share the same cursor.
Notes:
If you set CURSOR_SHARING
, then Oracle recommends the FORCE
setting unless you are in a DSS environment.
The value of the CURSOR_SHARING
parameter has performance implications. Refer to Oracle Database Performance Tuning Guide before setting this parameter.