If you have encountered the ORA-01585 error in Oracle, it means that the PCTINCREASE parameter is not allowed for rollback segment storage clauses. This error occurs when trying to create or alter a rollback segment with the PCTINCREASE clause, which is not supported for rollback segments.
To diagnose and fix this error, you can follow the steps below:
Diagnosing the ORA-01585 Error
1. Check the SQL statement that triggered the error. Look for any references to the PCTINCREASE parameter in the CREATE or ALTER statement for the rollback segment.
2. Verify the Oracle documentation for the correct syntax and parameters allowed for rollback segment storage clauses.
3. Check the Oracle alert log for any additional information or errors related to the ORA-01585 error.
Fixing the ORA-01585 Error
To fix the ORA-01585 error, you can take the following actions:
1. Remove the PCTINCREASE parameter from the CREATE or ALTER statement for the rollback segment.
2. Use the correct syntax and parameters allowed for rollback segment storage clauses. For example, you can use the STORAGE parameter to specify the initial and next extents for the rollback segment.
3. If you are using a script or application to create or alter the rollback segment, update the script or application to remove the PCTINCREASE parameter.
4. If you are unsure about the correct syntax and parameters for rollback segment storage clauses, refer to the Oracle documentation or seek assistance from a database administrator or Oracle support.
Example
Here is an example of a SQL statement that triggers the ORA-01585 error:
CREATE ROLLBACK SEGMENT rbs1 STORAGE (INITIAL 1M NEXT 1M PCTINCREASE 0);
To fix this error, you can remove the PCTINCREASE parameter from the statement:
CREATE ROLLBACK SEGMENT rbs1 STORAGE (INITIAL 1M NEXT 1M);
Conclusion
In conclusion, the ORA-01585 error in Oracle is caused by the PCTINCREASE parameter not being allowed for rollback segment storage clauses. To diagnose and fix this error, you should review the SQL statement that triggered the error, remove the PCTINCREASE parameter, and use the correct syntax and parameters allowed for rollback segment storage clauses.
By following the steps outlined in this article, you can effectively diagnose and fix the ORA-01585 error in Oracle. If you encounter any difficulties, consider seeking assistance from Oracle support or a database administrator.
