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This article mainly shows you "how to do ORA-600 error in oracle", the content is simple and easy to understand, organized clearly, I hope to help you solve doubts, let Xiaobian lead you to study and learn "how to do ORA-600 error in oracle" this article.

ORA-00600:internal error code, arguments: [4194], [43], [46], [], [], [], [], []

Most of this happens because of unexpected downtime and errors reported during startup. DB cannot start.

Method 1: Using system segments

(1) Create pfile with spfile, and then modify parameters:

#.undo_tablespace='UNDOTBS1'

#.undo_management='AUTO'

#.undo_tablespace

#.undo_retention

undo_management='MANUAL'

rollback_segments='SYSTEM'

(2) Restart DB with modified pfile

SQL> STARTUP pfile='F:/initorcl.ora' ;

(3) Delete the original tablespace and create a new UNDO tablespace

SQL> drop tablespace undotbs;

SQL> create undo tablespace undotbs1 datafile '/u01/oradata/undotbs1.dbf' size 10M;

(4) Close the database, modify the pfile parameter, and then create spfile with the new pfile, and start the database normally.

.undo_tablespace='UNDOTBS1'

.undo_management='AUTO'

#undo_management='MANUAL'

#rollback_segments='SYSTEM'

Method 2: Skip the damaged segment

In method 1, we use system segments. From the first part we learned that there are multiple undo segments, we can use the alert log to see which segments are in use, these segments may be damaged. We just need to skip these broken segments, start DB normally first, create a new UNDO table space, and switch.

(1) Modify pfile and add parameters:

*._ corrupted_rollback_segments='_SYSSMU11$','_SYSSMU12$','_SYSSMU13$'

The values of these fields are checked through the alert log. It can also be viewed with the following command:

#strings system01.dbf | grep _SYSSMU | cut -d $ -f 1 | sort -u

(2) Start DB with modified pfile

DB can start normally because of the broken segments skipped.

(3) Create a new UNDO table space and switch over

SQL> create undo tablespace undotbs1 datafile '/u01/oradata/undotbs1.dbf' size 10M;

SQL> alter system set undo_tablespace=undotbs1;

SQL> drop tablespace undotbs;

(4) Modify pfile, create spfile, and start normally

Delete:

*._ corrupted_rollback_segments='_SYSSMU11$','_SYSSMU12$','_SYSSMU13$'

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