Oracle

How to fix the Oracle error NID-00332: The following datafiles are in unknown state:?

How to fix the Oracle error DRG-12409: syntax error for label in string?

How to fix the Oracle error ORA-02808: Allocation of memory of open files array failed.?

How to fix the Oracle error ORA-16794: database guard is on for primary database?

How to fix the Oracle error ORA-19557: device error, device type: string, device name: string?

How to fix the Oracle error ORA-28379: a different integrity algorithm has been chosen for the table?

How to fix the Oracle error ORA-01546: tablespace contains active rollback segment ‘string’?

How to fix the Oracle error ORA-06003: NETASY: port write failure?

How to fix the Oracle error ORA-02210: no options specified for ALTER TABLE?

How to fix the Oracle error ORA-19805: RECID string of string was deleted to reclaim disk space?

How to fix the Oracle error NID-00436: Modify parameter file and generate a new password file before restarting.?

How to fix the Oracle error OCI-21522: attempted to use an invalid connection in OCI (object mode only)?