Oracle

How to fix the Oracle error ORA-41203: Invalid session state operation?

How to fix the Oracle error ORA-42041: cannot online redefine table “string”.”string” with nested table columns?

How to fix the Oracle error NID-00426: Database ID for database string restored to number.?

How to fix the Oracle error RMAN-06470: DEVICE TYPE is supported only when automatic channels are used?

How to fix the Oracle error TNS-00306: Connection Manager encountered an invalid/unknown trace level?

How to fix the Oracle error NNL-00961: Cache checkpoints: number?

How to fix the Oracle error ORA-01910: TABLES keyword expected?

How to fix the Oracle error ORA-02838: Unable to arm signal handler for the alarm signal?

How to fix the Oracle error ORA-22889: REF value does not point to scoped table?

How to fix the Oracle error ORA-24305: bad bind or define context?

How to fix the Oracle error ORA-30756: cannot create column or table of type that contains a supertype attribute?

How to fix the Oracle error ORA-32351: database link name cannot start with a number while creating materialized view?