Oracle

How to fix the Oracle error LSX-00167: defining form of “~S” must occur at the top level?

How to fix the Oracle error ORA-01721: USERENV(COMMITSCN) invoked more than once in a transaction?

How to fix the Oracle error ORA-12514: TNS:listener does not currently know of service requested in connect descriptor?

How to fix the Oracle error ORA-25219: enqueue failed, sequence deviation not allowed for queue string.string?

How to fix the Oracle error RMAN-06199: database mounted?

How to fix the Oracle error RMAN-06424: error while looking up proxy copy?

How to fix the Oracle error ORA-04050: invalid or missing procedure, function, or package name?

How to fix the Oracle error ORA-12983: cannot drop all columns in a table?

How to fix the Oracle error ORA-55508: Invalid input to Flashback Transaction Backout?

How to fix the Oracle error PRVF-04530: OCFS is not configured in runlevel 3,4 and 5 on the node?

How to fix the Oracle error PLS-00602: CUBE and ROLLUP may appear only in a GROUP BY clause?

How to fix the Oracle error SQL-02126: Count of array elements cannot be negative (i.e. < 0)?