ORA-ERRORS

I got ” ORA-02298 cannot validate parent keys ” error in Oracle database.

I got ” ORA-01036: illegal variable name/number ” error in Oracle database.

I got ” ORA-01460: unimplemented or unreasonable conversion requested ” error in Oracle database.

I got ” ORA-04088: error during execution of trigger ‘string.string'” error in Oracle database.

I got ” ORA-01019: unable to allocate memory in the user side ” error in Oracle database.

I got ” ORA-02291: integrity constraint (string.string) violated – parent key not found ” error in Oracle database.

I got ” ORA-24344: success with compilation error ” error in Oracle database.

Sometimes You can get ” ORA-12504: TNS:listener was not given the SERVICE_NAME in CONNECT_DATA. ” error.

I got ” ORA-30036: unable to extend segment by string in undo tablespace “string” ” error in Oracle database.

Sometimes You can get “ORA-12170: TNS: Connect timeout occurred ” error.