How to Resolve ORA-01502 Error Messageby Ed ChenJune 12, 2021May 14, 2022ORA-01502: index or partition of such index is in usable state ORA-01502 means that the index that the optimizer want to use is in UNUSABLE… Read More »How to Resolve ORA-01502 Error Message
How to Resolve ORA-01400: cannot insert NULL intoby Ed ChenNovember 27, 2019December 10, 20222 CommentsORA-01400 ORA-01400 means that there's a column which was found as NOT NULL is not listed in the INSERT statement, you have to provide a… Read More »How to Resolve ORA-01400: cannot insert NULL into
How Oracle Disable NOT NULL Constraintby Ed ChenNovember 23, 2019December 10, 2022After you add a NOT NULL constraint to a column, you might want it stop temporarily. In such moment, you should consider to disable NOT… Read More »How Oracle Disable NOT NULL Constraint