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 Add NOT NULL Constraintby Ed ChenNovember 23, 2019December 10, 2022Add NOT NULL Constraint As I mentioned in resolving ORA-00904 for adding a constraint, NOT NULL is a constraint, but it's more like an attribute… Read More »How Oracle Add NOT NULL Constraint