How to Add or Drop NOT NULL Constraint
Add NOT NULL Constraint As I mentioned in How to Resolve ORA-00904 for ALTER TABLE ADD CONSTRAINT, NOT NULL is a constraint, but it’s more… Read More »How to Add or Drop NOT NULL Constraint
Column
How to Resolve ORA-12899: value too large for column
ORA-12899 ORA-12899 means that the value of being inserted or updated data is larger than column’s allowable length that is defined in the table. Let’s… Read More »How to Resolve ORA-12899: value too large for column