The DROP COLUMN statement is a new feature in Oracle 8i that allows a column to be dropped from a table. Columns can either be dropped immediately, or flagged as UNUSED and physically dropped later. Once flagged as UNUSED, a
The DROP COLUMN statement is a new feature in Oracle 8i that allows a column to be dropped from a table. Columns can either be dropped immediately, or flagged as UNUSED and physically dropped later. Once flagged as UNUSED, a