Ron <ronljohnsonjr@xxxxxxxxx> writes: > On 2/7/23 09:06, Adrian Klaver wrote: >> To force immediate reclamation of space occupied by a dropped column, you >> can execute one of the forms of ALTER TABLE that performs a rewrite of the >> whole table. This results in reconstructing each row with the dropped >> column replaced by a null value." > VACUUM FULL doesn't rewrite the table? It moves all the tuples into a new file, but it does not rebuild individual tuples, as would be needed to delete column values. regards, tom lane