PostgreSQL: Documentation: 16: ALTER TABLE
https://www.postgresql.org/docs/current/sql-altertable.html
WEBFeb 8, 2024 · The forms ADD (without USING INDEX), DROP [COLUMN], DROP IDENTITY, RESTART, SET DEFAULT, SET DATA TYPE (without USING), SET GENERATED, and SET sequence_option conform with the SQL standard. The other forms are PostgreSQL extensions of the SQL standard.
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