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The ALTER statement
Applies to ✅ Open Source Edition ✅ Express Edition ✅ Professional Edition ✅ Enterprise Edition
ALTER
statements are used to alter properties of existing objects in the database catalog.
Table of contents
- 3.6.1.1.
- ALTER DATABASE
- 3.6.1.1.1.
- ALTER DATABASE .. RENAME
- 3.6.1.1.2.
- ALTER DATABASE IF EXISTS
- 3.6.1.2.
- ALTER DOMAIN
- 3.6.1.2.1.
- ALTER DOMAIN .. RENAME
- 3.6.1.2.2.
- ALTER DOMAIN .. SET DEFAULT
- 3.6.1.2.3.
- ALTER DOMAIN .. DROP DEFAULT
- 3.6.1.2.4.
- ALTER DOMAIN .. SET NOT NULL
- 3.6.1.2.5.
- ALTER DOMAIN .. DROP NOT NULL
- 3.6.1.2.6.
- ALTER DOMAIN .. ADD CONSTRAINT
- 3.6.1.2.7.
- ALTER DOMAIN .. RENAME CONSTRAINT
- 3.6.1.2.8.
- ALTER DOMAIN .. RENAME CONSTRAINT IF EXISTS
- 3.6.1.2.9.
- ALTER DOMAIN .. DROP CONSTRAINT
- 3.6.1.2.10.
- ALTER DOMAIN .. DROP CONSTRAINT IF EXISTS
- 3.6.1.2.11.
- ALTER DOMAIN IF EXISTS
- 3.6.1.3.
- ALTER INDEX
- 3.6.1.3.1.
- ALTER INDEX .. RENAME
- 3.6.1.3.2.
- ALTER INDEX IF EXISTS
- 3.6.1.4.
- ALTER SCHEMA
- 3.6.1.4.1.
- ALTER SCHEMA .. RENAME
- 3.6.1.4.2.
- ALTER SCHEMA IF EXISTS
- 3.6.1.5.
- ALTER SEQUENCE
- 3.6.1.5.1.
- ALTER SEQUENCE .. RENAME
- 3.6.1.5.2.
- ALTER SEQUENCE .. CACHE
- 3.6.1.5.3.
- ALTER SEQUENCE .. CYCLE
- 3.6.1.5.4.
- ALTER SEQUENCE .. MINVALUE
- 3.6.1.5.5.
- ALTER SEQUENCE .. t reaches its MAXVALUE
- 3.6.1.5.6.
- ALTER SEQUENCE .. INCREMENT BY
- 3.6.1.5.7.
- ALTER SEQUENCE .. START WITH
- 3.6.1.5.8.
- ALTER SEQUENCE .. RESTART
- 3.6.1.5.9.
- ALTER SEQUENCE IF EXISTS
- 3.6.1.6.
- ALTER TABLE
- 3.6.1.6.1.
- ALTER TABLE .. ADD COLUMN
- 3.6.1.6.2.
- ALTER TABLE .. ADD COLUMN .. FIRST, BEFORE, AFTER
- 3.6.1.6.3.
- ALTER TABLE .. ADD COLUMNS
- 3.6.1.6.4.
- ALTER TABLE .. ADD COLUMN IF NOT EXISTS
- 3.6.1.6.5.
- ALTER TABLE .. ADD PRIMARY KEY
- 3.6.1.6.6.
- ALTER TABLE .. ADD UNIQUE
- 3.6.1.6.7.
- ALTER TABLE .. ADD FOREIGN KEY
- 3.6.1.6.8.
- ALTER TABLE .. ADD CHECK
- 3.6.1.6.9.
- ALTER TABLE .. RENAME
- 3.6.1.6.10.
- ALTER TABLE .. COMMENT
- 3.6.1.6.11.
- ALTER TABLE .. ALTER COLUMN .. SET DEFAULT
- 3.6.1.6.12.
- ALTER TABLE .. ALTER COLUMN .. DROP DEFAULT
- 3.6.1.6.13.
- ALTER TABLE .. ALTER COLUMN .. SET NOT NULL
- 3.6.1.6.14.
- ALTER TABLE .. ALTER COLUMN .. DROP NOT NULL
- 3.6.1.6.15.
- ALTER TABLE .. ALTER COLUMN .. SET TYPE
- 3.6.1.6.16.
- ALTER TABLE .. ALTER CONSTRAINT .. ENFORCED
- 3.6.1.6.17.
- ALTER TABLE .. ALTER CONSTRAINT .. NOT ENFORCED
- 3.6.1.6.18.
- ALTER TABLE .. RENAME COLUMN
- 3.6.1.6.19.
- ALTER TABLE .. RENAME CONSTRAINT
- 3.6.1.6.20.
- ALTER TABLE .. RENAME INDEX
- 3.6.1.6.21.
- ALTER TABLE .. DROP COLUMN
- 3.6.1.6.22.
- ALTER TABLE .. DROP COLUMN RESTRICT
- 3.6.1.6.23.
- ALTER TABLE .. DROP COLUMN CASCADE
- 3.6.1.6.24.
- ALTER TABLE .. DROP COLUMNS
- 3.6.1.6.25.
- ALTER TABLE .. ADD COLUMN IF NOT EXISTS
- 3.6.1.6.26.
- ALTER TABLE .. DROP CONSTRAINT
- 3.6.1.6.27.
- ALTER TABLE .. DROP PRIMARY KEY
- 3.6.1.6.28.
- ALTER TABLE .. DROP UNIQUE
- 3.6.1.6.29.
- ALTER TABLE .. DROP FOREIGN KEY
- 3.6.1.6.30.
- ALTER TABLE .. DROP CONSTRAINT IF EXISTS
- 3.6.1.6.31.
- ALTER TABLE IF EXISTS
- 3.6.1.7.
- ALTER TYPE
- 3.6.1.7.1.
- ALTER TYPE .. RENAME
- 3.6.1.7.2.
- ALTER TYPE .. for enum alterations
- 3.6.1.8.
- ALTER VIEW
- 3.6.1.8.1.
- ALTER VIEW .. AS (new)
- 3.6.1.8.2.
- ALTER VIEW .. COMMENT
- 3.6.1.8.3.
- ALTER VIEW .. RENAME
- 3.6.1.8.4.
- ALTER VIEW IF EXISTS
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