Available in versions: Dev (3.21) | Latest (3.20) | 3.19 | 3.18 | 3.17 | 3.16 | 3.15 | 3.14 | 3.13 | 3.12 | 3.11
ALTER TABLE .. COMMENT
Applies to ✅ Open Source Edition ✅ Express Edition ✅ Professional Edition ✅ Enterprise Edition
For convenience, jOOQ supports MySQL's COMMENT syntax also on ALTER TABLE, which corresponds to the more standard COMMENT ON TABLE statement
// Specify a new comment on a table
create.alterTable("table").comment("a comment describing the table").execute();
Dialect support
This example using jOOQ:
alterTable("t").comment("comment")
Translates to the following dialect specific expressions:
Aurora MySQL, MariaDB, MemSQL, MySQL
ALTER TABLE t COMMENT 'comment'
Aurora Postgres, CockroachDB, DB2, Databricks, DuckDB, Exasol, Firebird, H2, HSQLDB, Hana, Oracle, Postgres, Sybase, Teradata, Trino, Vertica, YugabyteDB
COMMENT ON TABLE t IS 'comment'
BigQuery
ALTER TABLE t SET OPTIONS (DESCRIPTION = 'comment')
ClickHouse
ALTER TABLE t MODIFY COMMENT 'comment'
Snowflake
ALTER TABLE t SET COMMENT = 'comment'
SQLServer
BEGIN TRY DECLARE @u varchar(max) = schema_name(); EXEC sp_addextendedproperty 'MS_Description', 'comment', 'schema', @u, 'table', 't', DEFAULT, DEFAULT END TRY BEGIN CATCH EXEC sp_updateextendedproperty 'MS_Description', 'comment', 'schema', @u, 'table', 't', DEFAULT, DEFAULT END CATCH
ASE, Access, Derby, Informix, Redshift, SQLDataWarehouse, SQLite
/* UNSUPPORTED */
Generated with jOOQ 3.21. Support in older jOOQ versions may differ. Translate your own SQL on our website
Feedback
Do you have any feedback about this page? We'd love to hear it!