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ALTER TABLE .. ADD COLUMNS
Applies to ✅ Open Source Edition ✅ Express Edition ✅ Professional Edition ✅ Enterprise Edition
If multiple columns should be added atomically, and to save server round trips, some RDBMS support adding multiple columns to a table using a single ALTER TABLE statement.
// Adding several columns to a table in one go
create.alterTable("table").add(field(name("column1"), INTEGER), field(name("column2"), INTEGER)).execute();
Dialect support
This example using jOOQ:
alterTable("t").add(field("c1", INTEGER), field("c2", INTEGER))
Translates to the following dialect specific expressions:
ASE
ALTER TABLE t ADD c1 int NULL, c2 int NULL
Aurora MySQL, Aurora Postgres, MariaDB, MemSQL, MySQL, Postgres, YugabyteDB
ALTER TABLE t ADD c1 int, ADD c2 int
BigQuery
ALTER TABLE t ADD COLUMN c1 int64, ADD COLUMN c2 int64
ClickHouse
ALTER TABLE t ADD COLUMN c1 Nullable(integer), ADD COLUMN c2 Nullable(integer)
CockroachDB
ALTER TABLE t ADD c1 int4, ADD c2 int4
DB2
ALTER TABLE t ADD c1 integer ADD c2 integer
Firebird, Teradata
ALTER TABLE t ADD c1 integer, ADD c2 integer
H2
ALTER TABLE t ADD ( c1 int, c2 int )
Hana, Informix
ALTER TABLE t ADD ( c1 integer, c2 integer )
Oracle, Snowflake
ALTER TABLE t ADD ( c1 number(10), c2 number(10) )
SQLDataWarehouse, SQLServer
ALTER TABLE t ADD c1 int, c2 int
Access, Derby, DuckDB, Exasol, HSQLDB, Redshift, SQLite, Sybase, Trino, Vertica
/* UNSUPPORTED */
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