from … for system_time …

BigQueryDb2 (LUW)MariaDBMySQLOracle DBPostgreSQLSQL ServerSQLite200520072009201120132015201720192021⊘ 3.5.7 - 3.39.0⚠ 2016 - 2019c⊘ 2008R2 - 2014⊘ 8.3 - 14⊘ 19c - 21cd⊘ 11gR1 - 18c⊘ 5.0 - 8.0.30⚠ 10.3 - 10.9.2c⊘ 5.1 - 10.2⚠ 10.5 - 11.5.7c⊘ 9.7⚠ 2.0ab
  1. Without DDL (automatically)
  2. Only FOR SYSTEM_TIME AS OF
  3. Some minor omissions and variations
  4. Alternative syntax. E.g. no for system_time