period for system_time

BigQueryDb2 (LUW)MariaDBMySQLOracle DBPostgreSQLSQL ServerSQLite200520072009201120132015201720192021⊘ 3.5.7 - 3.40.0✓ 2016+⊘ 2008R2 - 2014⊘ 8.3 - 15⊘ 11gR1 - 21ca⊘ 5.0 - 8.0.31✓ 10.3+⊘ 5.1 - 10.2⚠ 10.5 - 11.5.7b⊘ 9.7⊘ 2.0
  1. Oracle’s “Flashback” offers similar functionality with a proprietary syntax
  2. Without keyword for (period system_time (…))