Polymorphic Table Functions

BigQueryDb2 (LUW)MariaDBMySQLOracle DBPostgreSQLSQL ServerSQLite200520072009201120132015201720192021⊘ 3.5.7 - 3.39.0⊘ 2008R2 - 2019⊘ 8.3 - 14b⚠ 18c - 21ca⊘ 11gR1 - 12cR2⊘ 5.0 - 8.0.30⊘ 5.1 - 10.9.2⊘ 9.7 - 11.5.7⊘ 2.0
  1. Proprietary syntax
  2. Functions returning setof record can return dynamic tables