Inout parameters

BigQueryDb2 (LUW)MariaDBMySQLOracle DBPostgreSQLSQL ServerSQLite2005200720092011201320152017201920212023⚠ 2017 - 2022a✓ 18+c✓ 14 - 17⚠ 18c - 23.9b⊘ 11gR1 - 12cR2✓ 5.0 - 9.4.0✓ 10.3 - 12.0.2⊘ 5.1 - 10.2✓ 11.1 - 12.1.2⊘ 2.0
  1. Proprietary syntax: <varname> <type name> output (output has inout semantics)
  2. Proprietary syntax: <varname> in|out|in out <type name>
  3. Not supported by the latest JDBC driver, which I use for testing