F571: Boolean test

BigQueryDb2 (LUW)DuckDBH2MariaDBMySQLOracle DBPostgreSQLSQL ServerSQLite2005200720092011201320152017201920212023⚠ 3.5.7 - 3.51.0a⊘ 2008R2 - 2025✓ 8.3 - 18⚠ 23.4 - 23.26.0a⊘ 11gR1 - 23.0✓ 5.0 - 9.5.0✓ 5.1 - 12.1.2✓ 2.2.220 - 2.4.240✓ 1.4.200⚠ 1.4.192 - 1.4.198a✓ 1.0.0 - 1.4.0⚠ 11.5.0 - 12.1.2a⊘ 9.7 - 11.1✓ 2.0a⚠ 2.0a
  1. Kein is unknown. Is null kann stattdessen verwendet werden