CHECK constraints

BigQueryDb2 (LUW)DuckDBH2MariaDBMySQLOracle DBPostgreSQLSQL ServerSQLite2007200920112013201520172019202120232025✓ 3.5.7 - 3.51.0✓ 2008R2 - 2025✓ 8.3 - 18✓ 11gR1 - 23.26.0✓ 8.0.16 - 9.5.0⊘ 5.0 - 8.0.11a✓ 10.2 - 12.1.2a⊘ 10.1a⊘ 5.1✓ 1.4.192 - 2.4.240✓ 1.0.0 - 1.4.0✓ 9.7 - 12.1.2⊘ 2.0
  1. Syntax is accepted, but constraint not properly validated (!)