FROM (VALUES …) [AS] t

BigQueryDb2 (LUW)DuckDBH2MariaDBMySQLOracle DBPostgreSQLSQL ServerSQLite200820102012201420162018202020222024✓ 3.8.3 - 3.51.0✓ 2008R2 - 2025a✓ 8.3 - 18✓ 23.0 - 23.26.1a✓ 8.0.19 - 9.6.0✓ 10.3 - 12.2.2✓ 1.4.191 - 2.4.240✓ 1.0.0 - 1.4.0✓ 9.7 - 12.1.3
  1. Only with column names: t(a, b)