source & target visible in set

BigQueryDb2 (LUW)DuckDBH2Oracle DBPostgreSQLSQL Server2007200920112013201520172019202120232025✓ 2008R2 - 2025a✓ 15 - 18✓ 11gR1 - 23.26.0a✓ 1.4.198 - 2.4.240a✓ 1.4.0+✓ 9.7 - 12.1.2a✓ 2.0a
  1. The target name is also visible on the left-hand side, which is not covered by standard SQL’s BNF syntax: update set <target>.<col-name> = …