source & target visible in set

Apache DerbyBigQueryDb2 (LUW)H2Oracle DBPostgreSQLSQL Server20072009201120132015201720192021✓ 2008R2 - 2022a✓ 15 - 16✓ 11gR1 - 21ca✓ 1.4.198 - 2.2.220a✓ 9.7 - 11.5.8a✓ 2.0a✓ 10.15.1.3 - 10.16.1.1a
  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> = …