E071-03, “EXCEPT DISTINCT table operator”

BigQueryaDb2 (LUW)bH2bMariaDBMySQLOracle DBPostgreSQLSQL ServerbSQLitebexcept [distinct]
  1. Requires the keyword distinct explicitly
  2. Explicit keyword distinct not supported

Normative References

E071-03, “EXCEPT DISTINCT table operator”, is a mandatory feature of ISO/IEC 9075-2:2023. It was present in SQL:1999, which was the first revision of the SQL standard that enumerated the individual features. In SQL-92 except—without the optional keyword distinct—was part of the intermediate level.

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