Can I use… with (non-recursive, top level)

The with clause defines “statement-scoped views”:

WITH query_name (column_name, …) AS (
     FROM …
) [, …]
  FROM query_name

2005200720092011201320152017201910.15.2.0Apache Derby2.00BigQuery11.51Db2 (LUW)1.4.1991.4.2002H210.210.3MariaDB8.0.11MySQL9iR219c2Oracle DB8.4PostgreSQL200520193SQL Server3. column names: WITH name AS (SELECT…)1With implies recursive. Qualified table names (schema.table) can see query names from with clause.2Query names in with don’t hide schema objects. With implies recursive.3With implies recursive.4With implies recursive. Views can see query names from with clauses outside the view.

Normative References

The with clause is defined in ISO/IEC 9075:2016-2 as optional feature T121.

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