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Supported SQL Functionality : Select : Select Clause : From Clause : Subquery in a From Clause
  

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Subquery in a From Clause
Subqueries can be used in the From clause in place of table references (table_name).

Example

SELECT * FROM (SELECT * FROM emp WHERE sal > 10000) new_emp, dept WHERE new_emp.deptno = dept.deptno

See also

For more information about subqueries, see Subqueries.