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Generated on 2026-08-28 07:00 | Confidential Client Asset

Subqueries

Published July 26, 2025 By Sai Sree Ram Gundepudi

What is a Subquery?

A subquery is a query nested inside another SQL statement. It can be used in SELECT, FROM, or WHERE clauses to return data that the outer query can use.

  • Scalar and Row Subqueries
  • Correlated Subqueries
  • IN, EXISTS, ANY, ALL conditions

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