Correlated subquery

In a SQL database query, a correlated subquery (also known as a synchronized subquery) is a subquery (a query nested inside another query) that uses…

Papers overview

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2016

2013

A feature of PROC SQL which provides flexibility to SAS users is that of a SUBQUERY. A SUBQUERY is a query inside a query. A…

2007

This paper presents a technique to avoid redundant join condition in SQL queries by forcing execution order for outer queries and…