That Is a Correlated Subquery

Q

That Is a Correlated Subquery?

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A

Correlated Subquery is a subquery that is evaluated once for each row processed by the parent statement. Parent statement can be Select, Update or Delete. Use Correlated Subquery to answer multipart questions whose answer depends on the value in each row processed by parent statement.

2007-04-15, 4854👍, 0💬

What Is a Join
What Is a Join? Join is the form of SELECT command that combines info from two or more tables. Types of Joins are Simple (Equijoin and Non-Equijoin), Outer and Self join. Equijoin returns rows from two or more tables joined together based upon a equality condition in the WHERE clause. Non-Equijoin r... 2007-04-15, 5092👍, 0💬

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In What Order Different Parts of SQL Statements Are Executed
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What Is a Sequences
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What Are Synonyms
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What Are Group Functions
What Are Group Functions? Group Functions returns results based upon groups of rows rather than one result per row, use group functions. They are AVG, COUNT, MAX, MIN and SUM. 2007-04-15, 4792👍, 0💬

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