What is multiple subquery in SQL?

Can you use multiple subqueries in SQL?

Multiple row subquery returns one or more rows to the outer SQL statement. You may use the IN, ANY, or ALL operator in outer query to handle a subquery that returns multiple rows.

What is multiple column subquery in SQL?

Multiple-column subqueries enable you to combine duplicate WHERE conditions into a single WHERE clause. Column comparisons in a multiple-column subquery can be pairwise comparisons or nonpairwise comparisons. You can use a subquery to define a table to be operated on by a containing query.

What is a subquery in SQL?

A subquery is a query that is nested inside a SELECT , INSERT , UPDATE , or DELETE statement, or inside another subquery.

What are types of subquery in SQL?

Type of Subqueries Single row subquery : Returns zero or one row. Multiple row subquery : Returns one or more rows. Multiple column subqueries : Returns one or more columns. Correlated subqueries : Reference one or more columns in the outer SQL statement.