SQL 19 SQL Multiple-Row Subqueries
• Multiple-row subqueries
– Use IN, ALL, or ANY
• Multiple-column subqueries
Using the ALL Operator
in Multiple-Row Subqueries
Multiple-Column Subqueries
• A multiple-column subquery returns more than one column
to the outer query.
• Column comparisons in multiple column comparisons can
be pairwise or nonpairwise.
• A multiple-column subquery can also be used in the FROM
clause of a SELECT statement.
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