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Querying Databases Using Transact-SQL

Comparing Values

Explore how to use ALL, ANY, and SOME clauses in T-SQL to compare a single value against multiple values returned by subqueries. Understand their differences and practical applications to filter data accurately in Microsoft SQL Server.

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The ALL(), SOME(), and ANY() clauses are often used along with subqueries in a WHERE statement. They are used to compare a single value with a range of values. Here’s the basic syntax:

SELECT * FROM TableSchema.TableName
WHERE SomeColumn > ANY([SELECT subquery that returns a range of values]);

Here, SomeColumn is compared with the values returned by the SELECT subquery. The exact behavior of the comparison is ...