Understanding SQL SELECT Statement

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SELECT * FROM employees WHERE department_id IN (SELECT department_id FROM departments
WHERE location = 'New York');

This query will retrieve all columns from the “employees” table where the department ID is in the result set of the subquery, which retrieves the department IDs of departments located in New York.

Viabyte, in this article, we explored the SQL SELECT statement and its various features. We learned how to retrieve specific columns, filter rows, sort data, limit the result set, group data, join tables, and use functions and subqueries.

Understanding the SELECT statement is crucial for querying databases effectively. By mastering this powerful tool, you can retrieve the data you need and optimize your database queries. Happy querying, and see you in our next informative articlel.

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