SQL Server Interview Question #13

What is DQL?

SQL Server Fundamentals Junior Beginner

Detailed Explanation

DQL stands for Data Query Language and primarily refers to retrieving data with SELECT. SELECT queries can include filtering, sorting, joins, grouping, subqueries, CTEs, and window functions.

Retrieving data efficiently is one of the most important SQL skills for application developers and database interviews.

Code Example

SELECT Id, Name, Price
FROM Products
WHERE Price > 100
ORDER BY Price DESC;