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This repository contains datasets and problem statements for 66 popular SQL questions from LeetCode. The goal is to practice solving SQL problems directly on Microsoft SQL Server using clean sample …

Dec 4, 2025 · These exercises serve beginners, intermediate, and advanced learners, providing hands-on experience with SQL tasks. We'll work on everything from basic data retrieval and filtering to …

The LeetCode SQL 50 Series is a structured study plan designed to help you master SQL by solving 50 commonly asked interview questions on LeetCode.

SQL mastery is essential for data engineers, analysts, and cybersecurity professionals. These LeetCode problems sharpen query optimization, joins, and subqueries—key for database security (SQL …

Oct 3, 2024 · In this blog, we've walked through a variety of SQL questions from LeetCode, covering both basic and intermediate topics. By practicing queries that involve SELECT statements, joins, and …

Nov 6, 2020 · Write an SQL query that reports the books that have sold less than 10 copies in the last year, excluding books that have been available for less than 1 month from today.

Nov 24, 2025 · In 2025, SQL practice tools range from free tutorials to interactive, job-ready simulators like Interview Query and LeetCode. Here’s a breakdown of the best platforms — whether you’re a …

Aug 1, 2022 · My goal is to practice 2-4 medium and hard questions everyday and start giving interviews for next week. Appreciate any tip and help. It’s a great start and could get you through but also …

This is the best place to expand your knowledge and get prepared for your next interview.