Learn the pros and cons of subqueries and joins in SQL, and how to decide when to use them in your database development projects.

Subqueries are often used to retrieve data that will be used in the main query to further filter, compare, or manipulate the results. Subqueries can appear in various parts of a SQL statement, ...

*Summary of 102 LeetCode SQL questions* This note aims to help people learn and review SQL efficiently. The first draft mainly focuses on T-SQL/MS SQL Server. - aysnrdurak/SQL-Notes-and-LeetCode-E ...