README Curretnly Working on Upload Leetcode SQL Question Intro Finished ALL LeetCode SQL questions, and reorder to Summarize all questions based on difference topics. Checkout at SQL Question Website This github aims to Summary for SQL Interview Effeciently, and focus Specific Topic as needed, e.g. Join, Window Function, Recursive CTE and etc. If you with questions by ID order, you could jump to LeetCode SQL Questions by ID where I list all questions coverred in this repository. And for the first draft, I mainly focus on MySQL Currently. Table of Content LeetCode SQL Questions by Topcis Basic SQL Command Join Subquery Window Function CASE WHEN / IIF OFFSET FETCH PIVOT & UNPIVOT Variable LeetCode SQL Questions by ID LeetCode SQL Questions by Topics Basic # Title Difficulty Solution 182 Duplicate Emails Easy Soln. SQL Command # Title Difficulty Solution Join Simple Join # Title Difficulty Solution Advanced Join # Title Difficulty Solution Subquery Simple Subquery # Title Difficulty Solution Advanced Subquery # Title Difficulty Solution Recursive CTE # Title Difficulty Solution Window Function # Title Difficulty Solution CASE WHEN or IIF # Title Difficulty Solution OFFSET FETCH # Title Difficulty Solution PIVOT and UNPIVOT # Title Difficulty Solution Variable # Title Difficulty Solution LeetCode SQL Questions by ID # Title Difficulty Solution