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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 Topics

Basic

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182Duplicate EmailsEasySoln.

SQL Command

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Join

  • Simple Join
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  • Advanced Join
#TitleDifficultySolution

Subquery

  • Simple Subquery
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  • Advanced Subquery
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  • Recursive CTE
#TitleDifficultySolution

Window Function

#TitleDifficultySolution

CASE WHEN or IIF

#TitleDifficultySolution

OFFSET FETCH

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PIVOT and UNPIVOT

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Variable

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LeetCode SQL Questions by ID

#TitleDifficultySolution

About

This repository is for everyone who is preparing for SQL interview questions. Common pitfalls, anti-patterns and handy tricks are discussed. Sample databases and answer playground are provided.

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