Contains solved queries for the Hackerrank SQL (Basic) Skills Certification Test 🎓.

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• Updated Aug 24, 2022

This repo contains notes on SQL and PostgreSQL

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• Updated Oct 6, 2022
• PLpgSQL

Contains solved queries for the Hackerrank SQL (Intermediate) Skills Certification Test 🎓.

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• Updated Sep 2, 2023

Solved queries for the Hackerrank SQL (Intermediate) Skills Certification Test 🎓.

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• Updated Nov 20, 2023

Enhance AI assistants with a curated cybersecurity knowledge base to improve performance in penetration testing, code auditing, and red team operations.

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• Updated Oct 12, 2026

Hackerrank solutions

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• Updated Jan 11, 2023
• PHP

These Contain Some SQL Programming Solution of Hacker Rank😏

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• Updated Apr 29, 2023

Contains solved queries for the Hackerrank 🎓

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• Updated Aug 24, 2022

Solved queries for the Hackerrank SQL (Basic) Skills Certification Test 🎓.

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• Updated Nov 18, 2023

The solutions of all SQL HackerRank challenges updated on 2024

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• Updated Dec 9, 2024

Solved queries for the Hackerrank SQL (Basic) Skills Certification Test 🎓.

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• Updated Oct 11, 2023

Hackerrank-SQL-Advanced-Certificate-Test-Solutions

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• Updated Jul 19, 2025

Solved queries for the Hackerrank SQL (Intermediate) Skills Certification Test 🎓.

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• Updated Oct 11, 2023

Hackerrank-SQL-Intermediate-Certificate-Test-Solutions

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• Updated Jul 19, 2025