sql

📘 SQL Challenges for Data Analytics – With Explanation 🧠 (Beginner ➡️ Advanced) 1️⃣ Select Specific Columns SELECT name, email FROM users; This fetches only the name and email columns from the users table. ✔️ Used when you don’t want all columns from a table. 2️⃣ Filter Records with...

This is an SQL injection cheatsheet with tried and true payloads / techniques that cover the 5 most popular database variants and their derivatives (MySQL, PostgreSQL, MSSQL/SQL Server, Oracle, SQLite). Key Some payloads contain placeholders which need to be replaced with specific values before...