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Cheat Notes For Dummies

Cheatnotes for Dummies is an open-source collection of easy-to-understand cheat sheets for beginners, students, researchers, and professionals in IT.

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  1. sql-cheatsheet sql-cheatsheet Public template

    This comprehensive cheat sheet documents commonly used SQL elements, from basic syntax to advanced concepts. Whether you're a beginner learning SQL or an experienced developer needing a quick refer…

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  2. cheatnotes.github.io cheatnotes.github.io Public

    Cheatnotes for Dummies is an open-source collection of easy-to-understand cheat sheets for cybersecurity, ethical hacking, Linux, networking, SQL, programming, web development, and developer tools.…

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  3. cheatnotes cheatnotes Public template

    A modern open-source collection of cheat sheets, technical notes, commands, references, and learning resources for cybersecurity, programming, Linux, networking, databases, and developer tools.

  4. union-sql-injection-attack-cheatsheet union-sql-injection-attack-cheatsheet Public

    UNION-based SQLi is called the "Swiss Army knife" of SQL injection because it's the most versatile — once it works, you can read any table in the entire database with a single query, not just the o…

  5. php-cheatsheet php-cheatsheet Public

    A comprehensive guide to modern PHP development covering PHP 8.x features, object-oriented programming, database integration, API development, testing, and deployment. Learn best practices, design …

  6. javascript-cheatsheet javascript-cheatsheet Public

    Complete reference covering variables, functions, arrays, objects, ES6+, DOM, async/await, promises, classes, modules & more. From basics to advanced JS concepts with clear code examples.

Repositories

Showing 10 of 29 repositories
  • js-sql-injection-cheatsheet Public

    JavaScript SQL Injection Security Analysis: Mapping Vulnerable Functions, Injection Points, Automated Detection Tools, and Defense-in-Depth Mitigation Strategies for Modern Web Applications

    cheatnotes/js-sql-injection-cheatsheet’s past year of commit activity
    0 MIT 0 0 0 Updated May 14, 2026
  • sqlite-cheatsheet Public

    Comprehensive SQLite cheatsheet covering database management, CRUD, indexes, joins, transactions, FTS5, JSON, date functions, PRAGMA settings, performance tuning, and command-line tools. Includes 21 sections with syntax examples, best practices, and quick reference for beginners to advanced users.

    cheatnotes/sqlite-cheatsheet’s past year of commit activity
    0 MIT 0 0 0 Updated May 14, 2026
  • elasticsearch-cheatsheet Public

    Comprehensive Elasticsearch cheatsheet covering everything from basic concepts, CRUD operations, and query DSL to aggregations, mappings, performance tuning, security, and monitoring. Includes practical examples for indexing, searching, filtering, bulk operations, reindexing, and cluster health management.

    cheatnotes/elasticsearch-cheatsheet’s past year of commit activity
    0 MIT 0 0 0 Updated May 14, 2026
  • redis-cheatsheet Public

    Comprehensive Redis cheatsheet covering all data types (Strings, Lists, Sets, Hashes, Sorted Sets, Streams), commands, transactions, Lua scripting, Pub/Sub, replication, clustering, persistence, security, monitoring, and optimization. Perfect for developers and DB admins seeking a complete quick-reference guide.

    cheatnotes/redis-cheatsheet’s past year of commit activity
    0 MIT 0 0 0 Updated May 14, 2026
  • mssql-cheatsheet Public

    Comprehensive MS SQL Server cheatsheet covering queries, joins, aggregations, CTEs, indexes, DDL/DML, transactions, stored procedures, functions, triggers, error handling, dynamic SQL, and performance tuning. Includes syntax examples, data types, constraints, and system functions.

    cheatnotes/mssql-cheatsheet’s past year of commit activity
    0 MIT 0 0 0 Updated May 14, 2026
  • oracledb-cheatsheet Public

    Comprehensive Oracle Database cheatsheet covering connections, security, DDL/DML, queries, functions, PL/SQL, procedures, triggers, indexes, performance, backup, and data dictionary views. Includes syntax examples and quick references for developers and DBAs.

    cheatnotes/oracledb-cheatsheet’s past year of commit activity
    0 MIT 0 0 0 Updated May 14, 2026
  • mongodb-cheatsheet Public

    Complete MongoDB cheatsheet covering databases, collections, CRUD operations, query/update operators, aggregation pipeline, indexing, data types, performance tuning, and best practices. Includes practical examples for both beginners and advanced developers working with MongoDB.

    cheatnotes/mongodb-cheatsheet’s past year of commit activity
    0 MIT 0 0 0 Updated May 13, 2026
  • postgresql-cheatsheet Public

    Comprehensive PostgreSQL cheatsheet covering installation, connections, databases, tables, data types, CRUD, constraints, indexes, queries, joins, aggregations, CTEs, views, functions, triggers, transactions, users, backup/restore, performance tuning, monitoring, JSONB, full-text search, partitioning, system tables & more.

    cheatnotes/postgresql-cheatsheet’s past year of commit activity
    0 MIT 0 0 0 Updated May 13, 2026
  • mariadb-cheatsheet Public

    Complete MariaDB cheatsheet covering installation, user management, CRUD, joins, indexes, stored procedures, triggers, transactions, backup/restore, performance tuning, JSON functions, security, and more. Includes practical examples and quick reference for developers and DBAs.

    cheatnotes/mariadb-cheatsheet’s past year of commit activity
    0 MIT 0 0 0 Updated May 13, 2026
  • mysql-cheatsheet Public

    Comprehensive MySQL cheatsheet covering databases, tables, CRUD, joins, indexes, constraints, functions, stored procedures, triggers, views, users, transactions, backup/restore, and performance optimization—with practical SQL examples throughout.

    cheatnotes/mysql-cheatsheet’s past year of commit activity
    0 MIT 0 0 0 Updated May 13, 2026
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