Databases & Query Languages Cheatsheets

A quick reference for Memcached, covering basic commands, data management, and common use cases. Ideal for developers needing a fast, distributed memory object caching system.

A comprehensive cheat sheet for Elasticsearch, covering essential concepts, query syntax, API endpoints, and common operations.

A concise reference for GraphQL syntax, schema definition, queries, mutations, and common directives, designed for quick lookup and efficient development.

A comprehensive guide to Amazon Aurora, covering its architecture, features, SQL commands, and best practices for optimal database management and performance.

A quick reference guide to PostgreSQL, covering essential commands, data types, functions, and syntax for database management and querying.

A quick reference guide to SQLite, covering essential commands, data types, and query syntax for database management and manipulation.

A comprehensive guide to Google Firestore, covering data modeling, querying, security rules, and common operations. Ideal for developers building scalable, real-time applications.

A quick reference guide for IBM Db2, covering essential commands, data types, SQL syntax, and administrative tasks.

A quick reference guide to the Solr Query Language (SQL), covering syntax, operators, functions, and best practices for effective searching and data retrieval within Solr.