#query Cheatsheets

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

A comprehensive guide to SQL syntax, commands, and best practices for data manipulation and database management.

A comprehensive cheatsheet covering GraphQL syntax, queries, mutations, schema definition, and best practices for designing and implementing GraphQL APIs.

A comprehensive cheat sheet for Microsoft SQL Server, covering essential commands, syntax, and functions for database management and querying.

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

A comprehensive guide to Apache CouchDB, covering basic concepts, querying, administration, and common tasks.

A concise guide to using Realm, covering schema definition, CRUD operations, queries, and relationships.

A quick reference guide for commonly used MySQL commands and syntax, covering data definition, data manipulation, user management, and more.

A quick reference guide to MongoDB commands, syntax, and operations for developers and database administrators.

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

A quick reference guide to SQL joins, covering different types of joins, their usage, and examples. This cheatsheet provides a visual and practical understanding of how to combine data from multiple tables in SQL.