Database integration for mobile devices refers to the process of connecting mobile applications with backend databases to store, retrieve, and manipulate data. This integration enables mobile apps to manage user data, synchronize content, and perform complex operations in real time. Mobile devices often rely on cloud-based databases or local storage solutions to ensure smooth functionality, even with intermittent connectivity. Common technologies for database integration include RESTful APIs, GraphQL, SQLite, Firebase, and cloud platforms like AWS or Google Cloud. Proper integration ensures data consistency, security, and optimal performance across diverse mobile environments.