SQLite is a C-language library that implements a small, fast, self-contained, high-reliability, full-featured, SQL database engine. It is often used for local/client storage in applications. Key points: - Created by D. Richard Hipp, it provides a lightweight disk-based database that doesn't require a separate server process and allows accessing the database using SQL queries. - The entire database is stored in a single cross-platform file and can be as small as 0.5MB, making it suitable for embedded and mobile applications. - It supports common data types like NULL, INTEGER, REAL, TEXT, and BLOB and is used in standalone apps, local