SQLite is a C-language library that implements a small, fast, self-contained, high-reliability, full-featured, SQL database engine. SQLite is the most used database engine in the world.

The SQLite source code is maintained in three geographically-dispersed self-synchronizing Fossil repositories that are available for anonymous read-only access. Anyone can view the repository contents and download historical versions of individual files or ZIP archives of historical check-ins. You can also clone the entire repository.

The Command Line Interface or "CLI" is a simple command-line program that accepts SQL input text and passes it through to the SQLite database engine core to be executed.

Features Of SQLite Transactions are atomic, consistent, isolated, and durable (ACID) even after system crashes and power failures. Zero-configuration - no setup or administration needed. Full-featured SQL implementation with advanced capabilities like partial indexes, indexes on expressions, JSON, common table expressions, and window functions.

SQLite Release 3.49.1 On 2025-02-18 Prior changes from version 3.49.0 (2025-02-06): Enhancements to the query planner: Improve the query-time index optimization so that it works on WITHOUT ROWID tables. Better query plans for large star-query joins. This fixes three different performance regressions that were reported on the SQLite Forum.

Customizing And Porting SQLite → This document explains how to customize the build of SQLite and how to port SQLite to new platforms. Locking And Concurrency In SQLite Version 3 → A description of how the new locking code in version 3 increases concurrency and decreases the problem of writer starvation.

May 31, 2025 · 1.1. SQLite command-line program versus the SQLite library The SQLite library is code that implements an SQL database engine. The "sqlite3" command-line program or "CLI" is an application that accepts user input and passes it down into the SQLite library for evaluation. Understand that these are two different things. When somebody says "SQLite" or "sqlite3" …

Apr 16, 2025 · About SQLite SQLite is an in-process library that implements a self-contained, serverless, zero-configuration, transactional SQL database engine. The code for SQLite is in the public domain and is thus free for use for any purpose, commercial or private.

Apr 1, 2024 · SQL As Understood By SQLite SQLite understands most of the standard SQL language. But it does omit some features while at the same time adding a few features of its own. This document attempts to describe precisely what parts of the SQL language SQLite does and does not support. A list of SQL keywords is also provided.

Dec 3, 2012 · I was trying to do a svn cleanup because I can't commit the changes in my working copy, and I got the following error: sqllite: database disk image is malformed What can I do right now?