![]() ![]() This brings many nice features like joining tables in different databases or copying data between databases in a single command. SQLite allows a single database connection to access multiple database files simultaneously. It means you can store any value in any column, regardless of the data type. In other words, all changes within a transaction take place completely or not at all even when an unexpected situation like application crash, power failure, or operating system crash occurs. It means all queries and changes are Atomic, Consistent, Isolated, and Durable. TransactionalĪll transactions in SQLite are fully ACID-compliant. In addition, SQLite does not use any configuration files. There is no server process that needs to be configured, started, and stopped. Zero-configurationīecause of the serverless architecture, you don’t need to “install” SQLite before using it. If you want to develop an application that uses SQLite, you just need to drop these files into your project and compile it with your code. The source code is available as a big sqlite3.c and its header file sqlite3.h. This makes SQLite usable in any environment especially in embedded devices like iPhones, Android phones, game consoles, handheld media players, etc. SQLite is self-contained means it requires minimal support from the operating system or external library. The following diagram illustrates the SQLite server-less architecture: Self-Contained The applications interact with the SQLite database read and write directly from the database files stored on disk. SQLite database is integrated with the application that accesses the database. The following diagram illustrates the RDBMS client/server architecture: This is called client/server architecture. The applications that want to access the database server use TCP/IP protocol to send and receive requests. Normally, an RDBMS such as MySQL, PostgreSQL, etc., requires a separate server process to operate. SQLite has the following noticeable features: self-contained, serverless, zero-configuration, transactional. The lite in SQLite means lightweight in terms of setup, database administration, and required resources. SQLite is a software library that provides a relational database management system. ![]() Summary: This tutorial gives you a brief overview of SQLite and the SQLite’s distinctive features that make SQLite the most widely deployed SQL database engine. ![]()
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