SQLite特性

来源：未知责任编辑：智问网络发表时间:2013-09-26 23:53　点击:次

SQLite特性：

事务是原子的，一致的，独立的，持久的（ACID），即使在使系统崩溃或掉电之后。
零配置——无需安装或管理。
实现了SQL92标准的绝大部分。（未能支持的特性）
将一个完整的数据库存储在一个单一的跨平台磁盘文件上。
支持TB级的数据库和GB级的字符串和二进制大对象。（请见limits.html）
代码轻巧：完全配置小于350KB；省略部分特性，可小于200KB。
对大部分常见的操作，快于流行的C/S数据库引擎。
API简单，易用。
用ANSI-C所写。与命令行工具相结合。对其他语言的支持单独可用。
源代码良好注释，分支测试覆盖率达100%。
单一的ANSI-C形式的源代码可用，可以简单地拖放到其他项目当中。
自包含：没有外部依赖。
跨平台：直接支持Unix (Linux and Mac OS X), OS/2, 和Windows (Win32 and WinCE)；可以很容易地移植到其他操作系统。
源代码在公共知识域中，可用于任何目的。（不过“May you do good and not evil. ”——愿你做好事，不要做坏事。）
附带一个独立的命令行界面客户端，可用于管理SQLite引擎。

SQLite建议应用场合：

作为应用文件格式。在应用中使用SQLite，而不是使用fopen()来生成XML文件或某些专有格式的文件来存储数据。这样你将避免额外写一个问题重重的分析器，你的数据将变得更加容易访问，更加跨平台，更新操作将具备事务性。
作为小电子器件的数据库。SQLite是手机、PDA、MP3、机顶盒以其其他小电子器件常用的数据库引擎。SQLite代码轻巧，能充分利用内存空间、磁盘空间以及带宽；高度可靠，并且无需数据库管理的维护。
作为网站数据库。因为它无需配置，将信息存储在磁盘文件上，SQLite是支撑中小型网站数据存储受欢迎的选择。
企业RDBMS的代用品。SQLite常被用作用于演示与测试目的的企业RDBMS的借用品。SQLite速度快，无需配置，使得它为测试省去很多事，也很容易搭建演示系统。

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英文原文：
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.
Implements most of SQL92. (Features not supported)
A complete database is stored in a single cross-platform disk file.
Supports terabyte-sized databases and gigabyte-sized strings and blobs. (See limits.html.)
Small code footprint: less than 350KiB fully configured or less than 200KiB with optional features omitted.
Faster than popular client/server database engines for most common operations.
Simple, easy to use API.
Written in ANSI-C. TCL bindings included. Bindings for dozens of other languages available separately.
Well-commented source code with 100% branch test coverage.
Available as a single ANSI-C source-code file that you can easily drop into another project.
Self-contained: no external dependencies.
Cross-platform: Unix (Linux and Mac OS X), OS/2, and Windows (Win32 and WinCE) are supported out of the box. Easy to port to other systems.
Sources are in the public domain. Use for any purpose.
Comes with a standalone command-line interface (CLI) client that can be used to administer SQLite databases.

Suggested Uses For SQLite:

Application File Format.Rather than using fopen() to write XML or some proprietary format intodisk files used by your application, use an SQLite database instead.You'll avoid having to write and troubleshoot a parser, your data will be more easily accessible and cross-platform, and your updates will be transactional.
Database For Gadgets.SQLite is popular choice for the database engine in cellphones,PDAs, MP3 players, set-top boxes, and other electronic gadgets.SQLite has a small code footprint, makes efficient use of memory,disk space, and disk bandwidth, is highly reliable, and requiresno maintenance from a Database Administrator.
Website Database.Because it requires no configuration and stores information in ordinarydisk files, SQLite is a popular choice as the database to back smallto medium-sized websites.
Stand-in For An Enterprise RDBMS.SQLite is often used as a surrogate for an enterprise RDBMS for demonstration purposes or for testing. SQLite is fast and requires no setup, which takes a lot of the hassle out of testing and which makes demos perky and easy to launch