SQLite 入门教程(一)基本控制台(终端)命令
一、基本简介
SQLite 是一个自持的(self-contained)、无服务器的、零配置的、事务型的关系型数据库引擎。因为他很小,所以也可以作为嵌入式数据库内建在你的应 用程序中。SQLite 被应用在 Solaris 10操作系统、Mac OS 操作系统、iPhone 和 Skype 中。QT4 、Python 、 PHP 都默认支持 SQLite ,Firefox Amarok 等流行的应用程序在内部也使用了 SQLite.
SQLite 数据库引擎实现了主要的 SQL-92 标准,引擎本身只有一个文件,大小不到 300k ,但是并不作为一个独立的进程运行,而是动态或者静态的链接到其他应用程序中。它生成的数据库文件是一个普通的磁盘文件,可以放置在任何目录下。 SQLite 本身是 C 语言开发的,开源也跨平台,并且被所有的主流编程语言支持。 相关资源
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二、下载安装
三、基本命令
2、命令行帮助:.help
四、数据库和表的相关命令


CREATE TABLE Cars(Id integer PRIMARY KEY, Name text, Cost integer);
INSERT INTO Cars VALUES(1,’Audi’,52642);
INSERT INTO Cars VALUES(2,’Mercedes’,57127);
INSERT INTO Cars VALUES(3,’Skoda’,9000);
INSERT INTO Cars VALUES(4,’Volvo’,29000);
INSERT INTO Cars VALUES(5,’Bentley’,350000);
INSERT INTO Cars VALUES(6,’Citroen’,21000);
INSERT INTO Cars VALUES(7,’Hummer’,41400);
INSERT INTO Cars VALUES(8,’Volkswagen’,21600);
COMMIT;
BEGIN TRANSACTION;
CREATE TABLE Orders(Id integer PRIMARY KEY, OrderPrice integer CHECK(OrderPrice>0),
Customer text);
INSERT INTO Orders(OrderPrice, Customer) VALUES(1200, “Williamson”);
INSERT INTO Orders(OrderPrice, Customer) VALUES(200, “Robertson”);
INSERT INTO Orders(OrderPrice, Customer) VALUES(40, “Robertson”);
INSERT INTO Orders(OrderPrice, Customer) VALUES(1640, “Smith”);
INSERT INTO Orders(OrderPrice, Customer) VALUES(100, “Robertson”);
INSERT INTO Orders(OrderPrice, Customer) VALUES(50, “Williamson”);
INSERT INTO Orders(OrderPrice, Customer) VALUES(150, “Smith”);
INSERT INTO Orders(OrderPrice, Customer) VALUES(250, “Smith”);
INSERT INTO Orders(OrderPrice, Customer) VALUES(840, “Brown”);
INSERT INTO Orders(OrderPrice, Customer) VALUES(440, “Black”);
INSERT INTO Orders(OrderPrice, Customer) VALUES(20, “Brown”);
COMMIT;
BEGIN TRANSACTION;
CREATE TABLE Friends(Id integer PRIMARY KEY, Name text UNIQUE NOT NULL,
Sex text CHECK(Sex IN (‘M’, ‘F’)));
INSERT INTO Friends VALUES(1,’Jane’, ‘F’);
INSERT INTO Friends VALUES(2,’Thomas’, ‘M’);
INSERT INTO Friends VALUES(3,’Franklin’, ‘M’);
INSERT INTO Friends VALUES(4,’Elisabeth’, ‘F’);
INSERT INTO Friends VALUES(5,’Mary’, ‘F’);
INSERT INTO Friends VALUES(6,’Lucy’, ‘F’);
INSERT INTO Friends VALUES(7,’Jack’, ‘M’);
COMMIT;
BEGIN TRANSACTION;
CREATE TABLE IF NOT EXISTS Customers(CustomerId integer PRIMARY KEY, Name text);
INSERT INTO Customers(Name) VALUES(‘Paul Novak’);
INSERT INTO Customers(Name) VALUES(‘Terry Neils’);
INSERT INTO Customers(Name) VALUES(‘Jack Fonda’);
INSERT INTO Customers(Name) VALUES(‘Tom Willis’);
CREATE TABLE IF NOT EXISTS Reservations(Id integer PRIMARY KEY,
CustomerId integer, Day text);
INSERT INTO Reservations(CustomerId, Day) VALUES(1, ‘2009-22-11’);
INSERT INTO Reservations(CustomerId, Day) VALUES(2, ‘2009-28-11’);
INSERT INTO Reservations(CustomerId, Day) VALUES(2, ‘2009-29-11’);
INSERT INTO Reservations(CustomerId, Day) VALUES(1, ‘2009-29-11’);
INSERT INTO Reservations(CustomerId, Day) VALUES(3, ‘2009-02-12′);
COMMIT;
BEGIN TRANSACTION;
CREATE TABLE Names(Id integer, Name text);
INSERT INTO Names VALUES(1,’Tom’);
INSERT INTO Names VALUES(2,’Lucy’);
INSERT INTO Names VALUES(3,’Frank’);
INSERT INTO Names VALUES(4,’Jane’);
INSERT INTO Names VALUES(5,’Robert’);
COMMIT;
BEGIN TRANSACTION;
CREATE TABLE Books(Id integer PRIMARY KEY, Title text, Author text,
Isbn text default ‘not available’);
INSERT INTO Books VALUES(1,’War and Peace’,’Leo Tolstoy’,’978-0345472403′);
INSERT INTO Books VALUES(2,’The Brothers Karamazov’,
‘Fyodor Dostoyevsky’,’978-0486437910′);
INSERT INTO Books VALUES(3,’Crime and Punishment’,
‘Fyodor Dostoyevsky’,’978-1840224306′);
COMMIT
7、导出某个表的数据: .dump 表名
如果我们每次进入命令行都要重新设置显示格式,很麻烦,其实 .show 命令列出的所有设置项都可以保存到一个 .sqliterc 文件中,这样每次进入命令行就自动设置好了。.sqlterc 文件在 Linux 下保存在用户的 Home 目录下,在 Windows 下可以保存到任何目录下,但是需要设置环境变量让数据库引擎能找到它,感兴趣的可以看看帮助。
原文:http://www.blogjava.net/myqiao/archive/2011/07/10/354049.html
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