Use the SQLite under VC

Source: Internet
Author: User
Tags exit documentation sqlite sqlite database

Introduction of SQLite

SQLite is a C-language open source database, mainly for embedded, you can also integrate it in your own desktop program, but also someone to replace access, as a background database.

SQLite supports most SQL92 standards, such as indexing, throttling, triggering, and viewing support.

Supports transactions with NULL, INTEGER, Real, TEXT, and BLOB data types.

Second, download SQLite

SQLite can be downloaded to the official site

Includes: Linux,mac OS X, compiled files under Windows, and source code, help documentation.

Three, the simple use of SQLite

3.1 Establishing a database

C:\sqlite-3_6_11> sqlite3.exe dbname.db

Sqlite3.exe followed by the database file name

3.2 Creating data tables

sqlite> create table users(userid varchar(20) PRIMARY KEY,
  ...> age int,
  ...> birthday datetime);

3.3 Adding records

insert into users values('wang',20,'1989-5-4');
insert into users values('li',22,'1987-11-16');

3.4 Query Records

select * from users order by birthday;

3.5 Deleting records

delete from users where userid='wang';

3.6 Exit SQLite

sqlite> .exit

The data structure of the SQLite database is stored in the "sqlite_master" table

Specific commands can be entered. Help view or refer to assistance documentation

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