Application programs should use this general outline for interacting with MySQL Initialize the MySQL client library by calling mysql_library_init(). This function exists in both the libmysqlclient C client library and the libmysqld embedded server li…

MySQL API C API Data Structures MYSQL This structure represents handler for one database connection. It is used for almost all MySQL functions. Do not try to make a copy of a MYSQL structure. There is no guarantee that such a copy will be usable. MYS…

CRUD table create table if not exists `student` ( `id` int auto_increment, `name` varchar(16) not null, `age` int not null, `address` varchar(128) not null, primary key (`id`) )ENGINE=InnoDB DEFAULT CHARSET=utf8; code // // Created by zhangrongxiang…

sqlite3 API Summary sqlite3 The database connection object. Created by sqlite3_open() and destroyed by sqlite3_close(). Each open SQLite database is represented by a pointer to an instance of the opaque structure named "sqlite3". It is useful to…

CRUD struct student typedef struct STUDENT { unsigned int id; unsigned char name[16]; unsigned int age; unsigned char address[64]; } Student; create table CREATE TABLE IF NOT EXISTS student( `id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `name` TEX…

mysql扩展库操作步骤如下: 1.连接数据库 2.选择数据库 3.设置操作编码 4.发送指令sql,并返回结果集     ddl:数据定义语句     dml:数据操作语句     dql:数据查询语句     dtl:事务操作语句 5.处理返回结果 6.释放资源,关闭连接*/ 1: <?php 2: header("Content-Type:text/html; charset=utf-8"); 3: /*在数据库创建一个表: 4: creat table TestDB 5:…

启用mysql扩展库 在php.ini文件中去配置mysql扩展库 extension=php_mysql.dll 可以通过 phpinfo() 查看当前php支持什么扩展库. 在sql扩展库中创建一张用户表 create table user1( id int primary key auto_increment, name varchar(32) not null, password varchar(64) not null, email varchar(128) not null, age…

1.使用php的MySQL扩展库操作MySQL数据库: php有3种方式操作MySQL数据库 (1)mysql扩展库 (2)mysqli扩展库 (3)pdo     mysql扩展库与mysql数据库区别 ? php设计者封装了一些方法去操作mysql数据库,这些方法集中起来形成了mysql扩展库.mysql数据库存放数据.     2.使用php的MySQL扩展库操作MySQL数据库案例: (1)环境搭建:启用MySQL数据库,在php.ini文件中配置使用MySQL数据库,        …

配置环境 配置php.ini文件让php支持mysqli扩展库 extension=php_mysqli.dll 建库建表 详见博客 “mysql扩展库操作mysql数据库” 查询数据库 <?php //mysqli扩展库操作mysql数据库,面向对象 $mysqli=new MySQLi("localhost","root","root","test"); if($mysqli->connect_error){…

环境搭建 启用mysql扩展库,在php.ini文件中去配置mysql扩展库 extension=php_mysql.dll 查询数据库 1.建库建表 //建库testcreate database test;//用库testuse test;//建表user1create table user1( id int primary key auto_increment, name varchar(32) not null, password varchar(64) not null, age ti…