但为了避免每次调用mysql_xxx()函数都要指定目标数据库,最好先用mysql_select_db()函数(它相当于SQL命令USE databasename )为后续操作选定一个默认数据库。 例:mysql_select_db("mycompany");db(datebase) 执行SQL语句 为了执行SQL命令,需要把它们作为一个字符串传递给mysql_query()函数.如果想访问的不是当前...
<html> <head> <title>学生信息管理</title> </head><body> <center> <h3>添加学生信息</h3> <form id="myform"name="myform"method="post"action="admin_stud_info_action.php?action=add"> <table> <tr> <td>学号</td> <td> <input id="sno"name="sno"type="text"/> </td> </tr> <...
1php artisan migrate:fresh --database=adminThe migrate:fresh command will drop all database tables regardless of their prefix. This command should be used with caution when developing on a database that is shared with other applications.
php$mydata=newciy_data();ciy_runJSON();$table='d_test';$msql=newciy_sql($table);$msql->where('truename like',get('truename'));$msql->order(get('order','id desc'));$pageno=getint('pageno',1);$pagecount=20;$msql->limit($pageno,$pagecount);$rows=$mydata->get($m...
数据库连接的配置文件(config/database.php)设置数据库的连接信息 class DataTest extends Controller// 数据库连接 { // url => http://localhost/tp5.1/public/index.php/index/data_test public function index() { $data = Db::table('tp_access')->select(); $data = Db::name('access')->select...
1php artisan migrate:fresh --database=adminThe migrate:fresh command will drop all database tables regardless of their prefix. This command should be used with caution when developing on a database that is shared with other applications.
首先,创建一个数据库名为mydata的数据库(或者是在MySQL命令行中输入create database 数据库名称;) mysql> create database mydata; Query OK, 1 row affected (0.01 sec) 1. 2. 如果删除该数据库,在这里可进行删除(或者是在MySQL命令行中输入drop database 数据库名称;) ...
echo "Database my_db created successfully\n"; } else { echo 'Error creating database: '.mysql_error()."\n"; } mysql_close($link); } 删除数据库的函数: function deleteDataBase(){ //删除一个数据表 $link=mysql_connect('localhost',"root",$password);//必须用root账号和密码登录 ...
$db = new MysqliDb ('host', 'username', 'password', 'databaseName');Advanced initialization:$db = new MysqliDb (Array ( 'host' => 'host', 'username' => 'username', 'password' => 'password', 'db'=> 'databaseName', 'port' => 3306, 'prefix' => 'my_', 'charset' => '...
<?php $host = 'mydemoserver.mysql.database.azure.com'; $username = 'myadmin'; $password = 'your_password'; $db_name = 'your_database'; //Establishes the connection $conn = mysqli_init(); mysqli_real_connect($conn, $host, $username, $password, $db_name, 3306); if (mysqli_...