【单选题】在PHP中使用MySQLi扩展访问mysql数据库,用于释放结果集的函数是: A. mysql_free_result() B. mysqli_close() C. mysqli_free_result() D. mysqli_real_escape_string()

mysqli_close() 函数用于关闭先前打开的数据库连接，成功返回TRUE

查看是否开启mysqli扩展，需要查看_____配置文件。

在下列php.ini的配置项中，哪一项可以开启MySQLi扩展（） A: extension=mysql B: extension=mysqli C: extension=pdo_mysql D: extension=oracle

下面( )函数从结果集中取得一行记录，返回的只是数字索引数组。 A: mysqli_query B: mysqli_fetch_array C: mysqli fetch row D: mysqli fetch assoc

The air-conditioner is running in the winter and to be stopped, we should（） A: close Fan and Humidifier at the same time B: firstly close Fan and then close humidifier immediately C: firstly close humidifier and then close Fan immediately D: firstly close humidifier and then close Fan after 30 second

But American friends may not be close, or they are close with ______ .

下面正确的关闭文件的语句格式是( ) A: close(变量名) B: .close() C: close(文件名) D: .close

I wanted so much to_________ my store and go traveling in the heated summer. A: close on B: close in C: close up D: close to

PHP选择MySQL数据库所使用的函数是 A: mysql_connect( ) B: mysql_select_db( ) C: mysqli_query( ) D: mysqli_close( )