题目内容

php执行sql语句的函数是

A. mysql_connect()
B. mysql_query()
C. mysqli_connect()
D. mysqli_query()

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以下能正常执行sql的代码是$con=mysqli_connect('localhost','root','123456','yzdata');$sql="select * from userinfo";

A. $result=mysqli_query($sql,$con);
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C. $result=mysqli_query($con,$sql);
D. $result=mysqli_close($con,$sql);

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A. mysql_close($con);
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