PHP connection mysql database code_PHP tutorial

Copy code The code is as follows:

mysql_connect("localhost", "root","1981427") //Connect to the server located at localhost, the user name is root
?>

Copy code The code is as follows:

@mysql_connect("localhost", "root","1981427")
or die("Database server connection failed");
?> ;

Copy code The code is as follows:

@ mysql_connect("localhost", "root","1981427") //You need to connect to the database server before selecting the database
or die("Database server connection failed");
@mysql_select_db("test") // Select database mydb
or die("Database does not exist or is unavailable");
?>

http://www.bkjia.com/PHPjc/319923.htmlwww.bkjia.comtruehttp: //www.bkjia.com/PHPjc/319923.htmlTechArticleCopy the code as follows: ?php mysql_connect("localhost", "root","1981427") //Connect The server located on localhost, the user name is root? Copy the code as follows: ?php @mysql_connect...