无法连接到数据库：用户''@ localhost'拒绝访问数据库'socialdb'

Question

I've seen a few errors like this, but I found no answer.

Unable to connect to database: Access denied for user ''@'localhost' to database 'socialdb'

socialdb is my database. The "Unable to connect to database:" part is located here.

$db = mysql_select_db("socialdb",$con);

if(!$db) {

    die ('Unable to connect to database: ' . mysql_error());

    }

I don't know what's causing this. Here are my mysql_connect details

<?php
$con = mysql_connect("localhost");

if(!$con) {

    die ('Error: ' . mysql_error());

    }

I need to find the root. Thanks.

I DON'T HAVE A USERNAME OR PASSWORD FOR MySQL

Should it be this?

mysql_connect("localhost","","");

Answer 1

The error is pretty self-explanatory, you're not allowed to connect without specifying some credentials.

Change your call to mysql_connect() to something like this:

mysql_connect("localhost", "user", "password");