unable to access database in mysql

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PHP

I am unable to access database. I have this code

<?php
$dbconnect = mysql_connect('127.0.0.1','ankurreyes','') or die('error onee');
mysql_select_db('likebutton',$dbconnect) or die('culdnt select database');
?>

when i load the page. it shows me culdnt select database


I checked table name, its likebutton .can someone tell me whats the mistake , I am doing?