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dear all my code is showing error as Invalid query: No database selected the code is as follows <?php $dbc = mysql_connect("localhost", "root", "123456"); mysql_select_db("ahamdabad_vpn_ip$", $dbc); $sql = "select main_system from ahamdabad_vpn_ip$"; $result = mysql_query($sql); if (!$result) { die('Invalid query: ' . mysql_error()); } $username_array = array(); while($row=mysql_fetch_array($result)) { $username_array[] = "\"".$row[main_system]."\""; } $username_string = implode(",", $username_array); echo $username_string; ?>
