Fatal error: Maximum execution time of 300 seconds exceeded with phpMyAdmin

Fatal error: Maximum execution time of 300 seconds exceeded with phpMyAdmin

see file :   \phpMyAdmin\libraries\config.default.php

 * maximum execution time in seconds (0 for no limit)

 *

 * @global integer $cfg['ExecTimeLimit']

 */

 $cfg['ExecTimeLimit'] = 300;

==> for import/export large data, we can  incre exec time limit, i have change to 0 for unlimited.