By default all MYSQL installs start out with a default userid of 'root' that has no password.
This is the same with WAMPServer.
phpMyAdmin has a config file, for wampserver2.5 its \wamp\apps\phpmyadmin4.1.14\config.inc.php
In there there is a parameter :-
$cfg['Servers'][$i]['user'] = 'root';
$cfg['Servers'][$i]['password'] = ''; <-- THIS ONE
If you chnage the 'root' accounts password you also have add that password in here, so phpMyAdmin can login to MySQL using the new password.
My other question is : Are you creating a MYISAM database or a INNODB database? As when you create MYISAM databases the option you are looking for does not exist as that feature belongs to INNODB databases.
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(Windows 10 Pro 64bit) (Wampserver 3.3.4 64bit) Aestan Tray Menu 3.2.5.4
<Apache versions MULTIPE> <PHP versions MULTIPLE> <MySQL Versions MULTIPLE>
<MariaDB versions MULTIPLE> <phpMyAdmin versions MULTIPLE> <MySQL Workbench 8.0.23>Read The Manuals Apache --
MySQL --
PHP --
phpMyAdminGet your Apache/MySQL/mariaDB/PHP ADDONs here from the
WAMPServer alternate Repo-X-X-X-
Backup your databases regularly Here is How dont regret it later! Yes even when developing -X-X-X-