6
You must edit your sql file in the SQL directory for that.
Normally InnoDB is also by default present in the MySQL database services. It offers addtional features to MyISAM. I don't know if MediaWiki is using these features or if it will still be working after the change.
Because I believe your problem lies in the length of the key due to the UTF-8 encoding, it will surprise me if changing to MyISAM will solve your problem.
I would try this:
le="color: #000000"><?php CREATE TABLE `xoops_mediawiki_categorylinks` ( cl_from int(8) unsigned NOT NULL default '0', cl_to varchar(255) binary NOT NULL default '', cl_sortkey varchar(86) binary NOT NULL default '', cl_timestamp timestamp NOT NULL, UNIQUE KEY cl_from(cl_from,cl_to), KEY cl_sortkey(cl_to (240),cl_sortkey), KEY cl_timestamp(cl_to,cl_timestamp) ) TYPE=InnoDB ;