ALTER DATABASE CHARACTER SET utf8;

ALTER TABLE `auditlog_details` CONVERT TO CHARACTER SET utf8 COLLATE utf8_general_ci;
ALTER TABLE `autoreg_host` CONVERT TO CHARACTER SET utf8 COLLATE utf8_general_ci;
ALTER TABLE `expressions` CONVERT TO CHARACTER SET utf8 COLLATE utf8_general_ci;
ALTER TABLE `globalmacro` CONVERT TO CHARACTER SET utf8 COLLATE utf8_general_ci;
ALTER TABLE `graph_theme` CONVERT TO CHARACTER SET utf8 COLLATE utf8_general_ci;
ALTER TABLE `help_items` CONVERT TO CHARACTER SET utf8 COLLATE utf8_general_ci;
ALTER TABLE `history_log` CONVERT TO CHARACTER SET utf8 COLLATE utf8_general_ci;
ALTER TABLE `history_text` CONVERT TO CHARACTER SET utf8 COLLATE utf8_general_ci;
ALTER TABLE `hostmacro` CONVERT TO CHARACTER SET utf8 COLLATE utf8_general_ci;
ALTER TABLE `items` CONVERT TO CHARACTER SET utf8 COLLATE utf8_general_ci;
ALTER TABLE `maintenances` CONVERT TO CHARACTER SET utf8 COLLATE utf8_general_ci;
ALTER TABLE `maintenances_groups` CONVERT TO CHARACTER SET utf8 COLLATE utf8_general_ci;
ALTER TABLE `maintenances_hosts` CONVERT TO CHARACTER SET utf8 COLLATE utf8_general_ci;
ALTER TABLE `maintenances_windows` CONVERT TO CHARACTER SET utf8 COLLATE utf8_general_ci;
ALTER TABLE `node_cksum` CONVERT TO CHARACTER SET utf8 COLLATE utf8_general_ci;
ALTER TABLE `opmediatypes` CONVERT TO CHARACTER SET utf8 COLLATE utf8_general_ci;
ALTER TABLE `proxy_autoreg_host` CONVERT TO CHARACTER SET utf8 COLLATE utf8_general_ci;
ALTER TABLE `proxy_history` CONVERT TO CHARACTER SET utf8 COLLATE utf8_general_ci;
ALTER TABLE `regexps` CONVERT TO CHARACTER SET utf8 COLLATE utf8_general_ci;
ALTER TABLE `timeperiods` CONVERT TO CHARACTER SET utf8 COLLATE utf8_general_ci;
ALTER TABLE `user_history` CONVERT TO CHARACTER SET utf8 COLLATE utf8_general_ci;