CREATE TABLE `mtree` ( `id` INT(10) UNSIGNED AUTO_INCREMENT PRIMARY KEY NOT NULL, `tprefix` VARCHAR(32) DEFAULT '' NOT NULL, `tvalue` VARCHAR(128) DEFAULT '' NOT NULL, CONSTRAINT tprefix_idx UNIQUE (`tprefix`) ); INSERT INTO version (table_name, table_version) values ('mtree','1'); CREATE TABLE `mtrees` ( `id` INT(10) UNSIGNED AUTO_INCREMENT PRIMARY KEY NOT NULL, `tname` VARCHAR(128) DEFAULT '' NOT NULL, `tprefix` VARCHAR(32) DEFAULT '' NOT NULL, `tvalue` VARCHAR(128) DEFAULT '' NOT NULL, CONSTRAINT tname_tprefix_tvalue_idx UNIQUE (`tname`, `tprefix`, `tvalue`) ); INSERT INTO version (table_name, table_version) values ('mtrees','2');