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ALTER TABLE `vb_thread` ADD `time_check` INT( 10 ) NOT NULL DEFAULT '0' AFTER `taglist` ;
ALTER TABLE `vb_thread` ADD `ignore_check` TINYINT( 1 ) NOT NULL DEFAULT '0' AFTER `time_check` ;

Note: Where vb_ is the forum table prefix. Yours may be different so you may need to
change it to mach the prefix of your database tables.

How do i tell if i need to change the vb_ part and what would i need to change it to.