ALTER TABLE `cdb_forums` ADD `board_name` char(50) NOT NULL;
ALTER TABLE `cdb_forums` DROP `board_name`
ALTER TABLE `cdb_forums` DROP `idx_push`
ALTER TABLE `cdb_favorites` DROP `dateline`
ALTER TABLE `cdb_members` DROP `now_img`
ALTER TABLE `cdb_members` DROP `idx_cloud`
ALTER TABLE `cdb_members` DROP `usr_geo`
DROP TABLE `cdb_savepoint`
DROP TABLE `cdb_geo_usage_simple`
DROP TABLE `cdb_geo_going`
DROP TABLE `cdb_geo_been`
DROP TABLE `cdb_plugin_now`
DROP TABLE `cdb_plugin_now_stats`
DROP TABLE `cdb_expense`
DROP TABLE `cdb_plugin_tod_project`
DROP TABLE `cdb_plugin_tod_task`