wp_tm_history_cache
StaticA cache table that stores temporary computed or fetched data.
Safe to delete?
If you have uninstalled RSVPMaker for Toastmasters, this table is generally safe to remove. However, always back up your database first.
Note: Some plugins share tables or are dependencies of other plugins. Verify nothing else depends on this table before dropping it.
How to remove this table
DROP TABLE IF EXISTS `wp_tm_history_cache`;
Run this query using phpMyAdmin, Adminer, or your MySQL client. Back up first.
Other tables from RSVPMaker for Toastmasters