Editing char_create_combinations

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I'm trying to enable a bunch of different race/class/deity combinations at the character creation screen. I thought I read long ago that this was only possible through ingame commands, but I've been reading threads with people mentioning char_create_combinations. So is this possible or what? If not, what's the point of the table?

I went into heidisql and opened the database in the SQL folder to edit this table, along with char_create_point_allocations and start_zones, but the character creation screen hasn't changed at all. I'm on titanium, so is this feature only for later clients or something?

I appreciate any help on this, thanks!