that's right...

can be also like that....

ehh, sorry I didn't read good what you wrote...

Try to take a look in the taskpad or try these two:

sp_helpdb

sp_spaceused

I think you are backup up without overwriting old media....

This means your bak file grows until a backup set expires (if the option is on)

I usually never use cursors unless I don't have the time to make an alternative set based solution...