MyBB Community Forums

I have limitation of 50mb in mysql so i want to know if it full then there is a way to add more account in single script. If yes please tell me. If not then tell another way.

2. Can i add more than one domain in my forums.

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And one more thing that what is memory usage written in admin panel at footer.

1) Yes use something like SQLite.
2) Explain more.
3) Its server stats so you can see how fast your forum is loading, and how many queries to the database

can i add more than one domain in mybb single script?
like my board domain is - mastiland.cz.cc
i want to add this domain - mymasti.tk
so i user also come to mymasti.tk