-- EDIT BY Aokromes --
If you get "unknown column" "missing table" "Duplicate column" errors:
use mysql --default-character-set=utf8 to avoid import failures because timeout/mysql gone away/etc
1) Clone desired branch.
2) Import sql/create/create_mysql.sql
3) start core
4) leave core to update databases.
Our Wiki: http://collab.kpsn.org/display/tc/TrinityCore+Home