UPDATE Character
SET Class = ('17')
FROM Character inner join Memb_Stat on Character.Accountid=Memb_Stat.memb___id
WHERE Class = 16 AND Memb_Stat.ConnectStat = 0 AND clevel>149DK class change into BK

UPDATE Character
SET Class = ('1')
FROM Character inner join Memb_Stat on Character.Accountid=Memb_Stat.memb___id
WHERE Class = 0 AND Memb_Stat.ConnectStat = 0 AND clevel>149DW class change into SM

UPDATE Character
SET Class = ('33')
FROM Character inner join Memb_Stat on Character.Accountid=Memb_Stat.memb___id
WHERE Class = 32 AND Memb_Stat.ConnectStat = 0 AND clevel>149
ELF