SELECT COUNT(DISTINCT `wr_parent`) AS `cnt` FROM g4_write_deep WHERE ((INSTR(wr_subject, '移댁���끂留덉���똿臾몄쓽堊녳걛�뀛�젅洹몃옩')>0) and (INSTR(LOWER(wr_subject), LOWER('uy454�걝移댁���끂留덉���똿����뻾�궗衲移댁���끂愿묎퀬���훲移댁���끂留덉���똿臾몄쓽�윫볦뭅吏��끂援ш���뾽泥닯튌移댁���끂�뜢移댁���끂留덉���똿臾몄쓽�삸移댁���끂�넍移댁���끂留덉���똿臾몄쓽阿�'))>0) )
Illegal mix of collations (utf8_general_ci,IMPLICIT) and (euckr_korean_ci,COERCIBLE) for operation 'locate' : 1267