SELECT COUNT(DISTINCT `wr_parent`) AS `cnt` FROM g4_write_QnA WHERE (( wr_name = '�0�용�0�0�' ) ) and (wr_num between '-118521' and '-108521')
Illegal mix of collations (utf8mb3_general_ci,IMPLICIT) and (euckr_korean_ci,COERCIBLE) for operation '=' : 1267