DB ERROR

=============================================================================
Mysql_Query : select count(*) from morning_search_table where uid <= '41120' and uid >= '41117' and search_word = '닔룞/湲곌퀎떇'
Mysql_Error : Illegal mix of collations (utf8_unicode_ci,IMPLICIT) and (euckr_korean_ci,COERCIBLE) for operation '='
Mysql Error Num : 1267

=============================================================================