교육자료
Software education use coding robot, Coconut.
수업자료
select distinct wr_parent from g4_write_edu_data where INSTR(ca_name, '�뒪�겕�옒移�') and (wr_num between '-22' and '9978')
1267 : Illegal mix of collations (utf8_general_ci,IMPLICIT) and (euckr_korean_ci,COERCIBLE) for operation 'locate'
error file : /gnuboard4/bbs/board.php