@당진 심훈 생가(23.8.12)
SELECT COUNT(DISTINCT `wr_parent`) AS `cnt` FROM g4_write_column WHERE ((INSTR(wr_subject, '�����')>0) )
Illegal mix of collations (utf8mb3_general_ci,IMPLICIT) and (euckr_korean_ci,COERCIBLE) for operation 'locate' : 1267