SELECT RES_ID FROM S8_PRODUCT_LST WHERE (DISPLAY_FLG = '1') AND (DEL_FLG = '0') AND (CATEGORY_CODE = ) ORDER BY VIEW_ORDER ASC DB実行(fetch)失敗:SQLSTATE[42000]: Syntax error or access violation: 1064 You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ') ORDER BY VIEW_ORDER ASC' at line 10