資料庫查詢錯誤，條件是 select main.chinesef, COALESCE( ttvh.chap) as chap,COALESCE( ttvh.sec) as sec,COALESCE( ttvh.id) as id,main.engs,ttvh.txt from ttvh,main where main.engs=COALESCE( ttvh.engs) and main.chineses='' and COALESCE( ttvh.chap)= order by ttvh.id !