資料庫查詢錯誤，條件是 select main.chinesef, COALESCE( tcv2019.chap) as chap,COALESCE( tcv2019.sec) as sec,COALESCE( tcv2019.id) as id,main.engs,tcv2019.txt from tcv2019,main where main.engs=COALESCE( tcv2019.engs) and main.chineses='賽' and COALESCE( tcv2019.chap)=38 and (COALESCE( tcv2019.sec)>=1 and COALESCE( tcv2019.sec)<=8，21) order by tcv2019.id !