设有订单表order(其中包括的字段有订单号、客户号、职员号、签订日期、金额),查询2007年所签订单的信息,并按金额降序排序,正确的SQL命令是
①
SELECT*FROM order WHERE YEAR(签订日期)=2007 BY 金额 DESC
②
SELECT*FROM order WHILE YEAR(签订日期)=2007 BY 金额 ASC
③
SELECT*FROM order WHERE YEAR(签订日期)=2007 BY 金额 ASC
④
SELECT*FROM order WHILE YEAR(签订日期)=2007 BY 金额 DESC