【单选题】有订单表orders,包含用户信息userid,产品信息productid,以下( )语句能够返回至少被订购过两回的productid?
A.
selectproductidfromorderswherecount(productid)>1
B.
selectproductidfromorderswheremax(productid)>1
C.
selectproductidfromorderswherehavingcount(productid)>1groupbyproductid
D.
selectproductidfromordersgroupbyproductidhavingcount(productid)>1
【判断题】公务员行为责任的方式是放弃公务员个人权利。
【判断题】批判性讨论的自由规则是指论辩双方不得彼此阻止对方提出立场,或者阻止对方质疑立场。()
【判断题】批判性讨论的自由规则是指论辩双方不得彼此组织对方提出立场,或者阻止对方质疑立场。()
【单选题】现有订单表 orders ,包含用户信息 userid 、产品信息 productid ,下列()能返回至少被订购过两次的 productid
A.
select productid from orders wherecount(productid)>1
B.
select productid from orders where max(productid)>1
C.
select productid from orders where havingcount(productid)>1 group by productid
D.
select productid from orders group by productid having count(productid)>1
【单选题】现有订单表orders,包含用户信息userid,产品信息productid,以下()语句能够返回至少被订购过两次的productid?
A.
SELECT productid FROM orders WHERE count(productid)>1
B.
SELECT productid FROM orders WHERE max(productid)>1
C.
SELECT productid FROM orders WHERE havingcount(productid)>1 group by productid
D.
SELECT productid FROM orders group by productid having count(productid)>1
【单选题】有订单表orders,包含用户信息userid,产品信息productid,以下( )语句能够返回至少被订购过两回的productid。
A.
SELECT productid FROM ordersWHERE count(productid)>1
B.
SELECT productid FROM ordersWHERE max(productid)>1
C.
SELECT productid FROM ordersHAVING count(productid)>1 GROUP BY productid
D.
SELECT productid FROM ordersGROUP BY productid HAVING count(productid)>1
【单选题】现有订单表orders,包含用户信息userid,产品信息productid,以下( )能够返回至少被订购过两回的productid。
A.
select productid from orders where count(productid)>1
B.
select productid from orders where max(productid)>I
C.
select productid from orders where having count(productid)>1group by productid
D.
select productid from orders group by productid having count(productid)>1
【判断题】中国是世界气候研究计划的参与国之一。()
【单选题】现有订单表orders,包含用户信息userid, 产品信息 productid, 以下()语句能够返回至少被订购过两回的productid
A.
select productid from orders where count(productid)>1
B.
select productid from orders where max(productid)>1
C.
select productid from orders where having count(productid)>1 group by productid_
D.
select productid from orders group by productid having count(productid)>1