皮皮学，免费搜题
登录
搜题
【单选题】
products表和order_items表的数据如下: products: product_id product_name 1 intel c/8/hq 2 cpu d300 3 hd 8gb/i 4 hd 12gb /r order_items: order_id product_id qty unit_price 11 1 10 100 22 2 15 120 33 3 10 50 44 1 5 10 66 2 20 125 select p.product_id,i.item_cnt from (select product_id,count(*) item_cnt from order_items group by product_id) i right outer join products p on i.product_id=p.product_id; 这条sql语句执行的结果是:A.
正确运行
B.
不能执行，因为内嵌视图和外连接不能同时使用
C.
不能执行，因为别名item_cnt不能再外层查询中使用
D.
不能执行，因为group by不能用在内嵌视图中
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【简答题】( 2016 年单选题)下列各项中,应计入资产负债表“其他应收款”项目的是(
)。A. 应付租入包装物的租金 B. 销售商品应收取的包装物租金 C. 应付经营租赁固定资产的租金 D. 无力支付到期的银行承兑汇票
【单选题】【应收预付•单选题】下列各项中,应计入资产负债表“其他应收款”项目的是( )。
A.
应付租入包装物的租金
B.
销售商品应收取的包装物租金
C.
应付短期租入固定资产的租金
D.
无力支付到期的银行承兑汇票
【简答题】If a fashion show is _______ on Saturday, and you paint a sign ______ “ Fashion Show coming to the Exhibition Center on Saturday ” , that is an advertisement.A. held; to say B. held; said C. to be hel...
【简答题】If a fashion show __________(将举办)on Saturday, and you paint a sign ________(写着)" Fashion Show coming to the Exhibition Center on Saturday", that is an advertisement.
【单选题】—Will you go to the fashion show on Saturday? —Yes，I will if I______. [ ]
A.
will be invited
B.
has invited
C.
was invited
D.
am invited
【简答题】注:请填写代号。 Are you a fashion slave, 1 _______ all your money on the latest clothes even if you don't look good in them, or a fashion fan, enjoying wearing modern clothes but not obsessed by them? E...
【单选题】—Will you go to the fashion show this weekend? —Yes, I will, if I _________. [ ]
A.
invited
B.
has invited
C.
am invited
【简答题】试以内孔加工、平面加工进行系统综合分析。并总结功能分析求解方案的特点。
【单选题】You'll have to______early if you want to see that fashion show.
A.
book
B.
accommodate
C.
research
D.
action
【简答题】Are you a fashion slave, 1 _______ all your money on the latest clothes even if you don't look good in them, or a fashion fan, enjoying wearing modern clothes but not obsessed by them? Every year...
相关题目：
参考解析：
知识点：
题目纠错 0
发布
