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搜题
【单选题】
战略管理层所需信息的特性是A.
精度低、使用频率高、主要来自内部
B.
精度高、使用频率低、主要来自外部
C.
精度低、使用频率低、主要来自内部
D.
精度低、使用频率低、主要来自外部
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知识点：
皮皮学刷刷变学霸
举一反三
【单选题】category表中有一条数据是cid=1,cname=数码产品,在product表中有2条数据的cid=1,如果执行 select * from category join product on category.cid=product.cid,那么会查询出来多少条数据
A.
0
B.
1
C.
2
【单选题】B. Listen to the dialogues again and select the correct answers. 1. As for a new product or service, we should first solve the problem of _________.
A.
what its price is
B.
who our potential customers are
C.
how to conduct a research
D.
who our competitors are
【单选题】城乡规划法所称城乡规划，包括什么(2009，74)
A.
城镇体系规划
B.
城镇体系规划、城市规划
C.
城镇体系规划、城市规划、镇规划、
D.
城镇体系规划、城市规划、镇规划、乡规划和村庄规划
【单选题】A SELECT statement can be used to perform these three functions: 1.Choose rows from a table. 2.Choose columns from a table. 3.Bring together data that is stored in different tables by creating a link ...
A.
difference, projection, join
B.
selection, projection, join
C.
selection, intersection, join
D.
intersection, projection, join
E.
difference, projection, product
【简答题】Read the following text, and identify words that illustrate sequence/time order. How does shopping on Web Site work? Shopping on our web site occurs in the following easy steps: Step 1: Select product...
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