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 成人高等教育 / 数据库原理与应用

学生表(id,name,sex,age,depart_id,depart_name),存在函数依赖是 id→name, sex,age,depart_id;dept_id→dept_name,其满足( )
  • A、
    1NF
  • B、
    2NF
  • C、
    3NF
  • D、
    BCNF
 参考答案:
 佳题速递:
  • [单选题] 单个骨骼肌细胞()。 A.正常时可接受一个以上运动神经元支配 B.具有膜内负于膜外的静息电位 C.电兴奋可通过纵管系统传向肌细胞深部 D.细胞内不储存Ca2+动物生理学
  • 5[单选题] 报告文学《县委书记的好榜样——焦裕禄》的作者是( )  A.穆青、冯健、周原 B.佟希文 C.黄宗英 D.《中国青年报》记者集体新时期文学
  • 2[阅读题]     Women are terrible shoppers. They spend a lot of time shopping and they only buy a few things. My wife is one of them. Sometimes she shops all day and she doesn't buy anything. She tries on clothes all day and then doesn't bring anything home. This seems mad!    She's too fussy. She only likes a few colors. Her favorite colors are blue, green and yellow. She doesn't like red and pink. They are too bright and they don't suit her. And brown and gray aren't bright enough. Oh, she's fussy!    This week,my wife bought herself a fur coat,and a ready-made suit dress, that is to say, a coat and a skirt. She wants to find a silk blouse to match them. She'd like to buy a hat,too.  In this way, she says,she will be in the very latest fashion. It seems that the suit she bought three weeks ago is already out of date.6. Women are terrible shoppers because they ______.              A. buy too many things at one time B. go shopping every dayC. do a lot of shopping but buy little D. care little about prices7. The author's wife is __________.                             A. mad about colors                         B. blind to colorsC. fuzzy about colors                       D. fond of bright colors8. The author's wife bought _______this week.                           A. a silk blouse                            B. a hat       C. a suit                                         D. a fur coat and a skirt9. The author's wife always buys more because_________.           A. she is keen on the latest fashionB. she is fuzzy about changing colors of her dressC. she always finds her dress uncomfortableD. she tries to look younger than her age10. The author thinks his wife is anything but a _____ shopper.       A. crazy                                           B. fussyC. terrible                                        D. reasonable 英语 C(二)
  • CPU的主要技术指标之一是主频,主频越( ),表明CPU的运算速度越快,当然性能也越好。 计算机应用基础
  • 7[填空题] 临床上常见的热型有:诊断学
  • 15[单选题] 企业文化是一种() A.观念形态的价值观 B.理论 C.工具 D.管理活动企业文化