• 2021-04-14
    1. Why the speaker say “.If you took the entire population of the world, all six billion of us, and removed that empty space, then we could be squeezed into a cube smaller than a sugar cube”?
  • we consist almost entirely of empty space

    内容

    • 0

      以下关于汇总查询(Cube)描述正确的是() A: 结果集中含有NULL的记录表示这条记录是由CUBE运算符生成的 B: 不能将ALL关键字与CUBE运算符联用 C: 当使用CUBE运算符时,确保出现在GROUPBY后的各列与业务环境是有意义的关系 D: 可以将ALL关键字与CUBE运算符联用

    • 1

      中国有12亿多人口,陆地自然资源人均占有量低于世界平均水平。() A: China has a<br/>population of more than 1.2 billion, and its land natural resources<br/>per capita are lower than the world’s average. B: China’s<br/>population is 1.2 billion and the natural resources on the land per<br/>head are lower than the world’s average level. C: The 1.2 billion<br/>people in China have lower land natural resources than in the world<br/>each. D: The land natural<br/>resources 1.2 billion Chinese have are less than the world has.

    • 2

      精简数据方体技术有 A: Dwarf Cube B: Condensed Cube C: Quotient Cube D: QC-Tree

    • 3

      The idea that you can sell one product to more than six billion people with the same( ) gets accountants all excited. A: Spoken-man B: price C: packaging and advertising D: brands

    • 4

      There is no need for us to write a good concluding part. We just simply need to say “That’s all, thank you” as a concluding part.