資料結構data structure

資料結構data structure

University

5 Qs

quiz-placeholder

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資料結構data structure

資料結構data structure

Assessment

Quiz

Computers

University

Practice Problem

Hard

Created by

伯謙 張

Used 1+ times

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5 questions

Show all answers

1.

MULTIPLE SELECT QUESTION

20 sec • 1 pt

請問上次Flourish網站上bar running race所使用的資料集是屬於那一種表格?

長表格

寬表格

多維表格

客製化表格

2.

MULTIPLE SELECT QUESTION

20 sec • 1 pt

轉換長表格和寬表格的方式是?

Pivot/Unpivot

Column/Row

Dimension/Measure

Join/Union

3.

MULTIPLE SELECT QUESTION

20 sec • 1 pt

以下那一個不屬於資料類型?

字串(text)

日期/時間

影像

布林值T/F

4.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

將不同的資料表透過鍵值(key)串連在一起的方式稱為?

離群值(Outlier)

彙總(Aggregation)

軸轉(Pivot)

正規化(normalization)

5.

MULTIPLE SELECT QUESTION

20 sec • 1 pt

如果要取得兩個不同資料表中共同的資料,應選擇下列那一種Join方式?

Inner Join

Left Join

Right Join

Outer Join