correlation one Data Engineering OA

Correlation one data engineering boot camp 笔试题，一共12题要在45分钟里面做完，大部分是选择题，有两道填空题。最近还有Merck 的Datathon，有兴趣的可以留言组队参加。
. 1point3acres
题目格式有点乱还请多多包涵。

you are developing a conceptual schema for a database with the following variables:
studentID: A unique ID assigned to a student
FName: The first name of a student
Lname: The last name of a student
Email: the email address a student
Major: A student's major
which of the above variables are candidate keys for the database? select from following. 1. Fname, Email 2. StudentID, Major 3. FName, LName 4. Email, StudentID  5.LName, Email

The following are two data tables for a company, Employees and Department, the employee table contains the followi

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and on which products at the store, you have data on each customer: age, gender, amount spent, and category of products bought.

which of the following methods for dealing with erroneous and missing values would be least likely to harm the original dataset's integrity? 1. interpolating the missing values 2. interpolating the erroneous values 3. setting the missing values to 0  4. setting the erroneous values to 0
. 1point3acres

Datathon说的是那个citadel的嘛？我报名了美东的目前还没有消息

2330 发表于 2023-03-22 11:56:18
Datathon说的是那个citadel的嘛？我报名了美东的目前还没有消息

哦哦哦哦我理解错了。感觉很有兴趣，楼主要不要一起讨论一下

2330 发表于 2023-3-22 11:58
哦哦哦哦我理解错了。感觉很有兴趣，楼主要不要一起讨论一下

可以啊zszszs