PySpark and AWS: Master Big Data with PySpark and AWS - Spark DF (Sort, OrderBy)

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Information Technology (IT), Architecture
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Hard
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7 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary purpose of the 'sort' and 'order by' functions?
To group data into categories
To join multiple data tables
To sort data based on columns
To filter data based on conditions
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can you sort data by multiple columns using the 'sort' function?
By using a separate function for each column
By separating column names with a comma
By specifying columns in a list
By using a nested sort function
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens when you sort data by multiple columns?
Data is sorted by the last column only
Data is not sorted at all
Data is sorted by each column in sequence
Data is sorted by the first column only
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can you sort data in descending order using the 'sort' function?
By sorting twice
By using the 'desc' parameter
By using the 'asc' parameter
By using a different function
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the default sorting order when using the 'sort' function?
Alphabetical
Descending
Random
Ascending
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is it important to use integer columns for default sorting methods?
To ensure faster processing
To avoid anomalies in the output
To reduce memory usage
To increase data security
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What might happen if you sort string columns using the default method?
The program will crash
The data will be deleted
The sorting will be faster
The output will be incorrect
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