What is the purpose of the 'sort by key' transformation in the context of RDDs?
Apache Spark 3 for Data Engineering and Analytics with Python - SortByKey Transformations

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1.
OPEN ENDED QUESTION
3 mins • 1 pt
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2.
OPEN ENDED QUESTION
3 mins • 1 pt
Describe how to create a list of tuples for countries and their rankings.
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3.
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3 mins • 1 pt
Explain the process of creating an RDD from a list of countries using the parallelize method.
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4.
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3 mins • 1 pt
How can you sort a list of countries by their ranking in descending order?
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5.
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3 mins • 1 pt
What is the significance of using a lambda function in the map transformation?
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6.
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3 mins • 1 pt
What steps are involved in switching the key-value pairs in a tuple for sorting?
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7.
OPEN ENDED QUESTION
3 mins • 1 pt
Summarize the overall process of sorting a list of countries by their rankings.
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