Spark Programming in Python for Beginners with Apache Spark 3 - Working with Spark SQL Tables

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Information Technology (IT), Architecture, Social Studies
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University
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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 required to create a managed table in Apache Spark?
A cloud storage service
A persistent metastore
A local file system
A distributed file system
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why might you choose to save data as a managed table in Spark?
To reduce storage costs
To enable access through SQL expressions and third-party tools
To simplify data backup
To improve data processing speed
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which method is used to write a DataFrame as a managed table in Spark?
DataFrame.saveAsManagedTable
DataFrame.write.saveAsTable
DataFrame.writeAsTable
DataFrame.saveAsTextFile
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the default database name in Apache Spark?
main
default
primary
spark_db
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a potential downside of partitioning data by a column with many unique values?
It complicates data processing
It increases data redundancy
It creates too many partitions
It slows down data retrieval
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does bucketing differ from partitioning in Spark?
Bucketing is faster than partitioning
Bucketing is only used for small datasets
Bucketing requires more storage space
Bucketing uses a hash function to distribute data
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What additional benefit does sorting within buckets provide?
It reduces storage space
It improves data compression
It enhances join operations
It speeds up data loading
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