Define Balancer in HDFS.
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What is a surrogate key?
Please explain the relationship between environment reality and test phases.
What is a primary key?
Do runtime errors exist in Python? Give an example
What do you know about FSCK?
Describe multithreading in Python.
List the elements of the Hive data model.
Please explain the difference between a Linear data structure and a non-linear data structure.
How do you reference all the elements in a one-dimension array?
Explain Some practical applications of data structures.
In how many ways can we apply reverse strings?
What is the purpose of the BETWEEN keyword?
Write the postfix form of the expression: (A + B) * (C – D)
What are the supported standard data types in Python?