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What does Hadoop’s Heartbeat mean?
What is a binary search? When is it best used?
What is a CDN?
Calculate the address of a random element present in a 2D array, given base address as BA.
In how many ways can we apply reverse strings?
Can we use a break and continue together in Python? How?
What is a composite key?
What is a foreign key?
What’s the difference between a view and a materialized view?
Why do we not fall off from the Earth?
What are positive and negative indices?
Describe the HDFS Safe mode.
Explain HDFS’s Block and Block Scanner.
List the elements of the Hive data model.
What role does Apache Hadoop’s distributed cache play?