Describe the Star Schema.
Ask The Science Latest Questions
Draw a comparison between the range and xrange in Python.
What is the difference between deep copy and shallow copy?
How do you distinguish between NumPy and SciPy?
Describe the distributed Hadoop file system.
What is a unique constraint? How is it different from a primary key?
If a table contains duplicate rows, will a query display duplicate values by default? How can you eliminate duplicate rows from a query result?
Please explain the difference between a Linear data structure and a non-linear data structure.
Explain Some practical applications of data structures.
Difference between file structure and storage structure?
What are the various operations that can be performed on a data structure?
List the standard port numbers on which Hadoop’s task tracker, NameNode, and job tracker operate.
How do you turn off the HDFS Data Node’s Block Scanner?