Ask The Science Latest Questions
List the standard port numbers on which Hadoop’s task tracker, NameNode, and job tracker operate.
How would you describe yourself?
What is a unique constraint? How is it different from a primary key?
What is a primary key?
What is the difference between SQL and PL/SQL?
Which two messages does NameNode get from DataNode?
Mention some of Hadoop’s key attributes.
How are the elements of a 2D array are stored in the memory?
What does a skewed table mean in Hive?
Explain What are FIFO and LIFO?
As a data engineer, how would you go about creating a new analytical product?
What is the difference between SQL and T-SQL?
What are Python decorators?
What are the differences between an operational database and a data warehouse?
What is a view? When would you use one?
How to reference all the elements in a one-dimension array?
What is the purpose of the IN keyword?
How does orchestration work?