Ask The Science Latest Questions
What is the difference between SQL, Oracle, MySQL, and SQL Server?
List the standard port numbers on which Hadoop’s task tracker, NameNode, and job tracker operate.
What is the difference between SQL and PL/SQL?
What is a unique constraint? How is it different from a primary key?
Which two messages does NameNode get from DataNode?
How are the elements of a 2D array are stored in the memory?
Mention some of Hadoop’s key attributes.
What are the differences between an operational database and a data warehouse?
As a data engineer, how would you go about creating a new analytical product?
What is the difference between SQL and T-SQL?