What does new grouping sets enables you to do?
What is the advantage of varchar2 over char?
Why merge statement is used inside the database?
How heap is implemented in database?
What are different types of joins used in?
What are the concurrency problems a database faces?
What does currency type mean in database?
After normalization, what are the conditions which have to keep in mind to de-normalize it?
Explain normalization in one line?
Give the syntax of exception handling used in DBMS?
What are different types of blocks used in stored procedure?
What are different types of clusters present?
What is the difference between a stored procedure and a query?
Differentiate between unique key and foreign key?
How do you pass parameter in stored procedure?
