Tip 1 : Practice aptitude as much as possible.
Tip 2 : Practice more and more questions related to your skills.
Tip 3 : Proper revision is must.
Tip 1 : It should not be too long or too short.
Tip 2 : Each skill and project should be reflected properly in your resume.
When does checkpoint occur in DBMS?
What are the unary operations in Relational Algebra?
What do you understand by Data Model?
How Do You Like to Be Managed?
Do You Consider Yourself Successful?
Tip 1 : Before answering this question, take your own time an answer in the way that convinces the interviewer.
Tip 2 : Tell your qualifications and highlight that points which makes you unique.
Tip 3 : Don't ask your salary in exact numbers, instead of this show your commitment to the job itself.