I applied online. I interviewed at Hery (Chennai) in Sept 2025
Interview
What is SQL?
Difference between DELETE, TRUNCATE, DROP
What is a Primary Key, Foreign Key
What is JOIN? Types of joins?
What is Normalization?
What is INDEX and why do we use it?
Interview questions [1]
Question 1
What is SQL?
Difference between DELETE, TRUNCATE, DROP
What is a Primary Key, Foreign Key
What is JOIN? Types of joins?
What is Normalization?
What is INDEX and why do we use it?
