Pergunta de entrevista da empresa IQVIA

First Introduce yourself then 1. Write C program for generating even numbers for a given input limit 2. What is primary key, unique key, foreign key 3. Union vs Union all 4. DB Normal forms(1NF,2NF,3NF) 5. What are set operations 6. Different types of joins 7. What are data types used in Database (SQL server). 8. How will you find duplicate records in a table.