SQL Interview questions

Question

I have an interview to attend tomorrow and I need quick help. A few important Interview questions would be a great help. Thank you

Answer 1

Het @Tom, these are a few important sql interview questions:

• What is sql
• what is database
• why do we need databases?
• different subsets of sql
• Different types of DBMSs
• what are joins in sql
• difference between char and varchar
• what are primary key and foreign key and how they work

Answer 2

Hello. I am adding some more interview questions:

• What do you mean by DBMS? What are its different types?
• What is Primary key and Unique key?
• What is the difference between SQL and MySQL?
• What is the difference between clustered and non clustered index in SQL?
• Write a SQL query to display the current date?
• What is Normalization and what are the advantages of it?

For more questions, visit this blog: https://www.edureka.co/blog/interview-questions/sql-interview-questions