SQL Interview questions

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I have an interview to attend tomorrow and I need quick help. A few important Interview questions would be a great help. Thank you
Jan 8 in Career Counselling by Tom
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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
answered Jan 8 by Jessica
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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​ 

answered Feb 28 by Rashmi

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