Amazon Business Analyst SQL Interview Questions

Preparing for an interview for the role of an Amazon Business Analyst can be a daunting task, especially when it comes to SQL-related questions. SQL (Structured Query Language) is a programming language used for managing and manipulating relational databases. As a Business Analyst, having a strong understanding of SQL is crucial for data analysis and reporting. In this article, we have compiled a comprehensive list of Amazon Business Analyst SQL interview questions to help you prepare for your upcoming interview.

Whether you are a seasoned professional or just starting your career as a Business Analyst, these SQL interview questions will test your knowledge and problem-solving skills. By familiarizing yourself with these questions and practicing your responses, you can increase your chances of success in the interview process and showcase your expertise in SQL.

Remember, interviewers are not only interested in the correct answers but also in your thought process and approach to problem-solving. So, take the time to understand the question, explain your thought process, and provide a clear and concise solution.

See these Amazon Business Analyst SQL interview questions

• What is SQL and why is it important for a Business Analyst?
• What are the different types of JOINs in SQL?
• Explain the difference between UNION and UNION ALL in SQL.
• How do you remove duplicate rows from a table in SQL?
• What is the difference between WHERE and HAVING clauses in SQL?
• How do you calculate the average of a column in SQL?
• What is the purpose of the GROUP BY clause in SQL?
• What is the difference between a primary key and a foreign key?
• Explain the concept of normalization in database design.
• How do you handle NULL values in SQL?
• What is the purpose of the ORDER BY clause in SQL?
• How do you find the second highest salary in a table using SQL?
• Explain the concept of indexes in SQL.
• What is a self-join in SQL?
• How do you find the nth highest salary in a table using SQL?
• What is the difference between CHAR and VARCHAR data types in SQL?
• Explain the concept of ACID properties in database transactions.
• How do you concatenate strings in SQL?
• What is a subquery in SQL?
• How do you calculate the total number of rows in a table using SQL?
• What is the difference between a clustered and a non-clustered index?
• Explain the concept of data warehousing.
• How do you find the maximum value in a column using SQL?
• What is the purpose of the LIKE operator in SQL?
• What is the difference between a view and a table in SQL?
• Explain the concept of data normalization.
• How do you update a table in SQL?
• What is the purpose of the DISTINCT keyword in SQL?
• What is the difference between a left join and a right join?
• Explain the concept of data mining.
• How do you find the number of rows in a table that satisfy a condition using SQL?
• What is the purpose of the BETWEEN operator in SQL?
• What is the difference between a stored procedure and a function in SQL?
• Explain the concept of OLAP (Online Analytical Processing).
• How do you delete a table in SQL?
• What is the purpose of the GROUP_CONCAT function in SQL?
• What is the difference between a database and a schema in SQL?
• Explain the concept of data modeling.
• How do you insert data into a table in SQL?
• What is the purpose of the CASE statement in SQL?
• What is the difference between a left join and an inner join?
• Explain the concept of ETL (Extract, Transform, Load).
• How do you truncate a table in SQL?
• What is the purpose of the COALESCE function in SQL?
• What is the difference between a primary key and a unique key?
• Explain the concept of data governance.
• How do you create an index in SQL?

These are just a few examples of the types of SQL questions you may encounter in an Amazon Business Analyst interview. Make sure to research and practice a wide range of SQL concepts and techniques to ensure you are well-prepared for any question that may come your way. Good luck!