Altimetrik ETL Tester Interview Questions and Answers for Experienced

I am a dedicated and detail-oriented analyst with a strong background in data analysis and problem-solving.

• I have a Bachelor's degree in Statistics and have completed multiple data analysis projects during my studies.

• I am proficient in using statistical software such as R and Python for data analysis.

• I have experience in conducting market research and creating reports to help businesses make informed decisions.

• I am a q...read more

Our client is a multinational technology company specializing in software development and cloud services.

• Our client is known for their popular operating system used by millions of people worldwide.

• They offer a wide range of productivity software and cloud services for businesses and individuals.

• The company was founded in the 1970s by Bill Gates and Paul Allen.

• They are also involved in hardware products such as laptops,

Fact tables contain quantitative data that can be measured, while dimension tables contain descriptive attributes related to the facts.

• Fact tables store numerical data such as sales revenue, quantity sold, etc.

• Dimension tables store descriptive attributes like product name, customer name, etc.

• Fact tables are typically larger in size compared to dimension tables.

• Fact tables are connected to dimension tables through fore

Use SQL query with subquery to find second highest salary.

• Use ORDER BY and LIMIT to get the second highest salary.

• Use a subquery to exclude the highest salary from the result set.

• Example: SELECT MAX(salary) FROM employees WHERE salary < (SELECT MAX(salary) FROM employees);