An Extraction Transform Load or ETL interview questions should mainly focus on the person’s knowledge in database management system and his expertise in reading data from a database. ETL demands nothing but the fluency of a person in migration of data from one database to anther.
Sample ETL Interview Questions
- Tell us something about you that are not there in your resume.
- What idea do you have about converting extracted data? Mention few initial steps of data extraction
- What concept of transformation rules or lookup tables do you have which are very technical basics of Extraction Transfer Load (ETL)?
- What are target databases and combined data storage?
- How is ETL useful in forming data marts and data ware houses?
- Shed some light on your previous work experience.
- Why did you suddenly took the decision of a job change because stability is a big issue now days?
- What is the importance of ETL in software industry?
- What will be your instant call in case of sudden database crash?
- What is target database and how is it useful in Extraction Transform Load (ETL)?
- What are the basics of converting the format of one database from another?
- How can we minimize the time required for data reading of a data base before transform and load?
- What is your expectation regarding your pay packet because you must be having some pre conceived notion?
- How much is data structure important for Extraction Transform Load (ETL)?
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