16. What ETL tools do you have experience using? What tools do you prefer? There are many variations to this type of question. A different version would be about a specific ETL tool, “Have you had experienced with Apache Spark or Amazon Redshift?” If a tool is in the job description...
Next on these interview questions for data analysts, we have to look at the trends regarding this domain. 42. What are the future trends in data analysis? With this question, the interviewer is trying to assess your grip on the subject and your knowledge in the field. Make sure to state...
And how to do ETL testing in Unix? Answer Question Oct 12 2008 01:47 AM 6579Views 4Ans Database Design vinalipatel Data Warehousing Interview Questions Explain why database design is important? LiamWhales Mar 24th, 2014 Database design is the key to a successful database. It reduces...
Power Query is an ETL tool. It can help shape, transform, and clean data with the help of intuitive interfaces and no need for coding. Power Query can help with the following: Importing data from various data sources like files, databases, social media data, big data, etc. Appending and...
Q10: Common Aspects of the ETL Process and Big Data Workflows You might think this a rather odd question, but it’s simply a check of your computer science knowledge, as well as your overall design knowledge and experience. Both workflows follow theProducer-Consumerpattern. A worker (the Prod...
This question gives the impression to the interviewer that the candidate is not merely interested in the hadoop developer job role but is also interested in the growth of the company. 3) Based on the answer to question no 1, the candidate can ask the interviewer why the hadoop infrastructure...
Add indexes on columns used in relationships, keys, aggregations Summarize and aggregate data during the ETL process before import Import only columns and data needed for reporting Compress tables using column formatting and summarization What are some best practices for designing a Power BI report?
Analysis services - 19 Analysis services interview questions and 28 answers by expert members with experience in Analysis services subject. Discuss each question in detail for better understanding and in-depth knowledge of Analysis services
Question 1: What is ETL Process with example? Question 2: Difference between control flow and data flow in SSIS? Question 3: Explain the architecture of SSIS? Question 4: Explain the types of Perfmon counters for SSIS? Question 5: Explain the types of Cache Mode in SSIS Lookup co...
Bonus question: what is the RTT of LAN? How does an SSL handshake work? SSL handshake is a process that establishes a secure connection between a client and a server. The client sends a Client Hello message to the server, which includes the client's version of the SSL/TLS protocol, a...