Top questions with answer for data engineer job exam
T op questions with answers for the data engineer job exam I can provide some possible questions with sample answers to help you prepare for a data engineer job exam: What is data engineering and what are the key responsibilities of a data engineer? Answer: Data engineering involves designing, building, and maintaining the infrastructure and systems required to store, process, and analyze data. Some of the key responsibilities of a data engineer include designing and maintaining data pipelines, building and maintaining data warehouses and databases, optimizing data storage and retrieval, and ensuring data security and privacy. What are some common data storage technologies used in data engineering? Answer: Some common data storage technologies used in data engineering include relational databases, NoSQL databases, data warehouses, and data lakes. Explain the differences between a relational database and a NoSQL database. Answer: A relational database stores data in tables with pre...