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Top 200 Data Engineer Interview QuestionsBig Data and Data Science are the most popular technology trends There is a growing demand for Data Engineer job in technology companies This book contains technical interview questions that an interviewer asks for Data Engineer position Each question is accompanied with an answer so that you can prepare for job interview in short time The book contains questions on Apache Hadoop, Hive, Spark, SQL and MySQL It is a combination of our five other books.We have compiled this list after attending dozens of technical interviews in top notch companies like Airbnb, Netflix, etc.Often, these questions and concepts are used in our daily work But these are most helpful when an Interviewer is trying to test your deep knowledge of Big Data topics like Hadoop, Hive, Spark, SQL, MySQL etc.
What are the Big Data topics covered in this bookWe cover a wide variety of Big Data and Data Science topics in this book Some of the topics are Apache Hadoop, Hive, Spark, SQL, MySql etc.
How will this book help meBy reading this book, you do not have to spend time searching the Internet for Data Engineer interview questions We have already compiled the list of the most popular and the latest Data Engineer Interview questions
Are there answers in this bookYes, in this book each question is followed by an answer So you can save time in interview preparation.
What is the best way of reading this bookYou have to first do a slow reading of all the questions in this book Once you go through them in the first pass, mark the questions that you could not answer by yourself Then, in second pass go through only the difficult questions After going through this book 2 3 times, you will be well prepared to face a technical interview for a Data Engineer position.
What is the level of questions in this bookThis book contains questions that are good for a beginner Data engineer to a senior Data engineer The difficulty level of question varies in the book from Fresher to a Seasoned professional.
What are the sample questions in this bookWhat is the difference between ROLLBACK TO SAVEPOINT and RELEASE SAVEPOINT How will you see the current user logged into MySQL connection Can we create multiple tables in Hive for a data file Can we use Hive for Online Transaction Processing OLTP systems Can we use same name for a TABLE and VIEW in Hive How can we get a random number between 1 and 100 in MySQL How can you copy the structure of a table into another table without copying the data How can you find 10 employees with Odd number as Employee ID How does CONCAT function work in Hive How will you change the data type of a column in Hive How will you check if a file exists in HDFS How will you check if a table exists in MySQL How will you run Unix commands from Hive How will you search for a String in MySQL column How will you see the structure of a table in MySQL How will you select the storage level in Apache Spark How will you synchronize the changes made to a file in Distributed 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- Top 200 Data Engineer Interview Questions & Answers
- 168 pages
- Knowledge Powerhouse
- 06 October 2017 Knowledge Powerhouse