PySpark Interview Questions for a Data Engineer If you're interviewing for a data engineering role, expect questions that assess your ability to design, optimize, and troubleshoot PySpark applications in a production environment. Let's delve into some typical interview questions you might encounter. ...
Drop a Column That Has NULLS more than Threshold The codeaims to find columnswith more than 30% null values and drop them from the DataFrame. Let’s go through each part of the code in detail to understand what’s happening: from pyspark.sql import SparkSession from pyspark.sql.types impo...
6. Spring Interview Questions 7. Android UI Design and many more ... I agree to the Terms and Privacy Policy Sign up TagsPythonJustin Brandenburg Justin is a Data Scientist in the MapR Professional Services group. Justin has experience in a number of data areas ranging from counter narcotics...