--- title: "Sharath Kumar Thungathurthi (@SharathThungathurthi) | Hashnode" description: "Sharath Kumar Thungathurthi (@SharathThungathurthi) writes on Hashnode. Read their latest articles and follow their work." url: "https://hashnode.com/@SharathThungathurthi" --- @SharathThungathurthi # Sharath Kumar Thungathurthi @SharathThungathurthi · Joined March 2024 ### [Impala Interview Questions](https://sharaththungathurthi.hashnode.dev/impala-interview-questions?utm_source=hashnode&utm_medium=feed) Here are some questions and answers related to Impala, covering various aspects of its usage, architecture, and functionality. These are useful for interview preparation or as a study guide. 1. What is Impala? Answer:Impala is an MPP (Massively Paral... 6 min read · [sharaththungathurthi.hashnode.dev](https://sharaththungathurthi.hashnode.dev/impala-interview-questions?utm_source=hashnode&utm_medium=feed) [Dec 22, 2024](https://hashnode.com/posts/impala-interview-questions/6768706c0dd7ec2b04f5ee48) ### [AWS Lambda](https://sharaththungathurthi.hashnode.dev/aws-lambda?utm_source=hashnode&utm_medium=feed) Here are some commonly asked questions and answers related to AWS Lambda: 1. What is AWS Lambda? Answer:AWS Lambda is a serverless computing service that lets you run your code without managing any servers. You only pay for the time your code runs. L... 5 min read · [sharaththungathurthi.hashnode.dev](https://sharaththungathurthi.hashnode.dev/aws-lambda?utm_source=hashnode&utm_medium=feed) [Dec 18, 2024](https://hashnode.com/posts/aws-lambda/67625744699f2c3e3b9da3d5) ### [Aws Glue](https://sharaththungathurthi.hashnode.dev/aws-glue?utm_source=hashnode&utm_medium=feed) Here are some common AWS Glue questions and answers that can help you understand the service better: 1. What is AWS Glue? Answer: AWS Glue is a fully managed ETL (Extract, Transform, Load) service that allows you to prepare and load data for analytic... 6 min read · [sharaththungathurthi.hashnode.dev](https://sharaththungathurthi.hashnode.dev/aws-glue?utm_source=hashnode&utm_medium=feed) [Dec 18, 2024](https://hashnode.com/posts/aws-glue/67623461f02b2cbab3be984a) ### [Managed vs External Tables](https://sharaththungathurthi.hashnode.dev/managed-vs-external-tables?utm_source=hashnode&utm_medium=feed) In an interview, questions about managed vs. external tables in PySpark are likely to focus on concepts, practical applications, and potential scenarios where one is preferable over the other. Here are some areas to prepare for: 1. Definition and Dif... 3 min read · [sharaththungathurthi.hashnode.dev](https://sharaththungathurthi.hashnode.dev/managed-vs-external-tables?utm_source=hashnode&utm_medium=feed) [Nov 14, 2024](https://hashnode.com/posts/managed-vs-external-tables/673564af6bb7957e682f873c) ### [How to Perform Efficient Data Transformations Using PySpark](https://sharaththungathurthi.hashnode.dev/how-to-perform-efficient-data-transformations-using-pyspark?utm_source=hashnode&utm_medium=feed) Here are some common interview questions and answers related to transformations in Spark: 1. What are narrow and wide transformations in Spark? Answer: Narrow transformations are transformations where each partition of the parent RDD is used to produ... 15 min read · [sharaththungathurthi.hashnode.dev](https://sharaththungathurthi.hashnode.dev/how-to-perform-efficient-data-transformations-using-pyspark?utm_source=hashnode&utm_medium=feed) [Oct 19, 2024](https://hashnode.com/posts/how-to-perform-efficient-data-transformations-using-pyspark/671421ac80060c7e5ce93fd3)