Category: software

dbt (data build tool) interview questions

1. What is a model in dbt (data build tool)? A model is a select statement. Models are defined in…

AWS Lambda interview questions

1. What is AWS lambda ? AWS Lambda is a serverless compute service that lets you run code without provisioning…

Snowflake interview questions

1. What is a Snowflake data warehouse? Snowflake is a data warehouse built on top of the Amazon Web Services…

AWS S3 interview questions

1) What is AWS S3 bucket and explain its properties? Amazon S3 or Amazon Simple Storage Service is a service…

Cobol interview questions

Question 1: What is binary search? Answer : Search on a sorted array. Compare the item to be searched with…

Hive interview questions

1. What is the syntax of Creating table in hive CREATE TABLE records (year STRING, temperature INT, quality INT) ROW…

AWS Glue interview questions

1. What is AWS Glue ? AWS Glue is a cloud service that prepares data for analysis through automated extract,…

Amazon Redshift interview questions

1. Explain the benefits of Amazon Redshift ? Amazon Redshift is a fully managed, cloud-based, petabyte-scale data warehouse service by…

Informatica interview questions

1. What is Source Qualifier Transformation ? The source qualifier transformation is an active,connected transformation used to represent the rows…

Computer Organization interview questions

1. What is Machine code ? Machine code is a computer program written in machine language instructions that can be…