Tag: interview_qa

Snowflake

Does Snowflake support indexes which is supported by other databases ?

The answer is NO. Indexes are not utilized or supported by Snowflake. By keeping extensive metadata in each of its…

PySpark @ Freshers.in

How to round the given value to scale decimal places using HALF_EVEN rounding in Spark – PySpark

bround function bround function returns the rounded expr using HALF_EVEN rounding mode. That means bround will round the given value…

Oops @ Freshers.in

OOPS interview questions for freshers and experienced

1. What is OOPS? OOPS is abbreviated as Object Oriented Programming system in which programs are considered as a collection…

Docker Interview Questions and Answers for Experienced and Freshers

1. Can you explain how Docker is advantageous over Hypervisors? Docker is advantageous in the below ways 1. It is…

Apache Storm interview questions

1. What is Apache Storm? Apache Storm is a free and open source distributed realtime computation system. Apache Storm makes…

Apache PIG interview questions

1. What is pig? Pig is a Apache open soucre project which run on top of hadoop,provides engine for data…

Data communication interview questions

1. What are the components of Data communication ? a. Message – It is the information to be communicated. b….

Artificial Intelligence

Artificial Intelligence interview questions

1. What is Artificial Intelligence ? Artificial intelligence is intelligence demonstrated by machines, unlike the natural intelligence displayed by humans…

Amazon RDS interview questions

1. What is Amazon RDS ? Amazon Relational Database Service (Amazon RDS) is a managed service that makes it easy…

Amazon Athena interview questions

1. What is Amazon Athena? Amazon Athena is an interactive query service that makes it easy to analyze data in…