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Accounting domain knowledge on Credits Vs Debits interview Q&As

Q1. What do you understand by the terms Debit & Credit? A1. Debit is abbreviated as DR & Credit is abbreviated as CR, and form the building blocks of accounting. … Read more ›...

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Multi-tenant Architecture Interview Q&As

Q1. What is a multi-tenant architecture? A1. A “tenant” in cloud computing is a single customer or to be more specific a group of users who share a common access with specific privileges to the software instance. … Read more ›...

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Spark interview Q&As with coding examples in Scala – part 9

This extends Spark interview Q&As with coding examples in Scala – part 8 with more coding examples on Databricks Note book. Prerequisite: Create a free account as per Databricks getting started. Login to community.cloud.databricks.com, and click on “ … Read more ›...

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Spark interview Q&As with coding examples in Scala – part 8

This extends Spark interview Q&As with coding examples in Scala – part 7 with more coding examples on Databricks Note book. Prerequisite: Create a free account as per Databricks getting started. Login to community.cloud.databricks.com, and click on “ … Read more ›...

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Spark interview Q&As with coding examples in Scala – part 7

This extends Spark interview Q&As with coding examples in Scala – part 6 with more coding examples on Databricks Note book. Prerequisite: Create a free account as per Databricks getting started. Login to community.cloud.databricks.com, and click on “ … Read more ›...

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Spark interview Q&As with coding examples in Scala – part 6

This extends Spark interview Q&As with coding examples in Scala – part 5 with more coding examples on Databricks Note book. Prerequisite: Create a free account as per Databricks getting started. Login to community.cloud.databricks.com, and click on “ … Read more ›...

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Spark interview Q&As with coding examples in Scala – part 5

This extends Spark interview Q&As with coding examples in Scala – part 4 with more coding examples on Databricks Note book.

Prerequisite: Create a free account as per Databricks getting started. Login to community.cloud.databricks.com, and click on “

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Spark interview Q&As with coding examples in Scala – part 4

This extends Spark interview Q&As with coding examples in Scala – part 3 with more coding examples on Databricks Note book. Prerequisite: Create a free account as per Databricks getting started. Login to community.cloud.databricks.com, and click on “ … Read more ›...

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Spark interview Q&As with coding examples in Scala – part 3

This extends Spark interview Q&As with coding examples in Scala – part 2 with more coding examples on Databricks Note book. Prerequisite: Create a free account as per Databricks getting started. Login to community.cloud.databricks.com, and click on “ … Read more ›...

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Spark interview Q&As with coding examples in Scala – part 2

This extends Spark interview Q&As with coding examples in Scala – part 1 with the key optimisation concepts.

Partition Pruning

Q13. What do you understand by the concept Partition Pruning?
A13. Spark & Hive table partitioning by year,

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Spark interview Q&As with coding examples in Scala – part 1

Some of these basic Apache Spark interview questions can make or break your chance to get an offer.

Q01. Why is “===” used in the below Dataframe join?

A01. Comparisons with == and != are universal. This has a problem as they compare any two values,

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Spark SQL joins & performance tuning interview questions & answers

Q1. What are the different types of Spark SQL joins? A1. There are 3 types of joins. 1) Sort Merge Join – when both table 1 & table 2 are large. You need to shuffle & sort by the join keys. … Read more ›...

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00: Apache Spark eco system & anatomy interview Q&As

Q01. Can you summarise the Spark eco system?
A01. Apache Spark is a general purpose cluster computing system. It provides high-level API in Java, Scala, Python, and R. It has 6 components Core, Spark SQL, Spark Streaming, Spark MLlib,

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800+ Java Interview Q&As

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