Tips and Tricks- Delta Lake Table in Apache Spark - Azure Data Engineering Interview Question

#PySpark #DeltaTable #AzureDatabricks #BigData #DataEngineering #DataLake #InterviewQuestions #TechTutorial #DataAnalytics #DataTransformation #SchemaEvolution #ACIDProperties #DataGovernance #TimeTravel #DataPipelines #Azure #Databricks

🔍 What We'll Cover:

Delta Table Overview: Understand why Delta Tables have become a popular choice for big data analytics in cloud-based platforms.
Code Walkthrough: Learn how to create a Delta Table in Azure Databricks using a sample dataframe.
Interview Question: Explore how to handle column names with spaces and special characters in Delta Tables.
Solutions: Discover two approaches to manage friendly column names—using Views and the latest Column Mapping feature.

TimeStamp:

0:00:00 - Intro
0:01:07 - Creating Delta Table
0:03:17 - Interview Question
0:07:26 - Approach 1- Creating views
0:10:25 - Approach 2- Enabling Name Mapping feature
0:13:25 - What is the best approach?

– – – Book a Private One on One Meeting with me (1 Hour) – – –

– – – Express your encouragement by brewing up a cup of support for me – – –

– – – Other useful playlist: – – –

– – – Let’s Connect: – – –

Instagram: mrk_talkstech

– – – About me: – – –

Mr. K is a passionate teacher created this channel for only one goal "TO HELP PEOPLE LEARN ABOUT THE MODERN DATA PLATFORM SOLUTIONS USING CLOUD TECHNOLOGIES"

I will be creating playlist which covers the below topics (with DEMO)

1. Azure Beginner Tutorials
2. Azure Data Factory
3. Azure Synapse Analytics
4. Azure Databricks
5. Microsoft Power BI
6. Azure Data Lake Gen2
7. Azure DevOps
8. GitHub (and several other topics)

After creating some basic foundational videos, I will be creating some of the videos with the real time scenarios / use case specific to the three common Data Fields,

1. Data Engineer
2. Data Analyst
3. Data Scientist

Can't wait to help people with my videos.

– – – Support me: – – –

[rameshseetha]

hello Sir, your explanation is fantastic and it is easy to understand.
can you please also make video on how to answer for the question difference between Hadoop and Spark

[abhiseksahu]

Your Video creation is very engaging and content is super informative, this is one of my go to channel for Azure Data Engineering content .

[ugandarhari]

Nice video again. Could you please tell where the underlying data is stored for Delta Lake tables? Is it in the Databricks hive metastore itself or in the Azure Delta Lake Storage?