103. Databricks | Pyspark |Delta Lake: Spark/Databricks Interview Question Series - III

Azure Databricks Learning: Delta Lake: Spark/Databricks Interview Question Series - III
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Are you learning Spark/Databricks to become Bigdata Engineer? Are you preparing for an Interview for the role of Spark/Databricks data engineer?

Delta Lake is one of the modern Lakehouse concept which is used on most of bigdata projects. This is also one of the major topic to crack interviews.

Follow this video to get list of questions on Delta Lake (Lakehouse) concepts along with directions to give answer in an interview

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[whymeiy]

Genuinely one of the best data engineering related courses I've ever seen. Clear and concise with practical demonstrations of the concepts discussed. I've recommended this playlist to the rest of my colleagues. Thank you very much for pulling this together! 💜

[jhonsen]

I don't want to name others but for this same content some are charging heavy fees well its may be their way to feed their Family . But many thanks to you on this content.

[SureshBabu-kfjx]

Hi Raja, Thank you so much for wonderful videos, Please do not mind to reduce the length of the videos and continue like however you want to post the videos. Each detailed point and explanation are very important for everyone. Whomever do not want lengthy videos they have option of forwarding or skipping. But if content is not there then, We will miss the information. Please consider this. Thanks again

[sabesanj]

Thank you so much raja bro for all your efforts in giving us those quality contents which will surely help aspiring big data candidates.

[tanushreenagar]

Finally watched 🙌 whole playlist of delta lake it helped me a lot thank you 😊 🎉

[ruinmaster]

Thanks for sharing all this valuable inormation!!!

[LearnShare]

Thank you sir, pls make a detailed video on Question 18 ( SelectiveReplace) & Question 20(Deletion Vector)

[latartecutieke]

Hello sir can you pls create video on deployment from dev to uat or other higher environments

[yetanotheremail]

Sir could you please let me know how to navigate your YouTube playlists.

[lalithroy]

Hi Raja could you please make videos on delta live tables.

[VKGT]

I would like to know whether you provide any online training? I dropped you a mail regarding this. Thank you.

[hritiksharma]

Please create video on unity catalog setup.

[starmscloud]

Question No 23 :

Drop UnManaged/ External Table :

Run Below Commands in PySpark :

First :Check the Path of the Table using following Piece of code :

spark.sql("DESCRIBE EXTENDED <Your Table Name>") .show(truncate=False)


Second : Drop the Table


if Table Name>"):
spark.sql("DROP TABLE <Your Table Name>")


Third: Remove the File & Folder


dbutils.fs.rm(" <path taken from First Step> ", recurse =true )