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I applied via Approached by Company and was interviewed before Sep 2022. There were 4 interview rounds.
I applied via Naukri.com and was interviewed in Dec 2023. There was 1 interview round.
Implementing SCD type2 in Spark code
Use DataFrame operations to handle SCD type2 changes
Create a new column to track historical changes
Use window functions to identify the latest record for each key
Update existing records with end dates and insert new records with start dates
Cache stores data temporarily for faster access, while persist saves data permanently.
Cache is temporary storage used to store frequently accessed data for faster retrieval.
Persist saves data permanently, typically to a disk or database.
Cache is often used in web applications to store frequently accessed data like images or scripts.
Persist is commonly used to store user data or application settings that need to be reta
I applied via Naukri.com and was interviewed before Jan 2023. There were 2 interview rounds.
Infogain interview questions for designations
I applied via Approached by Company and was interviewed before Jul 2022. There were 4 interview rounds.
I applied via Recruitment Consultant and was interviewed in Nov 2021. There were 3 interview rounds.
I applied via Naukri.com and was interviewed before Jul 2022. There were 3 interview rounds.
I applied via Walk-in
I applied via Naukri.com and was interviewed before May 2020. There were 4 interview rounds.
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