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Windows function in SQL is used to perform calculations across a set of rows that are related to the current row.
Windows functions are used to calculate values based on a group of rows
They are used with the OVER clause
Examples include ROW_NUMBER(), RANK(), DENSE_RANK(), SUM(), AVG(), MIN(), MAX()
posted on 22 May 2023
I applied via Company Website and was interviewed before May 2022. There were 2 interview rounds.
posted on 8 Feb 2025
I was interviewed in Jan 2025.
I applied via Naukri.com and was interviewed in Nov 2020. There were 4 interview rounds.
I applied via Job Portal and was interviewed before Jan 2021. There were 2 interview rounds.
Coalesce reduces the number of partitions in a DataFrame, while repartition increases the number of partitions.
Coalesce is used to reduce the number of partitions in a DataFrame without shuffling the data
Repartition is used to increase the number of partitions in a DataFrame and can involve shuffling the data
Coalesce is more efficient than repartition when reducing partitions as it avoids shuffling
I was interviewed before May 2023.
I applied via Recruitment Consulltant and was interviewed before Jun 2023. There was 1 interview round.
React Js allows for efficient and reusable UI components, virtual DOM for faster rendering, and easy integration with other libraries.
Efficient and reusable UI components make development faster and easier.
Virtual DOM allows for faster rendering by only updating the parts of the DOM that have changed.
Easy integration with other libraries like Redux for state management.
React Native allows for building mobile apps using
I applied via Referral and was interviewed before Dec 2023. There was 1 interview round.
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