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I applied via Naukri.com and was interviewed in Aug 2024. There was 1 interview round.
Remove duplicates from array of strings
Use a Set data structure to store unique elements
Convert the array to a Set to remove duplicates
Convert the Set back to an array if needed
I was interviewed in Oct 2021.
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I applied via Naukri.com and was interviewed before Sep 2023. There were 2 interview rounds.
They give you SQL assignment to complete based on that select for technical interview
Window functions in SQL are used to perform calculations across a set of table rows related to the current row.
Window functions are used to calculate values based on a set of rows related to the current row.
They allow you to perform calculations without grouping the rows into a single output row.
Examples of window functions include ROW_NUMBER(), RANK(), DENSE_RANK(), and NTILE().
Group by is used to group rows that have the same values into summary rows, while distinct is used to remove duplicate rows from a result set.
Group by is used with aggregate functions like COUNT, SUM, AVG, etc.
Distinct is used to retrieve unique values from a column or set of columns.
Group by is used to perform operations on groups of rows, while distinct is used to filter out duplicate rows.
Group by is used in conjunc...
I applied via Job Portal and was interviewed in Mar 2024. There were 3 interview rounds.
Spark cluster sizing depends on workload, data size, memory requirements, and processing speed.
Consider the size of the data being processed
Take into account the memory requirements of the Spark jobs
Factor in the processing speed needed for the workload
Scale the cluster based on the number of nodes and cores required
Monitor performance and adjust cluster size as needed
Implement a pipeline based on given conditions and data requirement
posted on 31 Dec 2024
I applied via Recruitment Consulltant and was interviewed before Dec 2023. There were 4 interview rounds.
I cannot recall the platform, but it featured a combination of Python and SQL questions, with the majority being focused on SQL.
I applied via LinkedIn and was interviewed before Jan 2022. There were 3 interview rounds.
In the first round they ask some technical mcq and gave some coding questions in python and SQL.there were less aptitude questions.
The most frequent word in a sentence can be found by counting the occurrence of each word and selecting the one with the highest count.
Split the sentence into words using whitespace as delimiter
Create a dictionary to store the count of each word
Iterate through the words and update the count in the dictionary
Find the word with the highest count in the dictionary
Simple mcq's and coding
Spark architecture is a distributed computing framework that consists of a driver program, cluster manager, and worker nodes.
Consists of a driver program that manages the execution of tasks
Utilizes a cluster manager to allocate resources and schedule tasks
Worker nodes execute the tasks and store data in memory or disk
Supports fault tolerance through resilient distributed datasets (RDDs)
I applied via Referral and was interviewed in Apr 2024. There were 2 interview rounds.
Power BI offers different types of licenses for data modeling, including Power BI Pro and Power BI Premium.
Power BI Pro license allows users to create and share reports and dashboards with others.
Power BI Premium license offers additional features such as larger data capacity and advanced AI capabilities.
Power BI Embedded license is designed for embedding reports and dashboards into custom applications.
Power BI Report ...
I applied via Approached by Company and was interviewed in Feb 2024. There was 1 interview round.
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