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I applied via Walk-in and was interviewed before Jun 2022. There were 4 interview rounds.
I got a data set to work and bring it next day to show the visuals and reporting skills.
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posted on 12 Feb 2025
I appeared for an interview before Feb 2024.
I applied via Company Website and was interviewed in Sep 2023. There were 3 interview rounds.
Test was of 20 questions 20 minutes medium level aptitude questions
I applied via Naukri.com and was interviewed in Jun 2024. There was 1 interview round.
ETL process involves extracting data from various sources, transforming it to fit business needs, and loading it into a target database.
Extract: Retrieve data from different sources like databases, files, APIs, etc.
Transform: Clean, filter, aggregate, and convert data to meet business requirements.
Load: Insert the transformed data into a target database or data warehouse.
Example: Extracting sales data from a CRM system...
Use os.path.getsize() to check if file size is 0
Use os.path.getsize() to get the size of the file in bytes
Check if the size is 0 to determine if the file is empty
I applied via Approached by Company and was interviewed in Jun 2022. There were 5 interview rounds.
I appeared for an interview before Jan 2024.
I applied via Company Website and was interviewed before Sep 2022. There were 3 interview rounds.
Outliers can be overcome by identifying and removing them or by transforming the data.
Identify outliers using statistical methods like z-scores or box plots.
Remove outliers by either deleting the data points or replacing them with a more appropriate value.
Transform the data using techniques like winsorization or log transformation to reduce the impact of outliers.
Consider the context and domain knowledge to determine t...
I appeared for an interview before Feb 2024.
I applied via Approached by Company and was interviewed before Apr 2021. There were 2 interview rounds.
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