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ETL stands for Extract, Transform, Load. It is a process used in data warehousing to extract data from various sources, transform it into a consistent format, and load it into a target database.
ETL stands for Extract, Transform, Load
Extract: Involves extracting data from various sources such as databases, applications, and files
Transform: Involves cleaning, filtering, and transforming the extracted data into a consiste...
posted on 3 Sep 2024
Easy and moderate level question
Given a relevant topic and discussion on it
posted on 24 Oct 2023
I applied via Approached by Company and was interviewed before Oct 2022. There were 3 interview rounds.
Find duplicate items in array of strings.
Iterate through array and store each item in a hash set.
If item already exists in hash set, it is a duplicate.
I applied via Naukri.com and was interviewed in Jun 2021. There were 3 interview rounds.
A pivot table in Excel is a data summarization tool that allows you to reorganize and summarize selected columns and rows of data.
Allows users to summarize and analyze large datasets
Can easily reorganize data by dragging and dropping fields
Provides options to calculate sums, averages, counts, etc. for data
Helps in creating interactive reports and charts
Useful for identifying trends and patterns in data
posted on 6 Feb 2024
I applied via Recruitment Consulltant and was interviewed before Feb 2023. There was 1 interview round.
Reasoning and aptitude questions were asked
posted on 14 Mar 2022
Analyst
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