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I applied via Campus Placement and was interviewed in Dec 2024. There were 2 interview rounds.
Basics of mathematical ability and verbal ability
I have worked on various data analysis projects involving market research, customer segmentation, and predictive modeling.
Market research project involved analyzing customer demographics and preferences to identify target markets.
Customer segmentation project focused on dividing customers into distinct groups based on behavior and characteristics.
Predictive modeling project used historical data to forecast future trend...
Data analytics is the process of analyzing raw data to draw conclusions and make informed decisions.
Data analytics involves collecting, cleaning, and transforming data into insights.
It uses statistical analysis, machine learning, and data visualization techniques.
Examples include analyzing sales data to identify trends, predicting customer behavior, and optimizing marketing campaigns.
I applied via Campus Placement and was interviewed before Apr 2023. There were 2 interview rounds.
Shuffle and merge are key processes in Hadoop for distributing data across nodes and combining results.
Shuffle is the process of transferring data from mappers to reducers in Hadoop.
Merge is the process of combining the output from multiple reducers into a single result.
Shuffle and merge are essential for parallel processing and efficient data analysis in Hadoop.
Example: In a word count job, shuffle will group words by...
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Work details involve analyzing data, creating reports, and providing insights to support decision-making.
Analyze data to identify trends and patterns
Create reports and visualizations to communicate findings
Collaborate with stakeholders to understand business needs
Use statistical tools and techniques to draw conclusions
Provide insights and recommendations based on data analysis
Ensure data accuracy and integrity
Stay upda
I applied via Referral and was interviewed in Jul 2020. There were 3 interview rounds.
I applied via Recruitment Consultant and was interviewed in Apr 2020. There were 4 interview rounds.
I applied via Walk-in and was interviewed before Jun 2020. There was 1 interview round.
I applied via Company Website and was interviewed before Jun 2020. There were 4 interview rounds.
MongoDB database algorithms are used for efficient data storage, retrieval, and processing.
MongoDB uses various algorithms for indexing, sharding, and aggregation.
Indexing algorithms include B-tree, hash, and text search indexes.
Sharding algorithms include range-based, hash-based, and zone-based sharding.
Aggregation algorithms include map-reduce and aggregation pipeline.
MongoDB also uses algorithms for query optimizati
I applied via Recruitment Consultant and was interviewed in Aug 2020. There were 4 interview rounds.
I applied via Naukri.com and was interviewed before Aug 2021. There were 2 interview rounds.
Structured Query Language (SQL) is a programming language used to manage and manipulate relational databases.
SQL is used to create, modify, and delete databases, tables, and data
It is used to retrieve data from databases using queries
SQL is used to perform operations on data such as sorting, filtering, and grouping
Examples of SQL-based database management systems include MySQL, Oracle, and Microsoft SQL Server
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