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OLAP is for analyzing data, OLTP is for transaction processing.
OLAP stands for Online Analytical Processing, used for complex queries and data analysis.
OLTP stands for Online Transaction Processing, used for routine transactions like insert, update, delete.
OLAP systems are designed for read-heavy workloads, while OLTP systems are designed for write-heavy workloads.
OLAP systems typically have a denormalized schema for f...
Star schema has a single centralized fact table with denormalized dimensions, while snowflake schema has normalized dimensions with multiple related tables.
Star schema is easier to understand and query due to denormalized structure.
Snowflake schema saves storage space by normalizing dimensions into separate tables.
Star schema is more suitable for data warehousing and reporting purposes.
Snowflake schema is more normaliz...
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Abinito components are used in ETL processes for data integration and transformation.
Abinito components are used in ETL (Extract, Transform, Load) processes for data integration and transformation.
Some commonly used Abinito components include Input Table, Output Table, Join, Partition, Sort, Filter, and Lookup.
Abinito provides a graphical interface for designing ETL processes using these components.
Abinito components c...
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I applied via Referral and was interviewed before Dec 2020. There were 4 interview rounds.
I applied via Recruitment Consultant and was interviewed in Sep 2021. There were 4 interview rounds.
In my previous company, I worked as a Consultant where I provided expert advice and solutions to clients.
Analyzed client's business processes and identified areas for improvement
Developed and implemented strategies to optimize client's operations
Conducted market research and competitor analysis to identify market trends
Provided recommendations and solutions to clients based on data analysis
Collaborated with cross-funct...
I applied via Recruitment Consultant and was interviewed in Aug 2020. There were 4 interview rounds.
I applied via Naukri.com and was interviewed in May 2021. There was 1 interview round.
I applied via LinkedIn and was interviewed in Oct 2023. There were 3 interview rounds.
SQL and Python basic questions
Use a subquery to find the 2nd largest value in a SQL table.
Use a subquery to find the maximum value in the table
Exclude the maximum value from the results to find the 2nd largest value
I applied via Naukri.com and was interviewed before May 2023. There were 2 interview rounds.
It was decent round.
I was interviewed before Mar 2023.
Fractals are complex geometric shapes that can be split into parts, each of which is a reduced-scale copy of the whole.
Fractals exhibit self-similarity, meaning they look similar at any scale or magnification.
Examples of fractals include the Mandelbrot set, Koch snowflake, and Sierpinski triangle.
Fractals are used in various fields such as mathematics, computer graphics, and art.
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