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Slowly changing dimensions are attributes that change over time, but at a slow rate.
SCD is a technique used in data warehousing to handle changes in dimensions over time
Type 1 SCD overwrites old data with new data
Type 2 SCD creates a new record for each change and maintains a history
Type 3 SCD adds a new column to the existing record to store the new value
Examples of SCD include customer addresses, product prices, and
I applied via Campus Placement and was interviewed before Feb 2023. There was 1 interview round.
I applied via Naukri.com and was interviewed before Jan 2021. There were 6 interview rounds.
What people are saying about Coforge
I applied via Recruitment Consultant and was interviewed in Apr 2021. There were 3 interview rounds.
Coforge interview questions for designations
I applied via Job Fair and was interviewed in Nov 2024. There were 2 interview rounds.
I applied via Campus Placement and was interviewed in Dec 2024. There were 2 interview rounds.
Basics of mathematical ability and verbal ability
Data analysis is crucial for making informed decisions, identifying trends, and solving complex problems.
Helps in making informed decisions based on data-driven insights
Identifies trends and patterns that can lead to strategic business decisions
Aids in solving complex problems by analyzing data to find root causes
Improves efficiency and effectiveness of processes through data-driven optimizations
To become a data analyst, one should focus on acquiring relevant education, gaining experience with data analysis tools, and developing strong analytical and problem-solving skills.
Obtain a degree in a related field such as statistics, mathematics, computer science, or data science.
Gain experience with data analysis tools such as SQL, Python, R, and Excel.
Develop strong analytical and problem-solving skills by working ...
I applied via Walk-in and was interviewed in Jun 2024. There was 1 interview round.
based on 6 interviews
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