Data Management Analyst

Data Management Analyst Interview Questions and Answers

Updated 10 Mar 2025

Q1. What is Data Management? Difference between Data Management & Data Governance? What is Big Data ? What are the 4V's of Big Data ? Questions on Tableau

Ans.

Data Management involves the process of collecting, storing, organizing, maintaining, and utilizing data effectively.

Data Management is the process of ensuring that data is accurate, complete, and consistent.
It involves the creation of policies and procedures for data usage, storage, and maintenance.
Data Governance is a subset of Data Management that focuses on the management of data assets and their usage.
Big Data refers to large and complex data sets that cannot be processe...read more

Q2. What is Big Data and 4V's of Data?

Ans.

Big Data refers to large and complex data sets that cannot be processed using traditional data processing methods. The 4V's of data are Volume, Velocity, Variety, and Veracity.

Volume: Refers to the amount of data being generated and stored.
Velocity: Refers to the speed at which data is being generated and processed.
Variety: Refers to the different types of data being generated, including structured, semi-structured, and unstructured data.
Veracity: Refers to the accuracy and r...read more

Q3. Difference between Data Management & Data Governance?

Ans.

Data management involves the process of collecting, storing, processing, and maintaining data, while data governance is the overall management of the availability, usability, integrity, and security of data.

Data management focuses on the technical aspects of handling data, while data governance focuses on the policies, procedures, and standards for managing data
Data management involves tasks such as data entry, data cleaning, data integration, and data storage, while data gov...read more

Q4. Write a sql query to return sum of positive and negative numbers?

Ans.

This SQL query calculates the sum of positive and negative numbers from a specified column in a table.

Use the SUM() function to aggregate values.
Filter positive and negative numbers using CASE statements.
Example: SELECT SUM(CASE WHEN number > 0 THEN number ELSE 0 END) AS positive_sum, SUM(CASE WHEN number < 0 THEN number ELSE 0 END) AS negative_sum FROM numbers_table;

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Q5. How do you determine which issue to be picked

Ans.

Issues are prioritized based on their impact on business operations and urgency of resolution.

Assess the severity of the issue and its impact on business operations
Determine the urgency of the issue and its potential to escalate
Consider the resources available to address the issue
Prioritize issues that have the highest impact on business operations and require immediate attention
Create a system for tracking and managing issues to ensure timely resolution

Q6. How do you perform impact assessment?

Ans.

Impact assessment involves evaluating potential effects of changes on data systems and processes.

Identify the scope of the change: Determine what data, processes, or systems will be affected.
Analyze potential risks: Assess how changes could impact data integrity, security, and compliance.
Engage stakeholders: Collaborate with relevant teams to gather insights and concerns regarding the change.
Evaluate alternatives: Consider different approaches to achieve the desired outcome w...read more

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