REI Systems Interview Questions, Process, and Tips

Q1. What is scrum, how to impliment it
Ans. 
Scrum is an agile project management framework that emphasizes teamwork, accountability, and iterative progress.
• Scrum involves breaking down a project into small, manageable tasks called user stories.

• It includes daily stand-up meetings to discuss progress, obstacles, and plans for the day.

• Scrum also utilizes sprint planning meetings to determine the work to be done in a sprint, typically 2-4 weeks long.

• At the end of ea...read more
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Q2. What is CR, how to handle it.
Ans. 
CR stands for Change Request, it is a formal proposal to modify a system or product.
• CR is typically submitted when there is a need to make changes to the requirements, design, or functionality of a system.

• CRs should be documented, reviewed, approved, and tracked throughout the change process.

• Handling CR involves assessing the impact of the change, estimating resources needed, prioritizing changes, and implementing them...read more
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Q1. Explain aggregation.
Ans. 
Aggregation is the process of combining and summarizing data from multiple sources into a single result.
• Aggregation involves grouping data together and performing a mathematical operation on the grouped data.

• Common aggregation functions include sum, average, count, min, and max.

• For example, calculating the total sales revenue for each month by summing the sales amounts for all transactions in that month.
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Q2. How would you SELECT data from table A that's not in table B. Do not use NOT EXISTS or LEFT JOIN.
Ans. 
Use a subquery with WHERE NOT IN to select data from table A not in table B.
• Create a subquery to select data from table B

• Use WHERE NOT IN to filter out data from table A that is in table B

• Example: SELECT * FROM tableA WHERE columnA NOT IN (SELECT columnB FROM tableB)
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AI how useful and can replace humans?

Q1. Tell me about your self
Ans. 
I am a dedicated HR professional with 5 years of experience in recruitment, employee relations, and training.
• Experienced in full-cycle recruitment process

• Skilled in conducting employee relations activities

• Proficient in developing and implementing training programs
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Q2. Your strength and weakness
Ans. 
Strength: Strong communication skills. Weakness: Perfectionism.
• Strength: Able to effectively communicate with team members and clients.

• Weakness: Struggles with delegating tasks due to desire for perfection.

• Strength: Excellent at presenting ideas and information clearly and concisely.

• Weakness: Tends to overanalyze details which can lead to delays in decision-making.
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Q1. Expects Tech Team management experience
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