Ocrolus East Data Entry Operator Interview Questions and Answers for Experienced

Basic python, sql and pandas questions

Q1. Case study (Probability questions)
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Q2. Resume projects
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Q1. Case Study of zomato ?
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Q2. Some basic math questions. Simultaneous equations .
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Q1. Past experience. Profile handled in last org.
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Q2. Portfolio details with KPI
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Q1. Same as above in detail
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Q2. In details discussion on portfolio
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Q1. Work experience and company rules
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Round duration - 90 Minutes
Round difficulty - Easy

Problem solving using SQL questions

Round duration - 90 Minutes
Round difficulty - Easy

A marketing campaign is run, how will you decide metrics to be tracked. Techincaly a KPI round

Q1. In a marketing campaign, how would you decide which metrics to track?
Ans. 
Metrics selection based on campaign objectives, target audience, and key performance indicators.
• Identify campaign objectives and goals

• Consider target audience and their behavior

• Select key performance indicators (KPIs) relevant to the campaign

• Track metrics such as conversion rate, click-through rate, ROI, customer acquisition cost

• Analyze data to measure success and make data-driven decisions
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Round duration - 30 Minutes
Round difficulty - Easy

Social empathatic fit round

Basic aptitude test to check the right skill set

Q1. Technical knowledge about the role, responsibilities, etc with various situation handling, decision making
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Q1. One on one round with AVP on skill set and knowledge
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Q1. One on one round with the CS head
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Q1. Final discussion on pay package, joining and other stuffs
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Q1. Basic SQL questions are asked in this round Some theory questions are asked as well
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Q1. Types of Window Function
Ans. 
Window functions are used in SQL to perform calculations across a set of table rows related to the current row.
• Types include ROW_NUMBER(), RANK(), DENSE_RANK(), NTILE(), LAG(), LEAD(), FIRST_VALUE(), LAST_VALUE(), etc.

• They allow for calculations to be performed on a specific subset of rows within a query result set.

• Window functions are commonly used for running totals, moving averages, and ranking data.
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Q2. Difference between Joins with examples
Ans. 
Joins are used to combine rows from two or more tables based on a related column between them.
• Inner Join: Returns rows when there is a match in both tables.

• Left Join: Returns all rows from the left table and the matched rows from the right table.

• Right Join: Returns all rows from the right table and the matched rows from the left table.

• Full Outer Join: Returns rows when there is a match in one of the tables.

• Cross Join: ...read more
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Intermediate level coding round

Q1. Project explaination
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Q2. Explain project ind detail
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