Market Xcel Data Matrix Research Intern Interview Questions and Answers

Q1. Cosumption of potatoes respective state
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Potato consumption varies across states in India.
• Potatoes are a staple food in many Indian households.

• States like West Bengal, Uttar Pradesh, and Bihar consume the most potatoes.

• In South India, rice is the primary staple food, so potato consumption is relatively lower.

• Potatoes are also used in various dishes like aloo gobi, aloo paratha, and samosas.

• Potato chips and French fries are popular snacks across the country.
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Q2. Governer of Reserve Bank of India
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Q1. Introduce Yourself?
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Logical Reasoning & Aptitude test, Grammar test.

Q1. You are given some EAN number, bases on that you have to find details of the product and answer the questions.
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Q2. 1. Introduction 2. Questions about Prior work experience.
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Q1. Opps concept with MVC architecture
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OOP concepts enhance MVC architecture by promoting modularity, reusability, and separation of concerns in software development.
• Encapsulation: MVC encapsulates data and behavior, e.g., a Model class that manages user data.

• Inheritance: Controllers can inherit common functionality from a base controller, reducing code duplication.

• Polymorphism: Different Models can implement the same interface, allowing for flexible data h...read more
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Q2. Sql server like indexes join
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Q3. Your previous Project role
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In my previous project, I served as a full-stack developer, focusing on both front-end and back-end development to enhance user experience.
• Led a team of 5 developers to create a responsive web application using React and Node.js.

• Implemented RESTful APIs to facilitate seamless communication between the front-end and back-end.

• Optimized application performance, reducing load times by 30% through code refactoring and effic...read more
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Q4. Your previous company background
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I worked at XYZ Corp, focusing on full-stack development and enhancing user experience through innovative software solutions.
• Developed a web application using React and Node.js, improving load times by 30%.

• Collaborated with cross-functional teams to implement Agile methodologies, resulting in a 20% increase in project delivery speed.

• Led a team of 5 developers in creating a mobile app that won the 'Best Innovation' awar
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Q1. Tableau difference between blend &join
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Blend combines data from different data sources in a single view, while join combines data from the same data source.
• Blend is used when data comes from different data sources, join is used when data comes from the same data source

• Blend creates a relationship between data sources without actually merging the data, join merges the data based on a common field

• Blend can be used to combine data from different databases like...read more
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Q1. SQL-related questions working of self join and what will be used in case of 2nd max
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Q1. Basic details as to why looking for a change
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Q1. Intermediate questions for tableau, SQL
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Q1. Managerial interview
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Q1. Salary negotiation
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Q1. Tell me about tableau architecture
Ans. 
Tableau architecture is a visual analytics platform that helps users to understand data through interactive visualizations.
• Tableau consists of three main components: Data Connection, Data Engine, and VizQL Server.

• Data Connection allows users to connect to various data sources such as databases, spreadsheets, and cloud services.

• Data Engine processes and optimizes data queries for faster performance.

• VizQL Server translat...read more
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