ValueLabs Technical Analyst Interview Questions and Answers

Q1. Introduce yourself
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Q2. Introduced myself
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Good and confident level increaser

Write a program to convert digits in to numbers

Q1. Scenario of data migration
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Q1. OOPS concepts with examples
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OOP concepts include inheritance, encapsulation, polymorphism, and abstraction.
• Inheritance: Allows a class to inherit properties and behavior from another class. Example: class Dog extends Animal.

• Encapsulation: Bundles data and methods that operate on the data into a single unit. Example: private variables with public methods.

• Polymorphism: Allows objects of different classes to be treated as objects of a common supercl...read more
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Q2. Explain NF in sql & ACID concepts
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NF in SQL refers to Normal Form which is used to eliminate redundancy in database design. ACID concepts ensure data integrity in transactions.
• NF in SQL stands for Normal Form and is used to organize data in a database to eliminate redundancy and dependency.

• There are different levels of NF such as 1NF, 2NF, 3NF, and BCNF, each with specific rules to follow.

• ACID concepts (Atomicity, Consistency, Isolation, Durability) en...read more
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Q1. What are the python Class lifestyle method
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Python class lifestyle methods are special methods that are automatically called at different points in the life cycle of a class object.
• Constructor method (__init__): Called when a new instance of the class is created.

• Destructor method (__del__): Called when an instance of the class is about to be destroyed.

• String representation method (__str__): Called when the object needs to be represented as a string.

• Getter and se...read more
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Q1. Python coding on data type conversion and indexes
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Q2. SQL windows functions
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Q1. Behavioral questions
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Q2. Technical questions scenario based
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Q1. Salary discussion
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Q1. What are higher order functions in javascript
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Higher order functions in JavaScript are functions that can take other functions as arguments or return functions as output.
• Higher order functions can be used to create more flexible and reusable code.

• Examples include functions like map, filter, and reduce in JavaScript.

• They allow for functions to be passed as parameters, making code more concise and readable.
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Q2. Make a component for utilizing data from an API
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Create a component to fetch and display data from an API
• Use a library like Axios or Fetch to make API requests

• Parse the JSON data received from the API

• Display the data in a user-friendly format on the front end
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