VLink DB2 Database Administrator Interview Questions and Answers

Basic coding question will be there

Q1. Opps , dbms , data structure
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Q2. Explain about inheritence
Ans. 
Inheritance is a mechanism in object-oriented programming where a class can inherit properties and methods from another class.
• Inheritance allows for code reuse and promotes code organization.

• The class that is being inherited from is called the parent or base class.

• The class that inherits from the parent class is called the child or derived class.

• The child class can access all the public and protected members of the par...read more
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Q1. OOPS, Design Patterns, SOLID Principles
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Q2. Logical Programming
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Q1. Why you need new job?
Ans. 
I am seeking a new job to further develop my skills and advance my career in software engineering.
• Opportunity for professional growth

• Desire for new challenges and projects

• Better work-life balance

• Company culture and values

• Improved compensation and benefits
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Test interview questions

Q1. Test interview questions
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Q2. Devops interview questions
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Q1. Related the profile they asked about .Net , c#, linq, sqlserver, UI. related topics answer they will ask.
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Q2. Manager will ask about your project and experience.
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Q3. Answer them about your worked projects and project experience.
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Q1. HR will discuss your salary and expected salary.
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Q1. What is Django request response cycle.?
Ans. 
Django request response cycle is the process of handling a request and generating a response in Django web framework.
• Client sends a request to the server.

• The request is received by the Django server.

• Django uses URL patterns to match the requested URL to a view function.

• The view function processes the request and returns an HTTP response.

• The response is sent back to the client.
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Q2. What is django signals?
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Django signals allow certain senders to notify a set of receivers that some action has taken place.
• Signals allow decoupled applications to get notified when certain actions occur elsewhere in the application

• They are used to avoid coupling between applications

• Signals are defined by providing a receiver function which gets called when the signal is sent

• Example: A signal can be sent when a new user is created, and a recei...read more
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Q3. Difference between list and tuple, list and array.
Ans. 
Lists and tuples are similar but tuples are immutable. Arrays are fixed size while lists are dynamic.
• Lists and tuples are both used to store collections of data.

• Tuples are immutable, meaning their values cannot be changed once created.

• Lists are dynamic and can be resized during runtime.

• Arrays are fixed size and can only store elements of the same data type.

• Lists and arrays can be indexed and sliced to access specific e...read more
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Q4. How to define private variables ?
Ans. 
Private variables are defined using access modifiers to restrict their access within a class.
• Use the 'private' keyword to define a private variable

• Private variables can only be accessed within the class they are defined in

• Private variables are often used to encapsulate data and prevent direct access from outside the class
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Q5. Oops concept, and 4 pillars of oops.
Ans. 
Oops concept is a programming paradigm based on the principles of abstraction, encapsulation, inheritance, and polymorphism.
• Abstraction: Hiding the implementation details and showing only the necessary information to the user.

• Encapsulation: Binding the data and methods together to protect the data from outside interference.

• Inheritance: Creating a new class from an existing class to reuse the code and add new features.

• P...read more
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Q6. What is decorator. ?
Ans. 
A decorator is a design pattern that allows behavior to be added to an individual object, either statically or dynamically.
• Decorators wrap an object to modify its behavior.

• They provide a flexible alternative to subclassing for extending functionality.

• Python has built-in support for decorators, which are denoted by the @ symbol.

• Examples of decorators include @staticmethod, @classmethod, and @property.
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1.Reverse a list
2.find pairs from a list sum of which is equal to an integer k.

Q1. Difference between pull and push
Ans. 
Pull is when the client initiates the request for data, while push is when the server sends data without a request.
• Pull: Client initiates request for data

• Push: Server sends data without request

• Pull: Used in polling mechanisms

• Push: Used in real-time communication systems
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Q2. Difference between pull and fetch
Ans. 
Pull and fetch are both Git commands used to update a local repository with changes from a remote repository, but they have different behaviors.
• Pull: updates the current branch with changes from the remote repository and merges them into the local branch.

• Fetch: downloads changes from the remote repository to the local repository, but does not merge them into the local branch.

• Pull is a combination of fetch and merge, wh...read more
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Q1. Where you see yourself in next five years
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The test difficulty level was low and was about 30min. The number of questions given to solve were 45.

The coding round was of medium level, after the test result was assigned to QA role.

Test was on hackerrank

Basic apti and logical reasoning questions

Q1. HR asked behavourial questions
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Q2. Are you willing to relocate?
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Q3. What are your strengths
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