JK Tech Plsql Developer Interview Questions and Answers

Q1. Tell me about your self
Ans. So before going to answer you should know about your goals about your passion etc
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Q2. Tell me something about the company
Ans. So before going to interview you should know everything about these companies
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Q1. Pattern printing
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Q1. Basic front end questions
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Box problems. You'll find it on youtube

Q1. Basic concepts of OS, CN, OOPS and about Projects you have done
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Q1. Fundamental of javaScript
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Q2. Fundamentals of React
Ans. 
React is a JavaScript library for building user interfaces.
• React allows developers to create reusable UI components.

• It uses a virtual DOM for efficient rendering.

• React uses JSX, a syntax extension that allows mixing HTML with JavaScript.

• State and props are used to manage data and pass information between components.
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App was given to create

Very basic aptitude questions along with few coding questions

Q1. A problem statement was given and we had to provide an optimal approach to design and handle that problem
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Q2. Oops concepts, SQL queries
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The basic question is related to profit percentage, time and distance

Q1. Is the database schema of any type?
Ans. 
Yes, the database schema can be of various types such as relational, hierarchical, network, object-oriented, etc.
• Relational database schema is the most common type, using tables to store data with relationships between them.

• Hierarchical database schema organizes data in a tree-like structure.

• Network database schema allows multiple relationships between records.

• Object-oriented database schema stores data as objects with...read more
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BASIC DSA LIKE ARRAY AND STRING

Q1. System Design for Electric Charger app ?
Ans. 
System design for an electric charger app involves creating a user-friendly interface, integrating with payment systems, and ensuring efficient charging station management.
• Design a user-friendly interface for users to locate and reserve charging stations

• Integrate with payment systems for seamless transactions

• Implement efficient charging station management to monitor availability and maintenance

• Consider scalability for ...read more
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Q2. Design digram for that ?
Ans. 
Design diagram for a software developer role.
• Use UML diagrams to show class relationships and interactions

• Include components like classes, interfaces, relationships, and methods

• Consider using tools like Lucidchart or draw.io for creating the diagram
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