EHNOTE SQL Developer Interview Questions and Answers

Q1. All OOPs concepts
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Q2. Angular questions
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Q3. 1-2 SQL questions
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60 min coding test. After coding test there will be 2 technical discission

Q1. 3 coding questions
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Q1. Javascript-based questions. What is a closure? What is debouncing? Tell about promises? What is async await? What are React lifecycle methods? What is React components?
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Q2. What are synthetic events? How to make HTTP calls?
Ans. 
Synthetic events are events created by React to handle user interactions. HTTP calls can be made using fetch or axios.
• Synthetic events are React's way of handling user interactions like click, hover, etc.

• They are created by React and are not native browser events.

• HTTP calls can be made using fetch or axios libraries.

• Fetch is a built-in browser API while axios is a third-party library.

• Both fetch and axios return Promise
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Q1. General discussion about your projects.
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Q2. What is an array, linked list, or queue?
Ans. 
An array is a collection of elements of the same data type. A linked list is a collection of nodes that point to the next node. A queue is a collection of elements that follows the FIFO principle.
• Arrays are indexed and can be accessed using the index number.

• Linked lists are dynamic and can be easily modified.

• Queues are used to implement a waiting list and can be implemented using arrays or linked lists.

• Examples: Array ...read more
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Q1. All HR general questions and salary discussions.
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Q1. Basic javascript and react
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Q1. Output based simple coding binary search
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30-40 minutes for the first round of interview

Basics of java script like data types, pagination , and about the css grid , box model , flex.

More about the java script and java script library like react- API call , props , state management

Q1. Why are you looking for this organization
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Q2. What would be your expectation and what are the thing that excites you to work in a startup
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