BUSINESSNEXT Interview Questions, Process, and Tips for Experienced

Q1. 1. What is Dynamic Query 2. Types of indexes 3. Query optimization techniques
Ans. 
Dynamic query is a query that is constructed at runtime based on user input or conditions.
• Dynamic query allows for flexibility in querying data based on changing criteria.

• Types of indexes include clustered, non-clustered, unique, and composite indexes.

• Query optimization techniques include indexing, using proper join types, avoiding unnecessary columns in SELECT statements, and using WHERE clauses effectively.
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Q1. Explain MVC lifecycle
Ans. 
MVC lifecycle involves request routing, controller execution, view rendering, and response generation.
• Request is received by the routing engine which determines the appropriate controller and action method to handle the request.

• Controller executes the action method, interacts with the model to retrieve data, and passes it to the view.

• View renders the data received from the controller and generates the HTML response.

• Res...read more
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Test is at good level

Q1. Related to oops
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There are 25th logical reasoning questions

Q1. Html, react, ds question
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Q1. What is webpack
Ans. 
Webpack is a module bundler for JavaScript applications.
• Webpack takes modules with dependencies and generates static assets representing those modules.

• It can handle various types of assets like JavaScript, CSS, images, and fonts.

• Webpack allows for code splitting, lazy loading, and hot module replacement.

• It has a rich plugin ecosystem to extend its functionality.

• Commonly used configuration file for webpack is webpack.co
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Q2. What is the role of babel
Ans. 
Babel is a JavaScript compiler that converts modern JavaScript code into backward-compatible versions for browser compatibility.
• Babel allows developers to write code using the latest ECMAScript features without worrying about browser support.

• It transforms JSX syntax used in React components into regular JavaScript.

• Babel can also be configured to support specific browsers or environments.

• Plugins can be added to Babel fo
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Q1. What is HOC in React
Ans. 
HOC stands for Higher Order Component in React, a pattern where a function takes a component and returns a new component.
• HOC is a function that takes a component and returns a new component with additional props or functionality.

• It is used for code reusability, logic abstraction, and cross-cutting concerns like logging, authentication, etc.

• Example: withAuth HOC can add authentication logic to a component by checking if
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Q2. What are lifecycle methods in React js
Ans. 
Lifecycle methods in React js are special methods that allow developers to hook into the component lifecycle and perform actions at specific points.
• componentDidMount() - called after the component is rendered for the first time

• componentDidUpdate() - called after the component's updates are flushed to the DOM

• componentWillUnmount() - called before the component is removed from the DOM
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