10+ Tropical Solar Interview Questions and Answers

CRM is essential for businesses to manage customer relationships, improve sales, and enhance customer satisfaction.

• CRM helps businesses centralize customer data and track interactions.

• It enables businesses to personalize customer experiences and tailor marketing campaigns.

• CRM improves sales efficiency by automating processes and providing insights for better decision-making.

• It enhances customer satisfaction through better customer service and support.

• CRM fosters collaboration...read more

Precision and Recall are evaluation metrics for classification models. Feature selection is important for model performance. P-value is a statistical measure.

• Precision is the ratio of true positives to the total predicted positives. Recall is the ratio of true positives to the total actual positives.

• Precision is important when false positives are costly, while recall is important when false negatives are costly.

• Feature selection involves identifying the most relevant features...read more

Webservices and WCF are both used for communication between applications. Abstraction is a concept in programming. Boxing and unboxing are operations in .NET.

• Webservices and WCF are both used for communication between applications, but WCF provides more advanced features like message queuing and reliable sessions.

• Abstraction is a concept in programming that allows us to hide complex implementation details and only expose the necessary functionality.

• There are two types of abst...read more

Query to find duplicate records in SDG team

• Use GROUP BY clause to group records by relevant columns

• Use HAVING clause to filter groups with count greater than 1

• Specify relevant columns in SELECT statement

• Example: SELECT name, email, COUNT(*) FROM sdg_team GROUP BY name, email HAVING COUNT(*) > 1

Caching is a technique to store frequently accessed data in a temporary storage to improve performance.

• Caching improves application performance by reducing the need to fetch data from the original source.

• Types of caching include in-memory caching, database caching, and distributed caching.

• In-memory caching stores data in the application's memory for quick access.

• Database caching stores frequently accessed data in a separate cache database.

• Distributed caching distributes the c...read more

The candidate is asked to write queries and joins.

• Understand the requirements and constraints of the query

• Identify the tables and columns needed for the query

• Write the query using appropriate syntax and functions

• Use joins to combine data from multiple tables

• Test the query to ensure it returns the expected results

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.

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

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 for additional functionality or language features.

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.config.js.

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 the user is logged in.

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.

• Response is sent back to the client for display in the browse...read more