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Orion
Innovation
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SQL optimization involves techniques to enhance query performance and database efficiency.
Use indexes wisely: Create indexes on columns frequently used in WHERE clauses. Example: CREATE INDEX idx_name ON table_name(column_name);
Avoid SELECT *: Specify only the columns you need to reduce data transfer. Example: SELECT column1, column2 FROM table_name;
Optimize JOINs: Use INNER JOIN instead of OUTER JOIN when possibl...
Implement authentication and authorization to restrict module downloads for unauthorized users.
Use authentication mechanisms like OAuth or JWT to verify user identity.
Implement role-based access control (RBAC) to restrict access to certain modules.
Serve modules through a backend API that checks user permissions before allowing downloads.
Utilize Content Security Policy (CSP) to prevent unauthorized access to resour...
Inheritance in TypeScript allows classes to extend other classes, promoting code reuse and organization.
TypeScript supports single inheritance, where a class can extend only one base class.
Use the 'extends' keyword to create a subclass. Example: class Dog extends Animal {}
Subclasses can override methods from the parent class. Example: class Dog extends Animal { bark() { console.log('Woof!'); } }
You can call the pa...
Web components are reusable custom elements that encapsulate functionality and styling for web applications.
Encapsulation: Web components allow developers to create self-contained elements with their own HTML, CSS, and JavaScript.
Reusability: Once created, web components can be reused across different projects or applications, promoting consistency.
Custom Elements: Developers can define new HTML tags (e.g., <my...
OOPs stands for Object-Oriented Programming. It is a programming paradigm based on the concept of objects.
OOPs focuses on creating objects that contain data and methods to manipulate that data.
Encapsulation is the concept of bundling data and methods that operate on the data into a single unit.
Inheritance allows a class to inherit properties and behavior from another class.
Polymorphism allows objects to be treated...
The three financial statements - income statement, balance sheet, and cash flow statement - are interlinked through the flow of information and transactions.
Income statement shows the company's revenues and expenses, which affect the net income reported on the statement.
Net income from the income statement flows into the balance sheet as retained earnings, affecting the equity section of the balance sheet.
Cash flo...
Financial analysts analyze financial data to help businesses make informed decisions about investments, budgets, and overall financial health.
Analyze financial statements to assess performance and make recommendations
Evaluate economic trends to forecast future financial conditions
Conduct industry research to understand market dynamics
Create financial models to support decision-making
Communicate findings and recomm...
Xpath find with siblings is used to locate an element based on its relationship with other elements.
Use the following syntax to find an element with its sibling: 'element1/following-sibling::element2'
For example, to find a paragraph element following a heading element: 'h1/following-sibling::p'
Agile process is a iterative approach to software development that focuses on collaboration, flexibility, and customer feedback.
Iterative development with short cycles called sprints
Cross-functional teams work together closely
Customer feedback is incorporated throughout the process
Adaptability to changing requirements
Regular meetings like daily stand-ups and sprint reviews
Locators are strategies used in automation testing to identify and interact with web elements in a user interface.
Types of locators include ID, Name, Class Name, Tag Name, CSS Selector, and XPath.
ID: Unique identifier for an element. Example: driver.findElement(By.id('submitBtn')).
Name: Used to locate elements by their name attribute. Example: driver.findElement(By.name('username')).
Class Name: Targets elements by...
I appeared for an interview in Feb 2025.
MCQs , Coding, Para writing etc.
I applied via Approached by Company and was interviewed in Apr 2024. There were 2 interview rounds.
K-means clustering is an unsupervised learning algorithm that partitions data into K distinct clusters based on feature similarity.
K-means aims to minimize the variance within each cluster.
It requires the number of clusters (K) to be specified beforehand.
Commonly used in market segmentation to identify customer groups.
Applied in image compression by reducing the number of colors.
Used in document clustering to group sim...
K in KNN and K-means represents the number of clusters or neighbors to consider in classification or clustering tasks.
KNN (K-Nearest Neighbors) uses 'K' to define how many nearest neighbors to consider for classifying a data point.
For example, in KNN with K=3, the algorithm looks at the 3 closest data points to determine the class of a new point.
K-means clustering uses 'K' to specify the number of clusters to form from...
Random Forest is an ensemble learning method using multiple decision trees for classification and regression tasks.
Ensemble method: Combines predictions from multiple decision trees to improve accuracy.
Reduces overfitting: By averaging multiple trees, it mitigates the risk of overfitting seen in single decision trees.
Feature importance: Provides insights into which features are most influential in making predictions.
Ex...
I appeared for an interview in Apr 2025, where I was asked the following questions.
Guards are mechanisms that control access to routes or components in applications, ensuring proper user permissions and navigation.
Guards are often used in frameworks like Angular to protect routes.
They can check user authentication status before allowing access.
Example: A route guard can redirect unauthenticated users to a login page.
Guards can also be used to prevent access based on user roles, e.g., admin vs. user.
T...
Implement authentication and authorization to restrict module downloads for unauthorized users.
Use authentication mechanisms like OAuth or JWT to verify user identity.
Implement role-based access control (RBAC) to restrict access to certain modules.
Serve modules through a backend API that checks user permissions before allowing downloads.
Utilize Content Security Policy (CSP) to prevent unauthorized access to resources.
E...
Inheritance in TypeScript allows classes to extend other classes, promoting code reuse and organization.
TypeScript supports single inheritance, where a class can extend only one base class.
Use the 'extends' keyword to create a subclass. Example: class Dog extends Animal {}
Subclasses can override methods from the parent class. Example: class Dog extends Animal { bark() { console.log('Woof!'); } }
You can call the parent ...
Angular design patterns enhance code organization, maintainability, and scalability in web applications.
Component-Based Architecture: Angular promotes reusable components, making it easier to manage UI elements.
Service Pattern: Use services for business logic and data management, promoting separation of concerns. Example: AuthService for user authentication.
Dependency Injection: Angular's DI system allows for better co...
Web components are reusable custom elements that encapsulate functionality and styling for web applications.
Encapsulation: Web components allow developers to create self-contained elements with their own HTML, CSS, and JavaScript.
Reusability: Once created, web components can be reused across different projects or applications, promoting consistency.
Custom Elements: Developers can define new HTML tags (e.g., <my-butt...
View vs indexed view, pipeline design process, monitoring pipeline failures and fixing
View is a virtual table based on a SELECT query, while indexed view is a view with a clustered index for faster retrieval
Pipeline design process involves defining data sources, transformations, and destinations
Monitor pipeline failures using logging tools like Apache NiFi or Airflow
Fix pipeline failures by identifying the root cause, ...
I applied via Walk-in and was interviewed in Sep 2024. There was 1 interview round.
The three financial statements - income statement, balance sheet, and cash flow statement - are interlinked through the flow of information and transactions.
Income statement shows the company's revenues and expenses, which affect the net income reported on the statement.
Net income from the income statement flows into the balance sheet as retained earnings, affecting the equity section of the balance sheet.
Cash flow sta...
Ratios are used to evaluate a company's financial performance by comparing different financial metrics.
Ratios can be categorized into liquidity ratios, profitability ratios, solvency ratios, and efficiency ratios.
Examples of ratios include current ratio, return on equity, debt-to-equity ratio, and inventory turnover ratio.
These ratios help analysts assess a company's financial health, operational efficiency, and overal...
Financial analysts analyze financial data to help businesses make informed decisions about investments, budgets, and overall financial health.
Analyze financial statements to assess performance and make recommendations
Evaluate economic trends to forecast future financial conditions
Conduct industry research to understand market dynamics
Create financial models to support decision-making
Communicate findings and recommendat...
I bring a strong analytical skillset, proven track record in financial analysis, and a dedication to delivering accurate and insightful recommendations.
Proven track record in financial analysis
Strong analytical skills
Dedication to delivering accurate and insightful recommendations
I am a highly motivated financial analyst with a strong background in financial modeling and data analysis.
I have a Bachelor's degree in Finance from XYZ University.
I have 5 years of experience working as a financial analyst at ABC Company.
I am proficient in Excel, financial modeling, and data visualization tools like Tableau.
I have a proven track record of providing accurate financial forecasts and recommendations to ...
I applied via Naukri.com and was interviewed in Aug 2024. There were 3 interview rounds.
MCQ questions basic technology questions
Writing assignment on Crypto currency
Agile process is a iterative approach to software development that focuses on collaboration, flexibility, and customer feedback.
Iterative development with short cycles called sprints
Cross-functional teams work together closely
Customer feedback is incorporated throughout the process
Adaptability to changing requirements
Regular meetings like daily stand-ups and sprint reviews
Locators are strategies used in automation testing to identify and interact with web elements in a user interface.
Types of locators include ID, Name, Class Name, Tag Name, CSS Selector, and XPath.
ID: Unique identifier for an element. Example: driver.findElement(By.id('submitBtn')).
Name: Used to locate elements by their name attribute. Example: driver.findElement(By.name('username')).
Class Name: Targets elements by thei...
Xpath find with siblings is used to locate an element based on its relationship with other elements.
Use the following syntax to find an element with its sibling: 'element1/following-sibling::element2'
For example, to find a paragraph element following a heading element: 'h1/following-sibling::p'
I applied via Naukri.com and was interviewed in Apr 2024. There were 2 interview rounds.
Agile process is a software development methodology that emphasizes flexibility, collaboration, and iterative development.
Iterative development with short cycles called sprints
Frequent collaboration between cross-functional teams
Adaptability to changing requirements
Continuous feedback and improvement
Use of tools like Scrum, Kanban, or XP
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Some of the top questions asked at the Orion Innovation interview -
The duration of Orion Innovation interview process can vary, but typically it takes about less than 2 weeks to complete.
based on 36 interview experiences
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