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Clustered index physically reorders the data in the table while non-clustered index creates a separate structure.
Clustered index determines the physical order of data in the table, while non-clustered index does not.
A table can have only one clustered index but multiple non-clustered indexes.
Clustered index is faster for retrieval of data but slower for insert and update operations.
Non-clustered index is slower fo...
I have 3 years of experience as an ASP Core Web API and ReactJs Developer.
3 years of experience in ASP Core Web API development
Proficient in ReactJs development
Developed multiple projects using ASP Core Web API and ReactJs
States are mutable data managed within a component, while Props are immutable data passed from parent to child components.
States are managed within a component and can be changed by the component itself
Props are passed from parent to child components and cannot be changed by the child component
States are used for internal component data management, while Props are used for passing data from parent to child compone...
Context API is a built-in feature in React for managing global state, while Redux is a standalone library for state management.
Context API is built into React, while Redux is a separate library.
Context API is primarily used for managing global state in a React application.
Redux provides a centralized store for managing state across the application.
Context API is simpler to use for smaller applications, while Redux...
Optimizing SQL queries involves using indexes, minimizing data retrieval, and avoiding unnecessary joins.
Use indexes on columns frequently used in WHERE clauses
Minimize data retrieval by selecting only necessary columns
Avoid unnecessary joins by using EXISTS or IN clauses instead of JOINs
Views are virtual tables, procedures are reusable code blocks, functions return values
Views are virtual tables that display data from one or more tables
Procedures are reusable code blocks that can be called multiple times
Functions return a single value based on input parameters
Views are read-only, while procedures and functions can modify data
Examples: View - SELECT * FROM employees_view; Procedure - EXECUTE get_e...
Code First: Develop database from code. Database First: Generate code from existing database.
Code First: Focus on code design and then generate database schema.
Database First: Focus on existing database schema and generate code classes.
Code First: More control over database design and relationships.
Database First: Faster development for existing databases.
Code First: Entity Framework Code First approach.
Database F...
To connect SQL to ASP Core Web API, you need to configure a database connection in the API project.
Configure a connection string in the appsettings.json file of the API project.
Install Entity Framework Core package in the API project.
Create a DbContext class that inherits from DbContext and represents the database.
Use dependency injection to inject the DbContext into the API controllers.
LINQ (Language Integrated Query) is a feature in C# that allows for querying data from different data sources using a uniform syntax.
LINQ allows for querying data from collections, databases, XML, and more.
It provides a set of standard query operators like Where, Select, OrderBy, etc.
LINQ queries are written in a declarative syntax similar to SQL.
Example: var result = from num in numbers where num % 2 == 0 select ...
Use indexing, limit the columns retrieved, optimize queries, use pagination
Create indexes on columns frequently used in queries
Limit the columns retrieved to only those needed
Optimize queries by using WHERE clauses and avoiding SELECT *
Implement pagination to retrieve records in smaller chunks
Clustered index physically reorders the data in the table while non-clustered index creates a separate structure.
Clustered index determines the physical order of data in the table, while non-clustered index does not.
A table can have only one clustered index but multiple non-clustered indexes.
Clustered index is faster for retrieval of data but slower for insert and update operations.
Non-clustered index is slower for ret...
I applied via Indeed and was interviewed before Jul 2022. There were 3 interview rounds.
ASP.NET Core is a cross-platform, high-performance framework for building modern, cloud-based, internet-connected applications.
Cross-platform framework for building web applications
High-performance and scalable
Supports cloud-based and internet-connected applications
Open-source and actively maintained by Microsoft
Modular design for flexibility and extensibility
Key features of ASP Dot Net CORE include cross-platform support, high performance, and modularity.
Cross-platform support allows developers to build and run applications on Windows, macOS, and Linux.
High performance achieved through features like a new lightweight and modular HTTP request pipeline.
Modularity enables developers to include only the necessary components in their applications, reducing the overall size and ...
Entity Framework Core is an ORM framework that allows developers to work with databases using .NET applications.
Entity Framework Core is an Object-Relational Mapping (ORM) framework for .NET applications.
It allows developers to work with databases using .NET objects and LINQ queries.
EF Core supports various database providers such as SQL Server, SQLite, MySQL, etc.
It simplifies data access and persistence by handling d...
Use the DISTINCT keyword in an SQL query to remove duplicate records.
Use the SELECT DISTINCT statement to retrieve unique records.
Identify the columns that should be used to determine uniqueness.
Consider using GROUP BY clause with aggregate functions if needed.
Joins are used to combine rows from two or more tables based on a related column, while subqueries are nested queries used to return data for the main query.
Joins are used to retrieve data from multiple tables based on a related column
Subqueries are nested queries within a main query to return data for the main query
Joins are typically more efficient than subqueries for large datasets
Joins can be of different types lik...
Views are virtual tables, procedures are reusable code blocks, functions return values
Views are virtual tables that display data from one or more tables
Procedures are reusable code blocks that can be called multiple times
Functions return a single value based on input parameters
Views are read-only, while procedures and functions can modify data
Examples: View - SELECT * FROM employees_view; Procedure - EXECUTE get_employ...
Code First: Develop database from code. Database First: Generate code from existing database.
Code First: Focus on code design and then generate database schema.
Database First: Focus on existing database schema and generate code classes.
Code First: More control over database design and relationships.
Database First: Faster development for existing databases.
Code First: Entity Framework Code First approach.
Database First:...
To connect SQL to ASP Core Web API, you need to configure a database connection in the API project.
Configure a connection string in the appsettings.json file of the API project.
Install Entity Framework Core package in the API project.
Create a DbContext class that inherits from DbContext and represents the database.
Use dependency injection to inject the DbContext into the API controllers.
Dependency Injection is a design pattern where the dependencies of an object are provided externally rather than created within the object itself.
Dependencies are injected into a class through constructor injection, setter injection, or interface injection.
This helps in achieving loose coupling between classes and makes the code more testable and maintainable.
Example: Instead of creating an instance of a dependency wit...
LINQ (Language Integrated Query) is a feature in C# that allows for querying data from different data sources using a uniform syntax.
LINQ allows for querying data from collections, databases, XML, and more.
It provides a set of standard query operators like Where, Select, OrderBy, etc.
LINQ queries are written in a declarative syntax similar to SQL.
Example: var result = from num in numbers where num % 2 == 0 select num;
Enable JWT Authentication in ASP Core Web API with Roles
Install the required NuGet packages like Microsoft.AspNetCore.Authentication.JwtBearer
Configure JWT authentication in Startup.cs file
Add authentication middleware in Configure method
Implement role-based authorization using policies and attributes
Optimizing SQL queries involves using indexes, minimizing data retrieval, and avoiding unnecessary joins.
Use indexes on columns frequently used in WHERE clauses
Minimize data retrieval by selecting only necessary columns
Avoid unnecessary joins by using EXISTS or IN clauses instead of JOINs
Use indexing, limit the columns retrieved, optimize queries, use pagination
Create indexes on columns frequently used in queries
Limit the columns retrieved to only those needed
Optimize queries by using WHERE clauses and avoiding SELECT *
Implement pagination to retrieve records in smaller chunks
Indexing in SQL is used to improve the performance of queries by creating a data structure that allows for faster retrieval of data.
Types of indexing include clustered and non-clustered indexes
Clustered indexes physically order the data in the table based on the index key
Non-clustered indexes create a separate data structure that includes the indexed columns and a pointer to the actual data
Indexes can be created on sin...
I have 3 years of experience as an ASP Core Web API and ReactJs Developer.
3 years of experience in ASP Core Web API development
Proficient in ReactJs development
Developed multiple projects using ASP Core Web API and ReactJs
States are mutable data managed within a component, while Props are immutable data passed from parent to child components.
States are managed within a component and can be changed by the component itself
Props are passed from parent to child components and cannot be changed by the child component
States are used for internal component data management, while Props are used for passing data from parent to child components
Context API is a built-in feature in React for managing global state, while Redux is a standalone library for state management.
Context API is built into React, while Redux is a separate library.
Context API is primarily used for managing global state in a React application.
Redux provides a centralized store for managing state across the application.
Context API is simpler to use for smaller applications, while Redux is m...
I applied via AmbitionBox and was interviewed before May 2021. There were 2 interview rounds.
iOS design patterns include MVC, MVVM, Singleton, Factory, and Observer.
MVC separates data, view, and controller logic
MVVM adds a view model to handle data binding
Singleton ensures only one instance of a class exists
Factory creates objects without exposing the creation logic
Observer allows objects to be notified of changes in other objects
Top trending discussions
posted on 13 Jan 2021
I applied via Referral and was interviewed before Jan 2020. There was 1 interview round.
We are using a variety of technologies, including some of the latest ones.
We are using React for our front-end development.
We are also using Node.js for our back-end development.
We are using Docker for containerization.
We are using Kubernetes for orchestration.
We are using AWS for cloud hosting.
We are constantly evaluating new technologies to see if they can improve our development process.
It depends on the specific requirements and constraints of the project.
Consider the project's goals and objectives
Evaluate the available technologies and their capabilities
Assess the project's budget and timeline
Consult with stakeholders and experts in the field
Examples: React vs Angular, MySQL vs MongoDB, Java vs Python
I applied via Company Website and was interviewed before Dec 2019. There were 3 interview rounds.
posted on 15 Feb 2022
I applied via Referral and was interviewed before Feb 2021. There were 3 interview rounds.
I'm a passionate software engineer with a strong background in full-stack development and a love for solving complex problems.
Graduated with a degree in Computer Science from XYZ University.
Worked at ABC Corp, where I developed a web application that improved user engagement by 30%.
Proficient in languages like JavaScript, Python, and Java, with experience in frameworks like React and Django.
Enjoy collaborating in agile...
Interview questions for Software Engineer position
Project explanation should include details on the project's purpose, scope, and technologies used
SDLC (Software Development Life Cycle) and STLC (Software Testing Life Cycle) are methodologies used in software development and testing respectively
Smoke testing is a type of testing that checks if the basic functionalities of the software are working fine, while Sanity tes...
posted on 25 Aug 2021
posted on 15 Feb 2022
I applied via Campus Placement
In this round you have to clear Aptitude and Basic Coding
It is pure coding test which is conduct on hacker rank platform. You have to complete 4 question(1 easy + 2 medium + 1 hard)
posted on 18 Mar 2025
I appeared for an interview before Mar 2024, where I was asked the following questions.
Some of the top questions asked at the Xetech Software Developer interview -
based on 2 interview experiences
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