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What is SQL Server? Microsoft SQL Server is a relational database management system (RDBMS) developed by Microsoft. It is designed to store, retrieve, manage, and analyze structured data efficiently. SQL Server uses Structured Query Language (SQL) to interact with databases and supports transaction processing, business intelligence (BI), and analytics applications . SQL Server operates on a client-server architecture , where clients (applications) send queries to the SQL Server, which processes the requests and returns the results. Why Use SQL Server? SQL Server is widely used due to its robust performance, security, scalability, and integration with Microsoft products. Here are the key reasons to use SQL Server: 1. Reliability & Performance Optimized Query Execution : SQL Server includes a query optimizer that improves execution speed for complex queries. In-Memory Processing : Features like In-Memory OLTP significantly improve transaction processing spee...

1️⃣ What is .NET? 🔹 .NET (Dotnet) is a free, open-source, cross-platform framework developed by Microsoft for building various types of applications, including: Web Applications Desktop Applications Cloud Services Mobile Apps Game Development IoT Applications 🔹 Key Characteristics of .NET ✅ Cross-platform – Runs on Windows, macOS, and Linux ✅ Language Interoperability – Supports multiple languages, including C#, F#, and VB.NET ✅ High Performance – Optimized runtime for fast execution ✅ Managed Code – Uses the Common Language Runtime (CLR) ✅ Automatic Memory Management – Uses Garbage Collection (GC) 2️⃣ Evolution of .NET .NET Framework (2002) – The original, Windows-only version .NET Core (2016) – A cross-platform, modular, open-source version .NET 5+ (2020-Present) – A unified platform (merging .NET Framework and .NET Core) 🔹 Current Version : .NET 8 (Latest as of 2024) 🔹 Major Components of .NET .NET Runtime – Execut...

What is Cloud Computing? 🌩️ What is Cloud Computing? Cloud Computing is the on-demand delivery of computing services —including servers, storage, databases, networking, software, analytics, and more— over the internet ("the cloud") . Instead of owning and maintaining physical data centers or servers, individuals and organizations can rent computing power and storage from cloud providers. 🚀 Key Characteristics Feature Description On-Demand Self-Service Users can provision resources as needed without human interaction. Broad Network Access Services are accessible over the internet from various devices. Resource Pooling Providers serve multiple customers using a multi-tenant model. Rapid Elasticity Resources can be scaled u...

Variables, Data Types, and Interfaces in Angular (TypeScript) Variables, Data Types, and Interfaces in Angular (TypeScript) These are foundational concepts that make your Angular app type-safe, scalable, and easier to maintain. 🔹 1. Variables in TypeScript TypeScript is strongly typed, so you can (and should) define the type of your variables. ✅ Syntax: let name: string = "Angular"; const version: number = 17; var isAwesome: boolean = true; 🔄 `let` vs `const` vs `var`: Keyword Scope Reassignable Hoisted `let` Block ✅ Yes ❌ No `const` Block ❌ No ❌ No `var` Function ✅ Yes ✅ Yes 🔹 2. Data Types in TypeScript ...

Creating Your First ASP.NET Core Application Creating Your First ASP.NET Core Application 🚀 In this guide, you'll learn how to create, run, and test your first ASP.NET Core application using .NET SDK, Visual Studio, or VS Code . 🔹 1️⃣ Prerequisites Before you begin, ensure you have the following installed: ✅ .NET SDK ( Download ) ✅ Visual Studio 2022 (Community Edition) ( Download ) ✅ OR Visual Studio Code ( Download ) ✅ C# Extension for VS Code 🔹 2️⃣ Create an ASP.NET Core Web Application 🛠 Option 1: Using .NET CLI (Command Line Interface) 1️⃣ Open a terminal or command prompt 2️⃣ Run the following command to create a new web application: dotnet new web -o MyFirstAspNetApp cd MyFirstAspNetApp 3️⃣ Open the project in VS Code (Optional) code . 🛠 Option 2: Using Visual Studio 1️⃣ Ope...

Installing .NET SDK & Setting Up Visual Studio or VS Code Installing .NET SDK & Setting Up Visual Studio or VS Code 🔹 1️⃣ Install .NET SDK What is .NET SDK? The .NET SDK (Software Development Kit) includes everything you need to build and run .NET applications , including: ✅ .NET CLI (Command Line Interface) ✅ Runtime and Libraries ✅ Build Tools and Compiler 🛠 Step 1: Download & Install .NET SDK 1️⃣ Go to the official .NET download page: https://dotnet.microsoft.com/download 2️⃣ Select the latest version of .NET SDK (e.g., .NET 8.0 ). 3️⃣ Choose your OS: Windows: Download the .exe installer. Mac: Download the .pkg file. Linux: Follow the terminal commands provided on the website. 4️⃣ Run the installer and follow the setup instructions. ...

ASP.NET Core – What It Is & Why Use It? ASP.NET Core – What It Is & Why Use It? 🔹 1️⃣ What is ASP.NET Core? ASP.NET Core is a cross-platform, open-source framework for building modern, high-performance web applications and APIs. It is the successor to ASP.NET and is designed for scalability, performance, and flexibility . 🌍 Key Features: ✅ Cross-Platform – Runs on Windows, macOS, and Linux . ✅ High Performance – Faster than traditional ASP.NET due to Kestrel web server . ✅ Unified Framework – Supports MVC, Razor Pages, Web APIs, Blazor . ✅ Dependency Injection (DI) – Built-in support for DI. ✅ Minimal & Modular – Uses middleware pipeline for efficient processing. ✅ Cloud-Ready – Works seamlessly with Azure, AWS, Docker, Kubernetes . ✅ Security – Supports JWT, OAuth, OpenID Connect for authentication. 🔹 2️⃣ Why Use ASP.NET Core? 1️...

Angular Project Structure 📁 Angular Project Structure Overview 🔹 `e2e/` End-to-End Testing folder using Protractor or Cypress. Contains tests that simulate real user interactions. 🔹 `node_modules/` Contains all installed npm packages. Automatically generated—no need to modify this manually. 🔹 `src/` (This is where the real magic happens) 🔸 `app/` Your main application logic lives here. Contains components, services, modules, etc. File Description app.module.ts Root module that bootstraps your app. app.component.ts Logic/controller of the root component. ...

Creating Your First Angular App ✅ Prerequisites Make sure you have: Node.js installed ( node -v ) Angular CLI installed ( ng version ) If not, install with: npm install -g @angular/cli 🚀 Step-by-Step: Create Your Angular App 🔧 Step 1: Create the App Run this command in your terminal: ng new my-first-app You’ll be prompted with: Would you like to add Angular routing? → Type Yes or No Which stylesheet format would you like to use? → Choose CSS (or SCSS, etc.) This will generate a new folder my-first-app with the full Angular project structure. 📂 Step 2: Navigate to the Project cd my-first-app 🧪 Step 3: Serve the Application ng serve By default, the app runs on http://localhost:4200 . Open your bro...

Angular Setup Guide 🛠️ 1. Install Node.js & npm Angular requires Node.js (includes npm - Node Package Manager). ✅ Download & Install: Go to https://nodejs.org Download the LTS version (recommended for most users). Follow the installer instructions for your OS (Windows, macOS, Linux). 🔍 Verify Installation: node -v npm -v 🟢 2. Install Angular CLI (Command Line Interface) The Angular CLI is a powerful tool to scaffold, build, serve, and manage Angular projects. 📥 Install Globally: npm install -g @angular/cli 🔍 Verify Installation: ng version 🧪 3. Create Your First Angular App ng new my-angular-app You’ll be prompted to: Choose if you want to add Angular routing → (Yes/No) Choose a stylesheet format (CSS, SC...