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Data Warehousing Concepts in SQL: Understanding Star and Snowflake Schemas

Table of Contents Introduction What Is a Data Warehouse? OLTP vs OLAP: The Need for Warehousing Key Components of a Data Warehouse What Is Dimensional Modeling? Facts and Dimensions Explained The...
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SQL with APIs and JSON Fields in PostgreSQL: Working with Semi-Structured Data

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SQL for Data Engineering: ETL Concepts and Building Scalable Data Pipelines

Table of Contents Introduction What Is Data Engineering and Why SQL Matters Understanding ETL (Extract, Transform, Load) SQL’s Role in Each ETL Stage Data Sources: Raw Data Ingestion with...
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SQL for Data Analysis: Deep Dive into KPIs and Cohort Analysis

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Error Handling in SQL: Managing Exceptions and Ensuring Reliable Transactions

Table of Contents Introduction Why Error Handling Matters in SQL Types of Errors in SQL Syntax Errors vs Runtime Errors Understanding Transaction Errors Rollbacks for Safe Error Recovery Error Handling in...

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Stored Procedures and Functions in SQL: Encapsulating Logic for Reuse and Automation

Table of Contents Introduction What Are Stored Procedures and Functions? Benefits of Using Stored Routines Stored Procedures vs Functions: Key Differences Syntax for Creating Stored Procedures Executing a Stored Procedure Parameters...

Triggers in SQL: Automating Database Behavior

Table of Contents Introduction What Is a Trigger in SQL? Why Use Triggers? Types of Triggers Syntax of a Trigger BEFORE vs AFTER Triggers INSERT, UPDATE, and DELETE Triggers Trigger Events: Row-Level...

Using Constraints in SQL: NOT NULL, UNIQUE, CHECK, and DEFAULT

Table of Contents Introduction What Are Constraints in SQL? Why Use Constraints? NOT NULL Constraint UNIQUE Constraint CHECK Constraint DEFAULT Constraint Combining Multiple Constraints Adding Constraints to Existing Tables Dropping Constraints Naming Constraints for Clarity Column-Level...

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Client vs Server Components in Next.js: Usage and Performance

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Table of Contents Introduction What Are Client and Server Components in Next.js? How Client and Server Components Differ When to Use Client Components When to Use Server Components Performance Implications:...

Layout.tsx, Template.tsx, and Nested Layouts in App Router

Kumar Prafull -
Table of Contents Introduction Understanding Layout.tsx in Next.js 13+ App Router What is Template.tsx and How Does It Differ from Layout.tsx? Nested Layouts and Their Role in App...

Introduction to React Server Components (RSC) in Next.js

Kumar Prafull -
Table of Contents Introduction What are React Server Components (RSC)? How React Server Components Work in Next.js 3.1 Server vs. Client Components 3.2 Data Fetching in RSC Benefits of React...

Next.js: Pages Router vs App Router – What’s the Difference?

Kumar Prafull -
Table of Contents Introduction What is Next.js Router? Pages Router in Next.js 3.1 File-Based Routing 3.2 Dynamic Routes 3.3 API Routes 3.4 Static Site Generation and Server-Side Rendering App Router in Next.js...

Deploying React Apps on Netlify, Vercel, Firebase, and Railway

Kumar Prafull -
Table of Contents Introduction Overview of Deployment Platforms Deploying React on Vercel Deploying React on Netlify Deploying React on Firebase Hosting Deploying React on Railway Comparing Deployment Platforms Environment Variables and Secrets...

App Router in Next.js 13+ and Layouts

Kumar Prafull -
Table of Contents Introduction Overview of Next.js 13+ and the App Router The App Router vs Pages Router Setting Up the App Router Layouts in Next.js 13+: Concept and...

Static Site Generation vs Server-Side Rendering in React

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Table of Contents Introduction What is Static Site Generation (SSG)? What is Server-Side Rendering (SSR)? Key Differences Between SSG and SSR Benefits and Drawbacks of SSG Benefits and Drawbacks of...

Introduction to Next.js: File-Based Routing, SSR, and SSG

Kumar Prafull -
Table of Contents Introduction What is Next.js? Setting Up a Next.js Project Understanding File-Based Routing Server-Side Rendering (SSR) in Next.js Static Site Generation (SSG) in Next.js Comparison of SSR vs SSG Using...

Building a Multi-Page App with Navigation and Theming

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Table of Contents Introduction Setting Up the Project Creating Multiple Pages in React Implementing Navigation with React Router Adding Theming with Context API Managing State Across Pages Building the Layout Components Enhancing...

Creating Design Systems with Shadcn and Storybook

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Table of Contents Introduction What is a Design System? Why Use Shadcn for Your Design System? Setting Up Shadcn UI in a React Project Storybook: A Tool for Building...

Introduction to TypeScript in React (with Examples)

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Table of Contents Introduction Why Use TypeScript in React? Setting Up TypeScript in a React Project Basic TypeScript Concepts for React 4.1. Types 4.2. Interfaces 4.3. Union Types Adding TypeScript to an...

Linting and Formatting with ESLint and Prettier

Kumar Prafull -
Table of Contents Introduction Why Linting and Formatting Matter What is ESLint? What is Prettier? Installing ESLint in a React Project Configuring ESLint for React Installing and Configuring Prettier Integrating ESLint with...
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