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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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Understanding the Next.js Compiler and Turbopack: Performance Behind the Scenes

Kumar Prafull -
Table of Contents Introduction to the Next.js Compiler Evolution What is Turbopack? Why Turbopack Replaces Webpack Key Benefits of Turbopack How Turbopack Works Under the Hood Local Development Experience: HMR,...

Creating a Full-Stack App Using Next.js, Prisma, and PostgreSQL

Kumar Prafull -
Table of Contents Introduction Setting Up the Development Environment Creating the PostgreSQL Database Setting Up Prisma Creating Models and Migrations with Prisma Building the API Layer with Next.js API Routes Creating...

Advanced SEO, Sitemap Generation, and Robots.txt in Next.js

Kumar Prafull -
Table of Contents Introduction SEO Best Practices in Next.js Meta Tags and Open Graph for Social Media Dynamic Meta Tags with Next.js Using next-seo for SEO Management Sitemap Generation in...

Authentication in Next.js with NextAuth.js and Middleware

Kumar Prafull -
Table of Contents Introduction What is NextAuth.js? Setting Up NextAuth.js in a Next.js App Configuring Providers in NextAuth.js Using Session Management in NextAuth.js Protecting Routes with Middleware Customizing Authentication Flow Handling Callback...

API Routes vs Server Actions – When to Use What

Kumar Prafull -
Table of Contents Introduction What Are API Routes in Next.js? What Are Server Actions in Next.js? API Routes: When to Use Them Server Actions: When to Use Them Comparing API...

Image Optimization with Next.js Component

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Table of Contents Introduction What is Image Optimization in Next.js? The <Image> Component in Next.js Automatic Image Optimization Image Optimization Features of the <Image> Component Handling Image Formats Responsive Images and...

Using generateStaticParams and revalidate for Dynamic Pages

Kumar Prafull -
Table of Contents Introduction What is generateStaticParams in Next.js? What is revalidate in Next.js? How generateStaticParams and revalidate Work Together Dynamic Pages with generateStaticParams and revalidate Best Practices for Dynamic...

Static Site Generation (SSG), SSR, and ISR in Next.js 14+

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Table of Contents Introduction What is Static Site Generation (SSG)? What is Server-Side Rendering (SSR)? What is Incremental Static Regeneration (ISR)? Comparison of SSG, SSR, and ISR Static Site Generation...

Dynamic Routing and Route Segments (Parallel & Catch-All Routes)

Kumar Prafull -
Table of Contents Introduction What is Dynamic Routing in Next.js? Defining Dynamic Routes Route Segments and Nested Routes Parallel Routes Catch-All Routes Handling Multiple Dynamic Parameters Dynamic Route Matching: Examples Best Practices for...

Metadata API in App Router: SEO and Social Sharing Tags

Kumar Prafull -
Table of Contents Introduction Understanding Metadata and its Importance What is the Metadata API in Next.js? Setting Up Metadata in App Router SEO: Optimizing Your Pages for Search Engines Social...

Server Actions in Next.js: Handling Mutations Without API Routes

Kumar Prafull -
Table of Contents Introduction What are Server Actions? How Server Actions Work in Next.js Creating Server Actions Handling Mutations Without API Routes Example: Server Action for Form Submission Benefits of Using...

Loading UI and Suspense Boundaries in App Router

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Table of Contents Introduction What is Suspense in React? App Router and Suspense Boundaries in Next.js How to Implement Suspense Boundaries in Next.js Creating a Loading UI with Suspense Handling...
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