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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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Media Queries and Responsive Design in CSS

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Table of Contents What is Responsive Design? Why Responsive Design Matters Introduction to Media Queries Media Query Syntax Explained Common Breakpoints and Devices Responsive Units (%, em, rem, vh, vw) Writing...

Combining Flexbox and Grid: Best of Both Worlds

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Table of Contents Introduction to Combining Flexbox and Grid Key Differences Recap: Grid vs Flexbox When to Use Grid and When to Use Flexbox Real-World Scenarios That Use...

Combining Flexbox and Grid: Best of Both Worlds

Kumar Prafull -
Table of Contents Introduction to Combining Flexbox and Grid Key Differences Recap: Grid vs Flexbox When to Use Grid and When to Use Flexbox Real-World Scenarios That Use...

Grid Properties & Layout Patterns in CSS

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Table of Contents Overview of Grid-Specific Properties grid-template-areas: Named Layouts grid-auto-flow: Control Auto Placement minmax(), repeat(), and Auto-Fit/Fill justify-items, align-items, place-items justify-content, align-content, place-content Responsive Grids with Media Queries Real-World Layout Patterns Summary...

Introduction to CSS Grid

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Table of Contents What is CSS Grid? CSS Grid vs Flexbox Basic Terminology: Grid Container, Grid Items, Lines, Tracks Defining a Grid with display: grid Creating Columns and Rows...

Flexbox Use Cases (Navigation, Cards, etc.)

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Table of Contents Introduction Why Use Flexbox for Layouts? Use Case 1: Navigation Bars Use Case 2: Card Layouts Use Case 3: Centering Content Use Case 4: Split Layouts (Sidebar...

Flexbox Properties & Examples (justify-content, align-items, etc.)

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Table of Contents Introduction Flex Container vs Flex Item Recap Main Flexbox Properties Overview Flex Container Properties with Examples display flex-direction flex-wrap justify-content align-items align-content Flex Item Properties with Examples order flex-grow flex-shrink flex-basis flex align-self Real-World Examples Tips and Best Practices Conclusion 1. Introduction CSS...

Introduction to CSS Flexbox

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Table of Contents What Is Flexbox? Why Use Flexbox? Flex Container and Flex Items Main Axis vs Cross Axis Properties of the Flex Container display flex-direction flex-wrap justify-content align-items align-content Properties of the Flex Items order flex-grow flex-shrink flex-basis align-self Common Use...

Meta Tags, Favicon, and SEO Basics in HTML

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Table of Contents: Introduction to Meta Tags Types of Meta Tags and Their Purpose Description Meta Tag Keywords Meta Tag Robots Meta Tag Setting Up a Favicon Basic SEO Concepts and...

Iframes and Embedding Videos

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Table of Contents: Introduction to <iframe>: What is It? Embedding External Content Using <iframe> Embedding Videos with <iframe> Embedding YouTube Videos Embedding Vimeo Videos Security Considerations for <iframe> Responsive <iframe> for...

Semantic HTML: <header>, <main>, <section>, <article> etc.

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Table of Contents Introduction to Semantic HTML Why Semantic HTML Matters The <header> Element The <main> Element The <section> Element The <article> Element The <footer> Element Other Semantic Elements: <aside>, <nav>, <figure>,...

Forms and Input Types (input, select, textarea)

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Table of Contents Introduction to Forms in HTML The <form> Element: Structure and Attributes Input Fields (<input>) and Their Types Select Dropdowns (<select>) and Options (<option>) Textareas (<textarea>) for...
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