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Using the WHERE Clause for Filtering

Table of Contents Introduction What is the WHERE Clause? Basic Syntax of WHERE Filtering with Equality Conditions Using !=, <>, and NOT Greater Than and Less Than Comparisons Filtering Text with...

Introduction to the SELECT Statement

Table of Contents Introduction What is the SELECT Statement? Basic Syntax of SELECT Selecting All Columns with * Selecting Specific Columns Using Aliases with AS Selecting Distinct Records Filtering Results with WHERE Logical...

Basic Data Types in SQL

Table of Contents Introduction Why Data Types Matter in SQL Overview of SQL Data Type Categories Integer Types Decimal and Floating-Point Types Character and String Types Date and Time Types Boolean Type Binary...

Creating Your First Database and Table

Table of Contents Introduction What is a Database in SQL? What is a Table in SQL? Syntax of CREATE DATABASE Creating a Database in SQLite Creating a Database in MySQL Creating...

Setting Up Your SQL Environment (SQLite, MySQL, PostgreSQL)

Table of Contents Introduction Choosing the Right SQL Database for Learning Overview of SQLite Installing SQLite Using SQLite Command Line Interface GUI Tools for SQLite Overview of MySQL Installing MySQL on Windows/macOS/Linux Accessing...

Overview of SQL Syntax and Structure

Table of Contents Introduction SQL Syntax: The Basics SQL Keywords and Case Sensitivity The Structure of a SQL Statement Understanding Clauses in SQL Writing Your First SQL Statement The SELECT Statement Using...

SQL vs NoSQL: When to Use What

Table of Contents Introduction to Data Storage Paradigms The Rise of SQL and NoSQL What is SQL? Key Characteristics of SQL Databases What is NoSQL? The Four Major Types of...

Understanding Relational Databases

Table of Contents What is a Relational Database? History and Evolution Core Concepts of Relational Databases Tables Rows and Columns Primary Keys Foreign Keys Relationships Between Tables Advantages of Relational Databases Limitations of Relational...

Introduction to Databases

Table of Contents What is a Database? Why Use Databases? Types of Databases Components of a Database System Database Management Systems (DBMS) Relational vs Non-Relational Databases Real-World Applications of Databases Summary 1. What...

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