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Премиум
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    Welcome To The Course!
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    What Is SQL?
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    A Closer Look At SQL & Databases
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    Course Content
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    There Are Two Ways Of Taking This Course!
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    How To Get The Most Out Of This Course
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    Module Introduction
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    Understanding The Core SQL Syntax
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    SQL in Action
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    The Core SQL Rules
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    Data Definition vs Data Manipulation
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    Module Introduction
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    Installing Different Database Management Systems
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    What We Need To Install
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    MySQL Setup Overview & macOS Setup
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    MySQL Windows Setup
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    Postgresql Setup Overview & macOS Setup
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    Postgresql Windows Setup
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    Connecting To Database Servers (MySQL & Postgresql) With Various Clients
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    Setting Up Visual Studio Code With The SQLTools Extension (Course Environment)
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    Configuring VS Code & Exploring SQLTools
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    Module Introduction
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    Key Terms When Working With Data Definition Statements & Commands
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    Introducing The Course Section Example
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    Introducing Key Data Definition Clauses
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    Creating a new Database (CREATE DATABASE)
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    The Importance Of Data Types (Value Types)
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    Introducing Key Text Value Types
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    Introducing Numeric Values, Date Types & More
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    How Do You Store Files?
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    Getting Started With The CREATE TABLE Statement & Syntax
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    Creating a First Text Column
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    Creating a Numeric Value Column
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    Working with Enums & Finishing Table Creation
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    Inserting Data Into The Created Table (INSERT INTO)
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    Inserting & Querying More Data
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    Working With Fixed Point & Floating Point Numbers
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    Adding Boolean Value Types
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    Creating a new Table with Text & Timestamp Data
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    Inserting Data Into The New Tables
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    Introducing Default Column Values
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    Deleting (Dropping) Tables & Inserting Data With Default Values
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    Updating Tables & Columns
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    Dealing With "No Data" (NULL) vs "0"
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    Exploring the NOT NULL Constraint
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    Exploring the CHECK Constraint
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    We Need Unique Values & Identifiers!
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    Working With Auto Incrementing IDs & Primary Keys
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    Constraints - Summary
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    Understanding Text Encoding & Collation
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    Temporary Tables & Tables From Other Tables
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    Creating Generated Columns
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    Module Summary
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    Time To Practice: Problem
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    Time To Practice: Solution (1/2)
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    Time To Practice: Solution (2/2)
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    Module Introduction
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    What Are CRUD Operations?
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    Inserting Data: Theory
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    Selecting Data: Theory
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    Updating Data: Theory
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    Deleting Data: Theory
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    Introducing The Section Example
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    Setting Up An Example Database & Table
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    Example: Inserting Data
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    Inserting More (Dummy) Data
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    Updating In Action
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    Deleting In Action
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    Selecting Data - The Basics
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    SELECT, Column Names & Data Expressions
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    Filtering with WHERE: Available Comparison Operators & Variations
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    Filtering In Action (WHERE In Action)
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    Combining Comparisons With AND & OR
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    Greater, Smaller & Ranges
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    Filtering Text Values
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    Working With Dates & Date Differences
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    Introducing ORDER BY & LIMIT
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    Ordering & Limiting Results In Action
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    Looking For DISTINCT Values
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    Subqueries & Views
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    Module Summary
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    Module Introduction
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    A First Look At Related Data
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    Data Normalization - First Steps
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    Splitting Data Into Tables
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    Forms Of Data Normalization
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    Our First Section Example
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    Creating Tables With Relations
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    Inserting Related Data
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    Joining Data & Introducing INNER JOIN
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    Using INNER JOIN
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    Combining Multiple JOINs
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    Data Joining & Filtering
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    Introducing LEFT JOIN
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    Using LEFT JOIN
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    Combining Multiple LEFT JOINs
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    What About RIGHT JOIN?
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    Example Time & INNER JOIN vs LEFT JOIN
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    Introducing CROSS JOIN
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    UNION & Why It's Different
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    What's Wrong With Our Foreign Keys?
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    Introducing Foreign Key Constraints
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    Diving Deeper Into Foreign Key Constraints
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    Foreign Key Constraints In Action
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    Data Relationship Types: One-to-Many, Many-to-Many, One-to-ONe
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    A Bigger Example
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    Example: Adding First Tables & Relations
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    Example: Adding More Tables & Data
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    Many-to-Many Relationships & Intermediate Tables ("Linking Tables")
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    Querying The Example Data
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    Practicing JOINs With Filtering
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    Experimenting With Referential Integrity
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    Module Introduction
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    Remember: Primary Keys Don't Have To Be Auto-Incrementing IDs!
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    Introducing Composite Primary Keys
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    Defining Composite Primary Keys (Composite Keys In Action)
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    Composite Foreign Keys
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    Composite Keys In Action
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    Self-Referencing Relationships (Self-Referential Relationships)
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    Self-Referencing Many To Many Relationships
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    Module Introduction
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    The Module Project
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    What are Aggregate Functions - Theory
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    Understanding COUNT()
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    Working with MIN() & MAX() and Adding Aliases to Aggregate Functions
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    Using SUM(), AVG() & ROUND()
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    Working with Filters & Joining Tables
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    Theory Time - Understanding GROUP BY
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    Applying GROUP BY in Practice
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    GROUP BY & Joined Queries
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    Understanding WHERE vs HAVING
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    Applying HAVING in Practice
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    Working with Nested Subqueries
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    Introducing Window Functions
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    Understanding ORDER BY and RANK()
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    Module Introduction
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    The Module Project
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    Working with Mathematical Functions & Arithmetic Operators
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    Understanding String Functions with SELECT
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    Using String Functions with INSERT
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    Understanding Date / Time Functions
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    Working with Weekdays
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    Calculating INTERVALS
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    Adding INTERVALS to Dates
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    Understanding LIKE & Pattern Matching
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    Understanding EXISTS
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    Working with Subquery Expressions and EXISTS
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    Working with Subquery Expressions and IN
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    Introducing Conditional Expressions
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    Challenge Solution
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    Database (SQL) vs Application Level
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    Module Introduction
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    Understanding Transactions
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    Applying Transactions & ROLLBACK
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    Committing Changes
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    Working with Savepoints
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    Transactions in PostgreSQL
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    Module Introduction
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    What Are Indexes? And Why Would You Need Them?
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    Don't Use Too Many Indexes!
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    Index Types: An Overview
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    Setting Up Some Example Data
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    EXPLAINing Queries & Query Planning
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    Creating & Using Single-Column Indexes
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    Unique Indexes
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    Working With Multi-Column Indexes (Composite Indexes)
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    Partial Indexes
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    Module Introduction
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    What Is SQL?
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    A Closer Look At Databases In General
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    The Core SQL Syntax
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    Course Setup (For Following Along)
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    Analyzing The Section Example Project
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    Introducing "Data Normalization"
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    Planning Tables & Relationships
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    Creating A New Database
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    Choosing Identifier Names
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    Defining Columns
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    Exploring Important Data Types
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    How To Store Files & Adding More Data Types
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    Constraints: An Introduction
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    Introducing Database Functions
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    Understanding Primary Keys & Unique IDs
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    INSERTing Data
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    Basic Data Querying (via SELECT)
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    UPDATE & DELETE In Action
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    Filtering (WHERE) & Sorting (ORDER BY)
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    Adding More Tables
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    Relations & Foreign Keys
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    Understanding ON DELETE & ON UPDATE
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    Adding More Tables & Relationships
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    Many To Many Relationships & Linking (Intermediate) Tables
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    Inserting Related Data
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    Connecting Data With INNER JOIN
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    Combining Multiple Joins
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    Introducing LEFT JOIN
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    Joining Data & Filtering
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    Filtering Text With LIKE
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    Introducing Aggregate Functions
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    Grouping Aggregate Results (GROUP BY)
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    The HAVING Clause (vs WHERE)
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    Module Summary
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    Congratulations + More Content