Скачать или смотреть Introduction to SQL Joins | Beginner to Advanced Guide

https://bit.ly/3Ff5Esb Want to learn how to combine data from multiple tables using SQL Joins?

In this video, we delve into the fundamentals of SQL Joins, exploring how to effectively retrieve and analyze data across related tables.

Timestamp ⏱️

00:00 – Introduction to SQL Joins and their importance
02:22 – Customer orders across multiple tables
07:06 – Joins based on common fields (IDs)
09:53 – Querying multiple tables with joins
14:46 – Primary and foreign keys in SQL joins
17:10 – Joins vs. referential integrity
21:46 – Practical query examples using joins
23:57 – Inner join explained with customers and orders
28:47 – Overview of SQL join types
30:46 – Combining customer and order data
35:05 – Resolving column name ambiguity in joins


📌 What You’ll Learn:

1️⃣ Basics of SQL Joins

Introduction to SQL Joins | Beginner to Advanced Guide

Understanding the purpose and types of joins

How joins facilitate data retrieval from multiple tables

2️⃣ Detailed Exploration of Join Types

INNER JOIN: Retrieve records with matching values in both tables

LEFT JOIN: Get all records from the left table and matched records from the right table

RIGHT JOIN: Fetch all records from the right table and matched records from the left table

FULL OUTER JOIN: Combine all records when there is a match in either left or right table

3️⃣ Practical Applications

Implementing joins in real-world scenarios

Optimizing queries using appropriate join types

4️⃣ Best Practices

Avoiding common pitfalls when using joins

Ensuring data integrity and performance


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📚Learning SQL – Alan Beaulieu

📚Database Design for Mere Mortals – Michael J. Hernandez

📚SQL Cookbook – Anthony Molinaro

🎬 Must-Watch Tech Documentaries:

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