Mastering LEFT JOIN in SQL: Retrieve All Records from the Left Table

https://bit.ly/3Ff5Esb Want to understand how to retrieve all records from one table and the matching records from another using the LEFT JOIN in SQL?

In this video, we delve into the fundamentals of LEFT JOINs, exploring how to effectively combine data from multiple tables. Whether you're a beginner or looking to refresh your knowledge, this tutorial covers
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 LEFT JOIN

How LEFT JOIN works in SQL

Differences between LEFT JOIN and other JOIN types
2️⃣ Writing LEFT JOIN Queries

Syntax and structure of LEFT JOIN statements

Using aliases for cleaner queries
3️⃣ Advanced LEFT JOIN Techniques

Joining more than two tables

Combining LEFT JOIN with WHERE clauses
4️⃣ Best Practices

Optimizing query performance

Ensuring data integrity with LEFT JOINs
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📚 Recommended Reads for SQL Learners:

📚Learning SQL – Alan Beaulieu

📚Database Design for Mere Mortals – Michael J. Hernandez

📚SQL Cookbook – Anthony Molinaro
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🎬Silicon Valley: The Untold Story (2018)
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Видео Mastering LEFT JOIN in SQL: Retrieve All Records from the Left Table канала Imarticus Learning