SQL INNER JOIN Explained | Matching Records Between Tables | SQL Tutorial for Beginners

Publicado em: 28 Março 2026
no canal de: Your Lifestyle

In this video, you will learn how to use INNER JOIN in SQL to combine data from multiple tables. This tutorial explains matching records, join conditions, and multiple joins in a simple beginner-friendly way.

Topics Covered:
• INNER JOIN in SQL
• Matching records between tables
• Writing join conditions
• Using multiple joins in a query

INNER JOIN is one of the most commonly used SQL operations because it allows you to retrieve related data from multiple tables based on matching values.

Personal Example:
Combining personal datasets such as linking expenses with categories or contacts with additional details.

Industry Example:
Companies use INNER JOIN to connect data across tables such as customers, orders, and products in applications and analytics systems.

Example SQL Query:

SELECT Orders.OrderID, Customers.CustomerName
FROM Orders
INNER JOIN Customers
ON Orders.CustomerID = Customers.CustomerID;

This query retrieves matching records from both tables based on a common key.

This tutorial is useful for beginners learning:
SQL
Database fundamentals
MySQL
PostgreSQL
SQL Server
Data analytics basics

Understanding INNER JOIN is essential for working with relational databases and building real-world data queries.

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