Joining tables in SQL | INNER JOIN, LEFT JOIN, RIGHT JOIN, FULL JOIN, UNION
🚀 Master SQL Joins and Unions: Essential Skills for Data Analysts!
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👨💻 Hey there, I’m Ievgen from OWOX BI! Today, we're diving into SQL's JOIN and UNION operations, crucial tools for any data analyst tasked with merging data from multiple sources. We'll explore INNER, LEFT, RIGHT, FULL JOINS, and UNIONS, giving you practical examples to enhance your data manipulation skills.
In this video, you'll learn:
The fundamentals of SQL JOINs and their types: INNER, LEFT, RIGHT, and FULL JOIN.
How to effectively use UNION and UNION ALL to combine data from multiple tables.
Real-world applications and examples to solidify your understanding.
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📊 By mastering these SQL operations, you can streamline your data analysis processes, making complex data easily manageable and vastly improving your reporting capabilities.
Timestamps:
00:00 Introduction
01:20 What is a JOIN in SQL?
01:35 Types of JOINs Explained
01:45 INNER JOIN
04:05 LEFT JOIN
05:10 RIGHT JOIN
06:00 FULL OUTER JOIN
06:55 CROSS JOIN
07:26 What is UNION in SQL?
08:14 Differences Between UNION and UNION ALL
09:36 JOIN vs UNION in SQL - Use Cases
11:00 Selecting the suitable JOIN type
13:00 Selecting the suitable UNION type
13:53 Tips for Using JOINs and UNIONs in SQL Effectively
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