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Learn SQL Database Programming

You're reading from   Learn SQL Database Programming Query and manipulate databases from popular relational database servers using SQL

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Product type Paperback
Published in May 2020
Publisher Packt
ISBN-13 9781838984762
Length 564 pages
Edition 1st Edition
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Author (1):
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Josephine Bush Josephine Bush
Author Profile Icon Josephine Bush
Josephine Bush
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Table of Contents (24) Chapters Close

Preface 1. Section 1: Database Fundamentals
2. Introduction to Relational Database Management Systems FREE CHAPTER 3. Installing and Using MySQL Workbench 4. Understanding Data Types 5. Designing and Creating a Database 6. Importing and Exporting Data 7. Section 2: Basic SQL Querying
8. Querying a Single Table 9. Querying Multiple Tables 10. Modifying Data and Table Structures 11. Section 3: Advanced SQL Querying
12. Working with Expressions 13. Grouping and Summarizing Data 14. Advanced Querying Techniques 15. Programmable Objects 16. Section 4: Presenting Your Findings
17. Exploring and Processing Your Data 18. Telling a Story with Your Data 19. Section 5: SQL Best Practices
20. Best Practices for Designing and Querying 21. SQL Appendix 22. Assessments 23. Other Books You May Enjoy

Using INNER JOIN

If you want to only return records that have matching rows in each table you join, use an INNER JOIN. The syntax of INNER JOIN and examples will be outlined in this section.

Learning INNER JOIN syntax

To inner join two tables, use the following syntax:

SELECT column(s)
FROM table1
INNER JOIN table2
ON table1.column = table2.column
WHERE conditions
ORDER BY column(s);

The preceding syntax shows you how to join two tables together with an INNER JOIN. You join a column in table1 that matches a column in table2. The WHERE and ORDER BY clauses are optional. They are there to show you that the INNER JOIN syntax goes between the FROM and WHERE clauses.

The following example will help you to understand how to use...

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