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The MySQL Workshop

You're reading from   The MySQL Workshop A practical guide to working with data and managing databases with MySQL

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Product type Paperback
Published in Apr 2022
Publisher Packt
ISBN-13 9781839214905
Length 726 pages
Edition 1st Edition
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Authors (2):
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Scott Cosentino Scott Cosentino
Author Profile Icon Scott Cosentino
Scott Cosentino
Thomas Pettit Thomas Pettit
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Thomas Pettit
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Table of Contents (22) Chapters Close

Preface 1. Section 1: Creating Your Database
2. Chapter 1: Background Concepts FREE CHAPTER 3. Chapter 2: Creating a Database 4. Chapter 3: Using SQL to Work with a Database 5. Chapter 4: Selecting, Aggregating, and Applying Functions 6. Section 2: Managing Your Database
7. Chapter 5: Correlating Data across Tables 8. Chapter 6: Stored Procedures and Other Objects 9. Chapter 7: Creating Database Clients in Node.js 10. Chapter 8: Working with Data Using Node.js 11. Section 3: Querying Your Database
12. Chapter 9: Microsoft Access – Part 1 13. Chapter 10: Microsoft Access – Part 2 14. Chapter 11: MS Excel VBA and MySQL – Part 1 15. Chapter 12: Working With Microsoft Excel VBA – Part 2 16. Section 4: Protecting Your Database
17. Chapter 13: Getting Data into MySQL 18. Chapter 14: Manipulating User Permissions 19. Chapter 15: Logical Backups 20. Other Books You May Enjoy Appendix

Loading data from a JSON file

MySQL uses a format of a file with one JSON document per line to allow quick and easy import of documents into a database. To import JSON documents into collections in MySQL, we can use MySQL Shell with the util.importJson() function.

For example, if you need to import a JSON file named languages.json, then you write the following command:

util.importJson('/path/to/languages.json')

Ensure that you give the correct path to the JSON file.

In order to update the schema names, use the \rehash command. Once you have updated the schema names, you can view the data of the collection using the following command:

db.languages.find()

You can also sort the details of a collection using the sort() method. Here, you need to specify the column name inside the method. Consider a scenario where you need to sort the passenger details in the airports file, and then find the airport having the highest number of passengers. In this case, you write...

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