Generally, most all web applications are going to follow the elements of CRUD: Create, Read, Update, and Delete. CodeIgniter 4 is a powerful PHP web development framework that provides a rapid development environment. The CodeIgniter 4 Models come enriched with built-in CRUD functionality, which is covered in this compilation of Medium posts…

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CodeIgniter 4 CRUD Series with MySQL: Create
CRUD operations — Create, Read, Update, and Delete — are integral in any application in which data persists. Introducing a new row or rows of data is under the domain of Create and will be covered in this post.
CodeIgniter 4 CRUD Series with MySQL: Read
Now that project data exists in the database, chances are someone will want to see it. Typically, reading the data is 1 of a couple of different operations…
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CodeIgniter 4 CRUD Series with MySQL: Update
Data seldom remains unchanged. Applications manipulate data that is in constant change. Therefore, data is constantly changing…
CodeIgniter 4 CRUD Series with MySQL: Delete
The SQL DELETE command is used to remove existing data from a database table. Perhaps you want to remove all the data. An unfiltered DELETE will do just that (Be careful!!!).
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Bonus Content
I am so excited that you have made it to the end of the post. As a bonus, and to show my appreciation, I am including a couple of more friend links to similar pieces of Medium paywall content I have written. These posts will help you in building those almighty important SQL Chops! Enjoy!
- Are MySQL BETWEEN Operator Queries Inclusive?
- MySQL COUNT(*) and COUNT(column or expression) — Differences
- How to find the first and last day of a month with Oracle SQL Date Functions (One of my personal favorites and a big hit for me)
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Josh Otwell has a passion to study and grow as a SQL Developer and blogger. Other favorite activities find him with his nose buried in a good book, article, or the Linux command line. Among those, he shares a love of tabletop RPG games, reading fantasy novels, and spending time with his wife and two daughters.
Disclaimer: The examples presented in this post are hypothetical ideas of how to achieve similar types of results. They are not the utmost best solution(s). The majority, if not all, of the examples provided, are performed on a personal development/learning workstation environment and should not be considered production quality or ready. Your particular goals and needs may vary. Use those practices that best benefit your needs and goals. Opinions are my own.