OpenLamp.tech Issue #1

Over the weekend, I’ve published the 1st issue of my new weekly free newsletter, OpenLamp.tech. I’m so excited about this newsletter. Read on to learn more…

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CSV – SQL Import/Export Compilation

CSV or SQL? SQL or CSV? How about together? Without a doubt, CSV’s are one of the most common and familiar data interchange formats. Importing and exporting CSV data into or out of an SQL database is a staple process in most every data workflow. I’ve written numerous blog posts on both importing and exporting CSV data in an SQL environment. In this post, I am including all of these specific posts (as of the time of writing) in one easy-to-read and centralized location…

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How to Retrieve MySQL Last Insert ID in CodeIgniter 4

I use CodeIgniter 4 a great deal for learning, personal projects, and application development. In this post, I cover 2 different methods you can use and retrieve the MySQL Last Insert ID value after executing an INSERT statement in CodeIgniter. Continue reading for more information…

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MySQL Table DDL file with phpMyAdmin


If you need a structure only .sql file of a MySQL tables’ Data Definition Language (DDL), phpMyAdmin makes this super-easy with just a few clicks. Continue reading and learn how…

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RECURSIVE CTE Fun with SUBSTRING() in MySQL

Although I primarily work with MySQL/MariaDB these days on back-end web development projects, I am studying Oracle SQL with the end goal to become certified. I recently watched a great YouTube video and decided to try my hand porting over the Oracle SQL queries to comparable MySQL for a learning exercise. This blog post details the queries I came up with for the end results. Continue reading for some fun recursive CTE’s using the SUBSTRING() character function and interesting output display variations.

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