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Displaying posts with tag: Programming (reset)
CodeIgniter 4 Query Parameter Binding with examples in MySQL

As powerful and useful as the CodeIgniter 4 Query Builder class methods and functions are, there are times when you need to hand-craft your own queries. Perhaps they are complex. Or, you would just rather write the raw SQL. Learn how to safely use the input you need – typically as part of the WHERE clause conditional(s) – using 2 different parameter binding variations with examples in MySQL.

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OpenLampTech issue #33 – Substack Repost

The publication is growing and we are sharing the good stuff in this OpenLampTech newsletter issue. Developer interviews, a curated WordPress resource, and the LAMP stack coverage you expect are all coming at ya in issue #33…

The Newsletter for PHP and MySQL Developers

Receive a copy of my ebook, “10 MySQL Tips For Everyone”, absolutely free when you subscribe to the OpenLampTech newsletter.

In OpenLampTech issue #33, we have great content covering:

  • Symfony components
  • Is SQL Programming?
  • WordPress FSE vs dynamic templating
  • CakePHP CRUD
  • Linux command-line practice articles
  • And, much much more…
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CodeIgniter 4 Query Builder where() function and parameter structure with MySQL

In SQL, the WHERE clause filters rows returned by the FROM clause table in SELECT queries using one or more search condition filters. Oftentimes, in application development, we accept user input values which in turn, are the WHERE clause conditional filters against the table columns. In this post, I am covering the CodeIgniter 4 where() function and parameter binding for safer filtering in SELECT queries. Continue reading and see examples in MySQL…

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OpenLamp.tech issue #5

Hey hey! I’ve published another issue of OpenLamp.tech, the newsletter for PHP/MySQL developers over the weekend. Come and enjoy the great content!!!

As always, I’ve curated some great reads this week for us all. I’d love it if you could help spread the word by sharing these posts with others who will value the newsletter as well.

Interested?

The Newsletter for PHP and MySQL Developers

We have a range of posts in this week’s issue covering:

  • A huge list of 52 SQL optimization strategies.
  • Installing WordPress on Oracle Linux.
  • A look at PHP’s isset() language construct.
  • Fixing the “too many redirects” error in WordPress.

Don’t wait on me to repost here each Monday. That’s 3 whole days you are waiting to read OpenLamp.tech and you don’t want to do that right? …

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Free Medium Series – CodeIgniter 4 CRUD with MySQL

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…

Image by Dariusz Sankowski from Pixabay 

Disclaimer: I originally published these articles first over on …

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MySQL BETWEEN Operator Queries – Are they inclusive?

I recently learned of some odd behavior using MySQL BETWEEN operator queries, filtering by a DATETIME column. I wrote about this over on Medium so I am sharing the post for any readers here who are interested…

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MySQL Searched CASE Expression – with examples

During many decision-making phases in programming code (conditional logic), there are times execution depends on several different factors. Multiple conditional tests are powerful and constraining, oftentimes requiring more than one test to be passed in order for program flow to proceed. For MySQL (and standard SQL in general) the CASE expression is used for IF/THEN/ELSE conditional logic. The post, MySQL Simple CASE Expression – with examples, covered Simple CASE queries which are essentially equality tests. MySQL Simple CASE is but one variant of 2, with the other being a MySQL Searched CASE Expression.  A MySQL Searched CASE Expression can have multiple conditional tests in each WHEN

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MySQL Simple CASE Expression – with examples

Programming logic is foundational in any application or piece of software. Without it, software wouldn’t really do much of anything. Everything happens off of choice. In the end, some truthy or falsy value is what makes stuff work. For IF/THEN/ELSE logic in standard SQL, there is the CASE expression. There are 2 variations of the CASE Expression: Simple and Searched. In this post, I cover the Simple MySQL CASE expression with example queries…

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MySQL Column Aliases using the AS keyword

Be it running reports or displaying data in some other visualization, SQL SELECT column expressions should be meaningful and understandable. To provide those valuable query results, SQL Developers, use a multitude of available functions, adjacent columns, or other means not readily apparent to end-users. All that being said, the column names often suffer the most as far as readability is concerned, taking on long function call names or other combined expressions. But, as luck would be on our side, there is an easy fix and that is aliasing columns using the AS keyword. Although AS is optional – in this particular context – I err on the side of readability and use it when aliasing SELECT column expressions.

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Medium Cross Post – Write Code to Write About Code

Any of you who read my blog posts here regularly know I am passionate about SQL, PHP, and Back-end Development. I consider writing an integral part of my brand and growth. Continue reading and learn more about what’s on my mind lately with writing and code…

Image by Arek Socha from Pixabay

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