Check Username Availability in PostgreSQL with AJAX and PHP

With the use of jQuery AJAX you can instantly display whether the entered username is already been used or not by another user.

User doesn’t have to submit the form.

In this tutorial, I show how you can check username if it already exists in the PostgreSQL database or not using jQuery AJAX and PHP.

Check Username Availability in PostgreSQL with AJAX and PHP

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Create Dynamic Dependent Dropdown with PostgreSQL PHP and AJAX

By auto-populating dropdown you can restrict users selection based on the parent dropdown selection.

Data is changed on child dropdowns every time selection is changed.

In this tutorial, I show how you can create dynamic dependent dropdown with PostgreSQL data using jQuery AJAX and PHP.

Create dynamic dependent dropdown with PostgreSQL PHP and AJAX

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How to Update Table structure using migration – Laravel

Laravel is a PHP frame­work that provides develope­rs with an extensive range­ of tools for creating web applications. One of the­ essential feature­s that make Laravel stand out from others is its ability to manage­ database schemas effortle­ssly via migrations.

This feature helps simplify table­ structure modification without having to manually write intricate SQL que­ries by enabling deve­lopers to update them e­asily.

In this article, I show you 2 ways to update table structure using migration in Laravel 9.

How to Update Table structure using migration - Laravel

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