The Relationship Between HTML, CSS, Javascript, PHP and SQL

HTML, CSS, Javascript, PHP and SQL can be applied to work together to produce interactive and functional applications. Technology has evolved such that you can now use these 4 languages to build applications running as websites, mobile (Android & IOS) apps, and desktop (Windows & Mac) apps.
The Relationship Between HTML  CSS  Javascript  PHP and SQL



QUICK DEFINITIONS

i. HTML (Hypertext Markup Language): deals with the content and interface structure of the app.

ii. CSS (Cascading Style Sheet) deals with the interface presentation, beatification and visual responsiveness of the HTML for example: images, font styles, font color, backgrounds etc.

iii. Javascript deals with the programming of the HTML and CSS. It a means of adding intelligence to the app. example: you could write a Javascript code to change the background color of an app every 10 seconds.

iv. PHP (Hypertext Preprocessor) is a programming language that runs on the server side of the application in a centralized system.

v. SQL (Structured Query Language) is the language use to communicate with the database.