---
title: "backend"
aliases: 
tags: 
- cosc203
---

# Static vs Dynamic Sites
Static
- Load pre-created files to a web serve
- Client requests these files from the server and displays them on the browser

Dynamic
- Some content is generated dynamicallt only when needed


# Server-Side vs Client-Side
Server
- UI Elements
- HTML CSS JS
- Runs within browser

Client
- Backend functionality: notifications, databases, etx
- PHP, JS, C, C#, Ruby, etc
- Runs on Server

# Databases
ORM: Object relational model
ODM: Object data model