Basically, there are four different types of Sandboxes in Salesforce and they are:
- Developer Sandbox
- Developer Pro Sandbox
- Partial Copy Sandbox
- Full Sandbox
All these 4 types of Sandboxes have their own set of objectives, and requirements, that better suits a different types of developers. If you are interested in learning Salesforce and wish to advance your career with a certification in it, check out the Salesforce course from Intellipaat. Also, look at the following video on Salesforce Marketing Cloud Tutorial and get started.