# 30. NoSQL vs. SQL Databases in the Cloud

* **Introduction:** NoSQL and SQL databases serve different purposes and use cases in cloud environments.
    
* **Definition:**
    
    * **SQL Databases:** Structured query language databases for relational data.
        
    * **NoSQL Databases:** Non-relational databases for unstructured or semi-structured data.
        
* **Benefits:** SQL for structured data and complex queries; NoSQL for scalability and flexibility.
    
* **Key Examples:** MySQL (SQL), MongoDB (NoSQL).