Design Microservices Architecture with Patterns and Principles - Fetching Data with REST and GraphQL

The video tutorial compares REST and GraphQL APIs using a blogging application example. It explains how REST requires multiple requests to fetch data, leading to overfetching, while GraphQL allows for a single request with precise data requirements, avoiding unnecessary data retrieval. The tutorial highlights the efficiency and structure of GraphQL queries compared to REST.

Describe how GraphQL API simplifies the data fetching process compared to REST.

What are the advantages of using GraphQL over REST in terms of data retrieval?