Advantages of Lightning Data Service in Salesforce

1. Used to load, create, edit, or delete a record in your component without requiring Apex code
2. Handles Sharing Rules
3. Handles Field Level Security
4. Consistent User Interface
5. Better performance

Examples:

http://www.infallibletechie.com/2017/11/forcecreaterecord-example-in-salesforce.html

http://www.infallibletechie.com/2018/02/forceeditrecord-example-in-salesforce.html