Data Plane. Data plane operations let you perform create, read, update, and delete (also called CRUD) actions on data in a table.Some of the data plane operations also let you read data from a secondary index. You can use PartiQL – A SQL-Compatible Query Language for Amazon DynamoDB, to perform these CRUD operations or you can use DynamoDB’s classic CRUD APIs that separates each operation …
https://docs.aws.amazon.com/amazondynamodb/latest/developerguide/HowItWorks.API.html