1. Quick Start

1-1. Start the graphql server

$ npm install
$ npm start

1-2. Open the following url for Playground

http://localhost:3000/graphql

1-3. Run the following queries

query getAllBooks{
  getAllBooks {
    title
    author
    gender
  }
}
query getBooksByGender{
  getBooksByGender(gender:"Female") {
    title
    author
    gender
  } 
}

2. References