Basic query syntax in GraphQL - Cheat Sheet & Quick Revision

Recall & Review

beginner

What is the basic structure of a GraphQL query?

A GraphQL query starts with the keyword query (optional), followed by curly braces { } containing the fields you want to fetch.

beginner

How do you request specific fields in a GraphQL query?

Inside the curly braces, list the exact field names you want to get from the server. For example, { name age } fetches only the name and age fields.

beginner

Can you explain what happens if you omit the query keyword in a GraphQL request?

The query keyword is optional. If omitted, the server treats the request as a query by default.

intermediate

What is the purpose of nested fields in a GraphQL query?

Nested fields let you fetch related data in one request. For example, <code>{ user { name email } }</code> fetches the user's <code>name</code> and <code>email</code> inside the <code>user</code> object.

intermediate

How do you name a GraphQL query and why?

You can name a query by writing query MyQueryName { ... }. Naming helps with debugging and caching.

What keyword starts a GraphQL query?

A select

B get

C fetch

D query

GraphQL queries start with the keyword query, although it is optional.

How do you specify which fields to retrieve in a GraphQL query?

A By listing them inside curly braces

B By using a WHERE clause

C By using SELECT *

D By writing them after a FROM keyword

Fields are listed inside curly braces { } to specify what data to fetch.

Is the query keyword mandatory in GraphQL queries?

A Only for mutations

B Yes, always required

C No, it is optional

D Only for subscriptions

The query keyword is optional; the server assumes a query if omitted.

What does this GraphQL query fetch? { user { name email } }

A User's name and email

B All users

C User's ID only

D User's password

It fetches the name and email fields inside the user object.

Why would you name a GraphQL query?

A To encrypt the query

B To help with debugging and caching

C To make it run faster

D To avoid writing fields

Naming queries helps tools identify and cache them, and makes debugging easier.

Describe the basic syntax of a GraphQL query and how you select fields.

Think about how you ask for specific data from a friend.

Explain why naming a GraphQL query can be useful.

Consider how names help organize and find things later.