Delete mutation pattern in GraphQL - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to define a delete mutation for removing a user by ID.

GraphQL

mutation DeleteUser($id: ID!) {
  deleteUser(id: [1]) {
    id
    name
  }
}

Drag options to blanks, or click blank then click option'

AuserId

Bid

CID

DdeleteId

Attempts:

3 left

💡 Hint

Common Mistakes

Using a different variable name than declared in the mutation signature.

Confusing the type name 'ID' with the variable name.

The variable name used in the mutation argument must match the declared variable $id.

2fill in blank

medium

Complete the code to specify the return fields after deleting a post.

GraphQL

mutation DeletePost($postId: ID!) {
  deletePost(id: $postId) {
    [1]
  }
}

Drag options to blanks, or click blank then click option'

Atitle content

Bid content

Cid title

DpostId title

Attempts:

3 left

💡 Hint

Common Mistakes

Returning fields that do not exist on the deleted object.

Using variable names instead of field names.

After deletion, returning the id and title helps confirm which post was deleted.

3fill in blank

hard

Fix the error in the delete mutation by completing the argument name correctly.

GraphQL

mutation RemoveComment($commentId: ID!) {
  deleteComment([1]: $commentId) {
    id
  }
}

Drag options to blanks, or click blank then click option'

AcommentId

Bid

CcommentID

Dcomment_id

Attempts:

3 left

💡 Hint

Common Mistakes

Using incorrect casing in argument names.

Using underscores instead of camelCase.

The argument name must exactly match the expected argument in the schema, which is commentId.

4fill in blank

hard

Fill both blanks to complete the delete mutation and specify the return fields.

GraphQL

mutation DeleteProduct($[1]: ID!) {
  deleteProduct(id: $[2]) {
    id
    name
  }
}

Drag options to blanks, or click blank then click option'

AproductId

BproductID

Cid

DprodId

Attempts:

3 left

💡 Hint

Common Mistakes

Using different variable names in declaration and usage.

Using uppercase letters inconsistently.

The variable name must be consistent in both the declaration and usage: productId.

5fill in blank

hard

Fill all three blanks to write a delete mutation for removing an order and returning its ID and status.

GraphQL

mutation DeleteOrder($[1]: ID!) {
  deleteOrder([2]: $[3]) {
    id
    status
  }
}

Drag options to blanks, or click blank then click option'

AorderId

BorderID

Did

Attempts:

3 left

💡 Hint

Common Mistakes

Mixing orderID and orderId.

Using id instead of the expected argument name.

The variable name orderId must be consistent in declaration and usage. The argument name is orderId.