Query complexity analysis in GraphQL - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to define a GraphQL query that fetches a user's name.

GraphQL

query GetUserName { user(id: 1) { [1] } }

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Aname

Bage

Cemail

Daddress

Attempts:

3 left

💡 Hint

Common Mistakes

Choosing a field that does not exist in the user type.

Selecting a field that fetches unrelated data.

The field name correctly fetches the user's name in the query.

2fill in blank

medium

Complete the code to add a nested field to fetch the user's posts titles.

GraphQL

query GetUserPosts { user(id: 1) { name posts { [1] } } }

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Adate

Bcontent

Ctitle

Dcomments

Attempts:

3 left

💡 Hint

Common Mistakes

Selecting content instead of title when only titles are needed.

Choosing unrelated fields like comments.

The title field fetches the titles of the user's posts.

3fill in blank

hard

Fix the error in the query by selecting the correct field to limit the number of posts fetched.

GraphQL

query GetLimitedPosts { user(id: 1) { posts([1]: 5) { title } } }

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Amax

Bcount

Csize

Dlimit

Attempts:

3 left

💡 Hint

Common Mistakes

Using count or max which are not valid argument names here.

Using size which is not recognized by the schema.

The limit argument is commonly used to restrict the number of items returned.

4fill in blank

hard

Fill both blanks to create a query that fetches users with their posts filtered by a minimum number of likes.

GraphQL

query GetPopularPosts { users { name posts(filter: { likes: { [1]: [2] } }) { title } } }

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Agt

B10

Clt

D5

Attempts:

3 left

💡 Hint

Common Mistakes

Using lt when filtering for popular posts.

Choosing a too low number that doesn't filter effectively.

The filter uses likes: { gt: 10 } to get posts with more than 10 likes.

5fill in blank

hard

Fill all three blanks to write a query that fetches posts with title, author name, and comments count greater than 5.

GraphQL

query GetDetailedPosts { posts(filter: { comments: { [1]: [2] } }) { [3] author { name } } }

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Agt

B5

Ctitle

Dcontent

Attempts:

3 left

💡 Hint

Common Mistakes

Using content instead of title when only the title is requested.

Using incorrect operators like lt in the filter.

The query filters posts with comments: { gt: 5 } and fetches the title and author's name.