Firestore Data Structuring Quiz
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Questions and Answers

What is Firestore primarily known as?

  • Key-Value store
  • Relational database management system
  • NoSQL, document-oriented database (correct)
  • Graph database

How is data stored in Firestore?

  • As JSON arrays
  • As tables organized into rows
  • As key-value pairs without any organization
  • As documents organized into collections (correct)

What can documents in Firestore contain?

  • Only simple key-value pairs
  • Graph structures
  • Structured query language
  • Complex nested objects or subcollections (correct)

What should influence your Firestore data structure?

<p>The queries your application will perform (C)</p> Signup and view all the answers

What is a consideration when structuring your data in Firestore?

<p>Minimizing the number of read, write, and delete operations (D)</p> Signup and view all the answers

In the example data structure for a shopping list application, where is information about users stored?

<p>In the users collection (A)</p> Signup and view all the answers

Why is it beneficial to have an items subcollection within each user document?

<p>To easily retrieve all items for a specific user (D)</p> Signup and view all the answers

What does CRUD stand for in the context of Firestore operations?

<p>Create, Read, Update, Delete (A)</p> Signup and view all the answers

Which operation in Firestore allows for real-time updates?

<p>Update (B)</p> Signup and view all the answers

What can you perform using Firestore APIs?

<p>A variety of operations including CRUD operations and real-time updates (A)</p> Signup and view all the answers

What does CRUD stand for in the context of Firestore operations?

<p>Create, Read, Update, Delete (A)</p> Signup and view all the answers

What is a benefit of having a subcollection within each user document in Firestore?

<p>It allows for organizing user-specific data efficiently (D)</p> Signup and view all the answers

What type of operations can be performed using Firestore APIs?

<p>Create, Read, Update, Delete, Real-time updates (A)</p> Signup and view all the answers

What operations are included in the CRUD operations in Firestore?

<p>Create, Read, Update, Delete (A)</p> Signup and view all the answers

What type of updates are supported in Firestore?

<p>Real-time updates (C)</p> Signup and view all the answers

What method is used to create a new document in Firestore?

<p>addDoc (C)</p> Signup and view all the answers

Which function is used to specify the collection in Firestore?

<p>collection (C)</p> Signup and view all the answers

In the given example, where is the new shopping list item being added?

<p>Within the 'items' collection of the 'user1' document under 'users' (D)</p> Signup and view all the answers

Where is information about users stored in the example data structure for a shopping list application?

<p>User documents (C)</p> Signup and view all the answers

What does CRUD stand for in the context of Firestore operations?

<p>Create, Read, Update, Delete (A)</p> Signup and view all the answers

Which function is used to fetch a single document from Firestore?

<p>getDoc (A)</p> Signup and view all the answers

What is the purpose of the const docRef = doc(db, 'users', 'user1', 'items', 'item1_1') line in the given example?

<p>Specifying the path to the specific document to be fetched (D)</p> Signup and view all the answers

What does the condition if (docSnap.exists()) {...} in the given example check for?

<p>Check if the fetched document exists (D)</p> Signup and view all the answers

What method is used to query for multiple documents in Firestore?

<p>where (B)</p> Signup and view all the answers

Which function is used to retrieve the query results in the given Firestore example?

<p>getDocs (D)</p> Signup and view all the answers

What does the condition if (docSnap.exists()) {...} in the given example check for?

<p>Check if the document snapshot exists (D)</p> Signup and view all the answers

What is the method used to update a document in Firestore?

<p>updateDoc (A)</p> Signup and view all the answers

How is a document deleted in Firestore?

<p>deleteDoc (B)</p> Signup and view all the answers

What function is used to reference a document in Firestore?

<p>doc (B)</p> Signup and view all the answers

What is the purpose of the 'unsubscribe()' function in the given Firestore example?

<p>To stop listening for real-time updates (A)</p> Signup and view all the answers

Which Firestore function is used to listen for real-time updates on a collection?

<p>onSnapshot() (B)</p> Signup and view all the answers

What does the 'snapshot.forEach((doc) => { console.log(doc.id, " => ", doc.data()); });' line in the given example achieve?

<p>It prints the current data for each item in the collection (C)</p> Signup and view all the answers

What does the 'unsubscribe()' function in the given Firestore example do?

<p>Stops listening for real-time updates on the collection (D)</p> Signup and view all the answers

What does this code do?

<p>This code will print the current data for each item, and then print the new data every time the items are updated. (C)</p> Signup and view all the answers

What are Firestore Security Rules?

<p>Custom expressions controlling access to Firestore data (C)</p> Signup and view all the answers

How are Firestore Security Rules organized?

<p>Hierarchically to match the structure of the database (A)</p> Signup and view all the answers

What aspects can Firestore Security Rules use to decide access?

<p>Authentication status, user roles, request time (C)</p> Signup and view all the answers

In the given example, what does the security rule allow for the 'users' collection?

<p>Read and write if authenticated user ID matches document ID (A)</p> Signup and view all the answers

What are Firestore Security Rules?

<p>Custom expressions written in a syntax similar to JavaScript that control data access (C)</p> Signup and view all the answers

What can Firestore Security Rules be tailored for?

<p>Enforcing data access and manipulation based on specific needs (B)</p> Signup and view all the answers

What do Firestore Security Rules control?

<p>Incoming requests to read, write, or update data (B)</p> Signup and view all the answers

What does the Firestore security rule for the users collection allow?

<p>Read and write access if the user is authenticated and the document ID matches their user ID (D)</p> Signup and view all the answers

What is the purpose of the Firestore security rule mentioned in the example?

<p>To restrict access to a user's own data based on authentication and document ID (D)</p> Signup and view all the answers

What level of access does the Firestore security rule provide for users' documents?

<p>Read and write access for the user's own document (D)</p> Signup and view all the answers

What do Firestore rules control?

<p>Data access (B)</p> Signup and view all the answers

What happens if a query attempts to retrieve data that the user does not have access to?

<p>The entire query will fail (A)</p> Signup and view all the answers

What do Firestore rules NOT do?

<p>Filter query results (A)</p> Signup and view all the answers

What are Routing Review Pages and Layouts Pages in Firestore?

<p>UI components unique to a route (D)</p> Signup and view all the answers

How are Layouts defined in Firestore?

<p>By default exporting a React component from a layout.js file (A)</p> Signup and view all the answers

What does a Route Group do in Firestore?

<p>Organizes route segments and project files into logical groups (B)</p> Signup and view all the answers

How can a route group be created in Firestore?

<p>By wrapping a folder's name in parenthesis (D)</p> Signup and view all the answers

How are dynamic routes created in the given example?

<p>By wrapping a folder's name in square brackets (A)</p> Signup and view all the answers

What does adding a period to the beginning of a folder name do in the given example?

<p>Makes it a catch-all route (D)</p> Signup and view all the answers

How can dynamic segment data be accessed in the page.js file?

<p>Using the params prop (D)</p> Signup and view all the answers

What is the purpose of the route group folders in the given example?

<p>They are not included in the URL path (D)</p> Signup and view all the answers

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