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</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</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</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</p> Signup and view all the answers

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

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

    Which operation in Firestore allows for real-time updates?

    <p>Update</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</p> Signup and view all the answers

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

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

    What operations are included in the CRUD operations in Firestore?

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

    What type of updates are supported in Firestore?

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

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

    <p>addDoc</p> Signup and view all the answers

    Which function is used to specify the collection in Firestore?

    <p>collection</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'</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</p> Signup and view all the answers

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

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

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

    <p>getDoc</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</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</p> Signup and view all the answers

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

    <p>where</p> Signup and view all the answers

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

    <p>getDocs</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</p> Signup and view all the answers

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

    <p>updateDoc</p> Signup and view all the answers

    How is a document deleted in Firestore?

    <p>deleteDoc</p> Signup and view all the answers

    What function is used to reference a document in Firestore?

    <p>doc</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</p> Signup and view all the answers

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

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

    What are Firestore Security Rules?

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

    How are Firestore Security Rules organized?

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

    What aspects can Firestore Security Rules use to decide access?

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

    What do Firestore Security Rules control?

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

    What do Firestore rules control?

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

    What do Firestore rules NOT do?

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

    What are Routing Review Pages and Layouts Pages in Firestore?

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

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

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

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