Module quiz: SQL Data in React Native :Working with Data (Meta React Native Specialization) Answers 2025

1. Question 1

Best place to load AsyncStorage data on startup:
❌ Inside render
✔️ Inside a useEffect hook with no dependencies
❌ In a separate file

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2. Question 2

What is incorrect?
✔️ You can’t use multiGet to get a simple value.
✔️ The function does not handle any errors.
✔️ The argument passed to multiGet is the incorrect type.
(All are correct issues.)

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3. Question 3

API that removes all AsyncStorage data:
❌ removeItem
✔️ clear
❌ multiRemove

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4. Question 4

Difference between mergeItem and setItem:
❌ There is no difference
✔️ With setItem you need to pass the whole value again, whereas with mergeItem only the updated path is needed.
❌ With mergeItem you need to pass the whole value again…

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5. Question 5

SQLite is best for small independent data?
❌ True
✔️ False
(SQLite is best for large structured relational data.)

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6. Question 6

AsyncStorage for large fast-processed data?
❌ True
✔️ False
(AsyncStorage is not good for large or fast data operations.)

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7. Question 7

Best place to open Expo-SQLite database connection:
❌ In a separate file
❌ At the top of the entry file
✔️ Inside a useEffect hook with no dependencies

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8. Question 8

How to handle errors in Expo-SQLite transactions?
❌ Automatically handled
✔️ By passing an error callback as the 2nd argument to db.transaction()
❌ With try/catch

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9. Question 9

Best SQL to delete customer by unique ID:
✔️ delete from customers where uid = ${selectedCustomer.id}
❌ delete from customers where name = …
❌ delete from customers where dateOfBirth = …

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10. Question 10

SQL keyword for parameter placeholders:
❌ INSERT
❌ !
✔️ ?

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✅ Summary Table

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