PL-900 Demonstrate the capabilities of Power Apps Practice Question
A Power App uses a Patch function to update a Dataverse table. The app runs into delegation warnings for large datasets. Which approach best resolves delegation warnings while maintaining functionality?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Use delegable functions such as Filter and LookUp to retrieve only necessary records before performing updates
Using delegable functions like Filter and LookUp allows the app to process only the necessary subset of records from Dataverse, avoiding delegation warnings by keeping data operations within the server's capacity. Option A is wrong because increasing the data row limit only changes the number of records fetched, but does not resolve delegation warnings; it may even exacerbate performance issues. Option B is wrong because switching to SharePoint does not inherently fix delegation problems—SharePoint has different delegation limits and may still trigger warnings. Option C is wrong because avoiding delegable functions would likely make delegation warnings worse, as non-delegable functions force the app to load all data locally.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Increase the data row limit in the app settings
Why it's wrong here
Increasing row limit does not resolve delegation; it only changes the non-delegable threshold
- ✗
Switch the data source to SharePoint for better delegation support
Why it's wrong here
SharePoint also has delegation limitations; not a guaranteed fix
- ✗
Avoid using delegable functions to reduce complexity
Why it's wrong here
Avoiding delegable functions makes delegation worse
- ✓
Use delegable functions such as Filter and LookUp to retrieve only necessary records before performing updates
Why this is correct
Delegable functions process data on server, reducing warnings
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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