PL-900 Demonstrate the capabilities of Power Apps Practice Question
You are developing a canvas app that uses a SQL Server database as a data source. The app needs to display a list of orders and allow users to filter by date range. The SQL table has millions of rows. To ensure optimal performance, which approach should you use? A) Use the 'Filter' function in Power Apps to filter the data on the client side. B) Use a SQL view that filters data server-side and call it via the SQL connector. C) Use Power Automate to retrieve data and pass it to the app. D) Use the 'Search' function on the gallery.
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 a SQL view that filters data server-side and call it via the SQL connector.
Using a SQL view that filters data server-side minimizes data transfer over the network, improving performance with large datasets. Option A: Using Power Automate adds unnecessary latency and complexity. Option B: The Filter function in Power Apps retrieves all rows from the SQL table and then filters client-side, which is inefficient for millions of rows. Option D: The Search function also operates on client-side data, leading to performance degradation.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Use Power Automate to retrieve data and pass it to the app.
Why it's wrong here
Using Power Automate to retrieve data and pass it to the app adds latency and is not optimal for filtering large datasets directly.
- ✗
Use the 'Filter' function in Power Apps to filter the data on the client side.
Why it's wrong here
The Filter function in Power Apps retrieves all rows from the SQL table and then filters client-side, causing performance issues with millions of rows.
- ✓
Use a SQL view that filters data server-side and call it via the SQL connector.
Why this is correct
Using a SQL view that filters data server-side reduces data transfer over the network and leverages database indexing, ensuring optimal performance.
- ✗
Use the 'Search' function on the gallery.
Why it's wrong here
The Search function on the gallery works on client-side data and is not suitable for large datasets as it would require loading all data first.
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