PowerApps Interview Questions 2024

Power Apps Overview

• Power Apps is a platform that allows users to build custom business apps without extensive coding knowledge.
• It features a low-code environment, connects to various data sources, offers pre-built templates, and enables app sharing with others.

Power Apps Language

• Power Apps uses Power Fx, a low-code language based on spreadsheet-like formulas.
• Power Fx is a general-purpose programming language that is strongly typed, declarative, and fundamental with imperative logic.

Power Apps Components

• The six major components of Power Apps are:
  • Gallery: a screen template for viewing and navigating data.
  • Screen: a way to view specific datasets on screens (Desktop, iPad, or mobile).
  • Card: an area on the screen displaying records from databases used to build the app.
  • Control: enables user interactions with records.
  • Property: assigned to each control, viewable on the left side of the screen in the properties dropdown menu.
  • Function: works like Excel, making interactions and property modifications possible.

Canvas and Model-Driven Apps

• A canvas app provides a blank canvas for creating custom user interfaces.
• A model-driven app offers a pre-built model-driven architecture and pre-configured entities, making it easier to build more complex apps.

Integration with Microsoft Tools

• Power Apps integrates with other Microsoft tools through connectors, accessing and retrieving data from those tools.
• Examples include retrieving data from SharePoint lists or Dynamics 365 databases to populate the app's interface.

Power Apps Controls

• A Power Apps control is a user interface element that can be added to a Power Apps app.
• Commonly used controls include buttons, text boxes, drop-down lists, and images.

Power Apps Common Data Service

• The Power Apps Common Data Service is a cloud-based platform for storing and managing data in Power Apps.
• It provides a centralized data store for all Power Apps data, making it easier to manage and access data from within the app.

Creating a Simple App

• To create a simple app in Power Apps, choose a template or create a blank app, add user interface elements, connect to a data source, develop custom logic, and publish the app for sharing.