What is a consequence of applying a definition query on a layer in ArcGIS?

Applying a definition query on a layer in ArcGIS allows users to filter the data displayed on the map based on specific criteria, while retaining all records in the attribute table. The definition query acts as a temporary filter, ensuring that only the features that meet the specified conditions are visible in the map view. This provides a way to focus on a subset of data without altering the underlying dataset.

The selected features relevant to the query are displayed, while all other features remain intact in the attribute table and can be accessed if needed. This capability is especially useful for data analysis and visualization, allowing users to work with only the pertinent information without modifying the data structure itself.