What characterizes an attribute view and its practices?

An attribute view is a specific component within the context of data modeling in SAP HANA, primarily used for representing and managing the instance data of business objects. The correct characteristic of an attribute view is that it may contain filters. This allows developers to define conditions that can limit the data processed or presented, leading to more focused and relevant datasets for inquiries and analyses.

Filters in attribute views are employed to refine data selection from underlying tables or other data sources based on specific criteria, thus enhancing performance and usability when working with large volumes of data. The use of filters ensures that only relevant records that meet the defined conditions are included in the view, which is particularly useful when dealing with large datasets where only a subset of information is required for analysis.

Other characteristics mentioned are not fundamentally aligned with the purpose and functionality of attribute views. For instance, flow charts are not an inherent feature of attribute views, nor are diagrammatic projections. Joining tables is more typically represented in analytical or calculation views, which are designed to combine data from multiple sources in more complex ways than what an attribute view allows.