Which select statement retrieves the mat field using ABAP SQL?

The correct choice retrieves the "mat" field using ABAP SQL by referencing a database table that likely contains relevant data for sales orders and their associated material details. In ABAP, the specific selection of a field such as "mat" typically reflects an intention to work with material-related information in the context of the application's domain, such as sales operations.

The prefix of the chosen option, which includes "demo_sales_cds_so_i_ve," suggests it is based on a Core Data Services (CDS) view. CDS views are a powerful means of managing complex queries centrally while providing a layer of security. They often contain derived data that can be crucial for reporting or transactional operations, making this choice particularly suitable in an SAP context where composite data structure is required.

The other choices may not be the best fit for retrieving the "mat" field due to their reliance on simpler database tables or contexts that may not be as relevant for the specific use case of accessing material data in a sales-focused environment. They likely do not present the breadth of data or structure available through the selected option, which combines aspects of sales and material in an integrated way, aptly fitting the needs of an ABAP developer working with these constructs.