Which statement best describes what an application designer should consider when deciding
whether to use a structured data type or a simple process variable in a process template?

A.
Process variables are persisted in a file whereas structured data types are stored in the
database.

B.
Database queries of repeating attributes are more expensive than queries of single attributes.

C.
Each process variable is stored in its own database table whereas a structured data type is
made up of no more than two tables.

D.
Structured data types are more frequently used in Forms and Business Activity Monitor (BAM)
reports and therefore can take advantage of caching.