The question is asking for the user to finish the diagram. It is asking to complete the diagram.
8. (17 pts) The following sequence diagram shows a part of the whole. The sequence diagram models the creation of a database object, the connection of that object to a data source, and the query of the object for a result set. In the diagram, POS means a point of sale system, which is the place where your customer makes a payment for products or services at your store. Please complete the sequence diagram by drawing some number of messages between objects in the designated area.
Database control
POS System
<<create>> Connection
Set connection information
Connect
Connect
Result set
Please fill in this area with messages between objects