UC-3.2

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UC-3.2 Perform Queries on Data Management Database
Summary
Number	UC-3.2
Name	Perform Queries on Data Management Database
Context	UC-3 Data Management
Sub-Use Cases
Overview	Perform Queries receives a query request from Access and executes the query to generate a result set that is transmitted to the requester.
Actors	Perform Queries Access>Co-ordinate Access Activities Access>Generate DIP
Description
Preconditions	UC-3.1 Administer Data Management Database (database policies have been implemented and database integrity is intact); and (as appropriate): UC-6.(?) Co-ordinate Access Activities; or, UC-6.(?) Generate DIP
Trigger	UC-6.step(?) Co-ordinate Access Activities; or, UC-6.step(?) Generate DIP
Successful outcome	Query result set is provided to Co-ordinate Access Activities; or Descriptive information is provided to Generate DIP
Steps	Perform Queries receives a request from Co-ordinate Access Activities to perform a query on the database (OAIS page 4-9, s 4.1.1.4) Perform Queries receives a request from Generate DIP to perform a query on the database (OAIS page 4-9, s 4.1.1.4) Perform Queries executes a query on the database (OAIS page 4-9, s 4.1.1.4) Perform Queries sends the query result set to Co-ordinate Access Activities (OAIS page 4-9, s 4.1.1.4) Perform Queries sends descriptive information to Generate DIP (OAIS page 4-9, s 4.1.1.4)
Exceptions
Documentation
Citations	OAIS page 4-9, s 4.1.1.4 The Perform Queries function receives a query request from Access and executes the query to generate a result set that is transmitted to the requester.
Diagrams
Notes
	This use case provides Access (>Co-ordinate Access Activities or >Generate DIP) only the results of a single query at a time. Information aggregated from multiple queries and organized into a report or some other structured presentation is addressed by UC-3.3 Generate Reports from Data Management Database