Answer:
Activity Diagrams
Activity. An activity diagram illustrates one individual activity. ...
Action. ...
Calling an Activity (Action) ...
Accepting an Event (Action) ...
Accepting a Time Event (Action) ...
Sending Signals (Action) ...
Edge (Control Flow) ...
Decision Node.
Explanation:
The formula bar......................
Answer: 4) Hierarchy
Explanation:
The main components of the relational database are table, entity and attributes. As, relational data base is the method of arranging and maintaining the data and each table in the database contain data in the entity and the attributes. Hierarchy is not the component of the database as it is included in the type oh hierarchical database not in relational database.
Democrats are likely to support bigger government, social welfare programs, and legalized abortion.