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For instance, a person entity can be linked to a car without one of them being considered as weak entity. In entity relationship diagrams (ER diagrams) , a weak entity set is indicated by a bold (or double-lined) rectangle (the entity) connected by a bold (or double-lined) type arrow to a bold (or double-lined) diamond (the relationship).
The U.S. Capitol building in Washington, D.C.. The structure of the United States Congress with a separate House and Senate (respectively the lower and upper houses of the bicameral legislature) is complex with numerous committees handling a disparate array of topics presided over by elected officers.
A form of government where the monarch (and family) is an official ceremonial entity with no political power. The royal family and the monarch are intended to represent the country and may perform speeches or attend an important ceremonial events as a symbolical guide to the people, but hold no actual power in decision-making, appointments, et ...
The federal government of the United States (U.S. federal government or U.S. government) [a] is the common government of the United States, a federal republic located primarily in North America, comprising 50 states, five major self-governing territories, several island possessions, and the federal district (national capital) of Washington, D.C ...
Entities and relationships can both have attributes. For example, an employee entity might have a Social Security Number (SSN) attribute, while a proved relationship may have a date attribute. All entities except weak entities must have a minimal set of uniquely identifying attributes that may be used as a unique/primary key.
US Government Manual, official freely downloadable PDFs of annual printed versions. Federal Agency Directory, online database maintained by the Louisiana State University Libraries in partnership with the Federal Depository Library Program of the GPO; A–Z Index of US Departments and Agencies, USA.gov, the US government's official web portal ...
Watch firsthand, in 360 video, as Susan Sarandon listens and learns about refugees' hopes, dreams and journeys
Central to the concept of an iron triangle is the assumption that bureaucratic agencies, as political entities, seek to create and consolidate their own power base. [ 6 ] In this view, the power of an agency (such as State-owned enterprises of the United States , Independent agencies of the United States government or Regulatory agency ) is ...