Which of the following database models represent entities as two-dimensional tables, with records as rows, and attributes as columns?
A) relational database model
B) hierarchical database model
C) network database model
D) object-oriented database model
E) semantic database model
Question 2
A ________ key refers to an attribute that appears as a non-primary key attribute in one entity and as a primary key attribute (or part of a primary key) in another entity.
A) primary
B) table
C) foreign
D) super
E) candidate
Two models for dominance of a mutation
The ability to roll the tongue is one of several traits that represent the dominant allele.
Comparison of Paper Medical Records and Electronic Health Records
Comparison of Paper Medical Records and Electronic Health Records
Terminals 85 and 86 represent the coil inside the relay. Terminal 30 is the power terminal, 87a is ...
Computer Models