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
The tarsier is a haplorhine, and may represent an evolutionary bridge between lower and higher prima
Three-dimensional structures of proteins: Mixed protein
A release form for medical records.
Comparison of Paper Medical Records and Electronic Health Records
Memory saver. The part numbers represent components from Radio Shack®.
Ball-and-stick models of A=T and G≡C base pairs