Multiple Choice
A data model is the diagrammatic representation of a database that clearly defines a database's ___ , ____ and ____.
A) Entities, attributes, relationships.
B) Entity classes, hierarchy, files.
C) Data hierarchy, data attributes, data files.
D) Entity classes, entity attributes, entity files.
Correct Answer:
Verified
Correct Answer:
Verified
Q1: The management of data across the entire
Q2: A database must be associated with only
Q3: In the United States, federal law requires
Q4: A data warehouse is a low-cost, scaled-down
Q5: Online analytical processing involves the analysis of
Q7: _ is a method for analyzing and
Q8: The use of databases enables organizations to
Q9: A group of related fields is generally
Q10: Social data is not a form of
Q11: A standardized language used to manipulate data