A (n)____relationship exists when an association is maintained within a single e
ID: 3836594 • Letter: A
Question
A (n)____relationship exists when an association is maintained within a single entity. a) unary b) ternary c) binary d) weak Making sure all____ are identified is the most important part of a database designer's job. a) business rules b) cardinalities c) derived attributes d) relationships Which model represents the end user's view of the database? a) Internal b) Conceptual c) Physical d) External ___are the result of formatting disorganized data in order to facilitate storage, use, and generation of information. a) Structured data b) Raw data c) Unstructured data d) Obsolete data The____ depicts the arrangement of higher-level entity super types (parent entities) and lower-level entity subtypes (child entities). a) subtype discriminator b) inheritance c) specialization hierarchy d) entity super type A___ entity has a primary key that is partially derived from the parent entity in the relationship. a) strong b) relationship c) business d) weak In a database context, a(n)_____indicates the use of different names to describe the same attribute. a) entity b) duplicate c) homonym d) synonymExplanation / Answer
14 A) unary
15 A) business rules
16 D) external
17 A) Structured data
18 C) specialization hierarchy
19 D) weak
20 D) synonym
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