Essay
Distinguish between entity identifiers and keys.
Correct Answer:
Verified
An entity identifier is an attribute or ...View Answer
Unlock this answer now
Get Access to more Verified Answers free of charge
Correct Answer:
Verified
An entity identifier is an attribute or ...
View Answer
Unlock this answer now
Get Access to more Verified Answers free of charge
Related Questions
Q69: E-R models use an identifying relationship to
Q70: An entity instance is an occurrence of
Q71: When designing a database,first identify the entities,then
Q72: A binary relationship is a relationship based
Q73: In E-R modeling,entities within an entity class
Q75: In a minimum cardinality,minimums are generally stated
Q76: For a relationship to be considered a
Q77: Relationships between supertypes and subtypes are called
Q78: An entity that represents something that can
Q79: The principal difference between an entity and