Modeling Data in the Organization An oval represents which of the following in an ERD? Optional One Relationship Entity Attribute Optional One Relationship Entity Attribute ANSWER DOWNLOAD EXAMIANS APP
Modeling Data in the Organization A binary relationship is which of the following? A relationship between two attributes An attribute with two different relationships A relationship between two entities An entity with two different relationships A relationship between two attributes An attribute with two different relationships A relationship between two entities An entity with two different relationships ANSWER DOWNLOAD EXAMIANS APP
Modeling Data in the Organization When the minimum number of instances of an entity is one, you know which of the following? Optional one Mandatory many Cannot tell Mandatory one Optional one Mandatory many Cannot tell Mandatory one ANSWER DOWNLOAD EXAMIANS APP
Modeling Data in the Organization Some business rules cannot be represented in common data modeling notation. True False True False ANSWER DOWNLOAD EXAMIANS APP
Modeling Data in the Organization If there are two entities with a relationship between them, and one of the entities is completely dependent on the other, then which of the following must exist? Multi-valued attribute Optional one cardinality Derived attribute Weak entity Multi-valued attribute Optional one cardinality Derived attribute Weak entity ANSWER DOWNLOAD EXAMIANS APP
Modeling Data in the Organization Cardinality specifies the number of instances of one entity that can be associated with each instance of another entity. True False True False ANSWER DOWNLOAD EXAMIANS APP
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