Modeling Data in the Organization Some business rules cannot be represented in common data modeling notation. False True False True ANSWER DOWNLOAD EXAMIANS APP
Modeling Data in the Organization When the minimum and maximum number of instances of an entity is one, you know which of the following? Optional one Cannot tell Mandatory many Mandatory one Optional one Cannot tell Mandatory many Mandatory one 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 Cannot tell Mandatory many Mandatory one Optional one Cannot tell Mandatory many Mandatory one 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? Weak entity Multi-valued attribute Derived attribute Optional one cardinality Weak entity Multi-valued attribute Derived attribute Optional one cardinality ANSWER DOWNLOAD EXAMIANS APP
Modeling Data in the Organization A rectangle represents which of the following in an ERD? Optional One Attribute Entity Relationship Optional One Attribute Entity Relationship ANSWER DOWNLOAD EXAMIANS APP
Modeling Data in the Organization A derived attribute is an attribute whose values can be calculated from a related relationship. True False True False ANSWER DOWNLOAD EXAMIANS APP
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