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
Modeling Data in the Organization A good identifier is which of the following? One that can change over time Be intelligent Can be null One that is unique One that can change over time Be intelligent Can be null One that is unique ANSWER DOWNLOAD EXAMIANS APP
Modeling Data in the Organization A logical representation of the data for an organization or for a business area is known as an entity-relationship model. False True False True ANSWER DOWNLOAD EXAMIANS APP
Modeling Data in the Organization A strong entity is an entity whose existence depends on some other entity type. True False True False 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? Mandatory one Optional one Cannot tell Mandatory many Mandatory one Optional one Cannot tell Mandatory many 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 Derived attribute Multi-valued attribute Optional one cardinality Weak entity Derived attribute Multi-valued attribute Optional one cardinality ANSWER DOWNLOAD EXAMIANS APP
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