Modeling Data in the Organization When the minimum and maximum number of instances of an entity is one, you know which of the following? Cannot tell Mandatory one Mandatory many Optional one Cannot tell Mandatory one Mandatory many Optional one 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
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. True False True False 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 A good identifier is which of the following? One that is unique Can be null One that can change over time Be intelligent One that is unique Can be null One that can change over time Be intelligent 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? Cannot tell Mandatory one Optional one Mandatory many Cannot tell Mandatory one Optional one Mandatory many ANSWER DOWNLOAD EXAMIANS APP
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