Modeling Data in the Organization A relationship is which of the following? Link between entities Property or characteristic of an entity Weak entity A person, place, or thing Link between entities Property or characteristic of an entity Weak entity A person, place, or thing 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 Cannot tell Optional one Mandatory many Mandatory one Cannot tell Optional one Mandatory many 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 good identifier is which of the following? Can be null Be intelligent One that can change over time One that is unique Can be null Be intelligent One that can change over time One that is unique ANSWER DOWNLOAD EXAMIANS APP
Modeling Data in the Organization No two attributes of the same entity type should have the same name. True False True False ANSWER DOWNLOAD EXAMIANS APP
Modeling Data in the Organization An entity name should be which of the following? All of these Specific to the organization Concise A singular noun All of these Specific to the organization Concise A singular noun ANSWER DOWNLOAD EXAMIANS APP
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