Modeling Data in the Organization When the minimum number of instances of an entity is one, you know which of the following? Mandatory one Mandatory many Optional one Cannot tell Mandatory one Mandatory many Optional one Cannot tell 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 A derived attribute is an attribute whose values can be calculated from a related relationship. False True False True ANSWER DOWNLOAD EXAMIANS APP
Modeling Data in the Organization A ternary relationship involves how many entities? 3 or less More than 3 3 or more 3 3 or less More than 3 3 or more 3 ANSWER DOWNLOAD EXAMIANS APP
Modeling Data in the Organization Multiple and binary relationships are the same thing. True False True False 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
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