Modeling Data in the Organization Cardinality specifies the number of instances of one entity that can be associated with each instance of another entity. True False True False 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 Mandatory one Cannot tell Mandatory many Optional one Mandatory one Cannot tell Mandatory many ANSWER DOWNLOAD EXAMIANS APP
Modeling Data in the Organization A rectangle represents which of the following in an ERD? Attribute Optional One Entity Relationship Attribute Optional One Entity Relationship 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 many Optional one Cannot tell Mandatory one Mandatory many Optional one Cannot tell Mandatory one ANSWER DOWNLOAD EXAMIANS APP
Modeling Data in the Organization A good identifier is which of the following? Be intelligent Can be null One that is unique One that can change over time Be intelligent Can be null One that is unique One that can change over time ANSWER DOWNLOAD EXAMIANS APP
Modeling Data in the Organization A good business rule is which of the following? Compound Declarative Redundant Imprecise Compound Declarative Redundant Imprecise ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS