Modeling Data in the Organization Relationships cannot have attributes. True False True False ANSWER DOWNLOAD EXAMIANS APP
Modeling Data in the Organization A strong entity is an entity whose existence depends on some other entity type. False True False True 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 rectangle represents which of the following in an ERD? Entity Attribute Optional One Relationship Entity Attribute Optional One Relationship ANSWER DOWNLOAD EXAMIANS APP
Modeling Data in the Organization An entity name should be which of the following? Concise All of these Specific to the organization A singular noun Concise All of these Specific to the organization A singular noun 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? Cannot tell Mandatory many Optional one Mandatory one Cannot tell Mandatory many Optional one Mandatory one ANSWER DOWNLOAD EXAMIANS APP