Modeling Data in the Organization A good identifier is which of the following? Be intelligent One that is unique One that can change over time Can be null Be intelligent One that is unique One that can change over time Can be null ANSWER DOWNLOAD EXAMIANS APP
Modeling Data in the Organization A binary relationship is which of the following? A relationship between two attributes An entity with two different relationships An attribute with two different relationships A relationship between two entities A relationship between two attributes An entity with two different relationships An attribute with two different relationships A relationship between two entities ANSWER DOWNLOAD EXAMIANS APP
Modeling Data in the Organization An entity name should be which of the following? Concise Specific to the organization A singular noun All of these Concise Specific to the organization A singular noun All of these 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? 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 An attribute is a person, place, object, event in a user environment. False True False True ANSWER DOWNLOAD EXAMIANS APP
Modeling Data in the Organization An oval represents which of the following in an ERD? Relationship Entity Optional One Attribute Relationship Entity Optional One Attribute ANSWER DOWNLOAD EXAMIANS APP