Modeling Data in the Organization An oval represents which of the following in an ERD? Optional One Attribute Relationship Entity Optional One Attribute Relationship Entity ANSWER DOWNLOAD EXAMIANS APP
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 relationship is which of the following? Link between entities Weak entity Property or characteristic of an entity A person, place, or thing Link between entities Weak entity Property or characteristic of an entity A person, place, or thing ANSWER DOWNLOAD EXAMIANS APP
Modeling Data in the Organization A binary relationship is which of the following? An entity with two different relationships A relationship between two attributes An attribute with two different relationships A relationship between two entities An entity with two different relationships A relationship between two attributes An attribute with two different relationships A relationship between two entities ANSWER DOWNLOAD EXAMIANS APP
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