Modeling Data in the Organization A relationship is which of the following? Link between entities A person, place, or thing Property or characteristic of an entity Weak entity Link between entities A person, place, or thing Property or characteristic of an entity Weak entity ANSWER DOWNLOAD EXAMIANS APP
Modeling Data in the Organization An attribute is a person, place, object, event in a user environment. 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. True False True False ANSWER DOWNLOAD EXAMIANS APP
Modeling Data in the Organization A binary relationship is a relationship between two or more entities. 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 One that can change over time Be intelligent Can be null One that is unique One that can change over time Be intelligent Can be null 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 one Optional one Cannot tell Mandatory many Mandatory one Optional one Cannot tell Mandatory many ANSWER DOWNLOAD EXAMIANS APP