Modeling Data in the Organization A binary relationship cannot be which of the following? Zero-to-Zero Many-to-Many One-to-Many One-to-One Zero-to-Zero Many-to-Many One-to-Many One-to-One ANSWER DOWNLOAD EXAMIANS APP
Modeling Data in the Organization A relationship is an association representing the interaction between attributes. False True False True ANSWER DOWNLOAD EXAMIANS APP
Modeling Data in the Organization No two attributes of the same entity type should have the same name. False True False True ANSWER DOWNLOAD EXAMIANS APP
Modeling Data in the Organization A good identifier is which of the following? 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 One that is unique 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 Cannot tell Mandatory one Optional one Mandatory many Cannot tell Mandatory one Optional one ANSWER DOWNLOAD EXAMIANS APP
Modeling Data in the Organization If there are two entities with a relationship between them, and one of the entities is completely dependent on the other, then which of the following must exist? Weak entity Optional one cardinality Derived attribute Multi-valued attribute Weak entity Optional one cardinality Derived attribute Multi-valued attribute ANSWER DOWNLOAD EXAMIANS APP