Modeling Data in the Organization When the minimum number of instances of an entity is one, you know which of the following? Mandatory one Mandatory many Cannot tell Optional one Mandatory one Mandatory many Cannot tell Optional one ANSWER DOWNLOAD EXAMIANS APP
Modeling Data in the Organization A time stamp is a time value that is associated with a data value. False True False True 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 A good business rule is which of the following? Imprecise Redundant Declarative Compound Imprecise Redundant Declarative Compound ANSWER DOWNLOAD EXAMIANS APP
Modeling Data in the Organization Some business rules cannot be represented in common data modeling notation. True False True False 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? Multi-valued attribute Optional one cardinality Derived attribute Weak entity Multi-valued attribute Optional one cardinality Derived attribute Weak entity ANSWER DOWNLOAD EXAMIANS APP