Modeling Data in the Organization Cardinality specifies the number of instances of one entity that can be associated with each instance of another entity. False True False True ANSWER DOWNLOAD EXAMIANS APP
Modeling Data in the Organization When the minimum number of instances of an entity is one, you know which of the following? Cannot tell Optional one Mandatory many Mandatory one Cannot tell Optional one Mandatory many Mandatory one ANSWER DOWNLOAD EXAMIANS APP
Modeling Data in the Organization An oval represents which of the following in an ERD? Relationship Optional One Attribute Entity Relationship Optional One Attribute Entity ANSWER DOWNLOAD EXAMIANS APP
Modeling Data in the Organization An attribute name should be which of the following? Follow a standard format Singular verb or verb phrase All of these Use a alias Follow a standard format Singular verb or verb phrase All of these Use a alias ANSWER DOWNLOAD EXAMIANS APP
Modeling Data in the Organization A rectangle represents which of the following in an ERD? Attribute Relationship Optional One Entity Attribute Relationship Optional One Entity 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