Modeling Data in the Organization An oval represents which of the following in an ERD? Attribute Entity Relationship Optional One Attribute Entity Relationship Optional One 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 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 When the minimum and maximum number of instances of an entity is one, you know which of the following? Cannot tell Mandatory many Mandatory one Optional one Cannot tell Mandatory many Mandatory one Optional one ANSWER DOWNLOAD EXAMIANS APP
Modeling Data in the Organization An attribute name should be which of the following? Use a alias 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 ANSWER DOWNLOAD EXAMIANS APP
Modeling Data in the Organization A derived attribute is an attribute whose values can be calculated from a related relationship. False True False True ANSWER DOWNLOAD EXAMIANS APP