Modeling Data in the Organization A rectangle represents which of the following in an ERD? Optional One Entity Attribute Relationship Optional One Entity Attribute Relationship ANSWER DOWNLOAD EXAMIANS APP
Modeling Data in the Organization A relationship is which of the following? A person, place, or thing Link between entities Property or characteristic of an entity Weak entity A person, place, or thing Link between entities Property or characteristic of an entity Weak entity ANSWER DOWNLOAD EXAMIANS APP
Modeling Data in the Organization A binary relationship is which of the following? An entity with two different relationships A relationship between two entities A relationship between two attributes An attribute with two different relationships An entity with two different relationships A relationship between two entities A relationship between two attributes An attribute with two different relationships 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 Mandatory one Optional one Mandatory many Cannot tell Mandatory one Optional one Mandatory many ANSWER DOWNLOAD EXAMIANS APP
Modeling Data in the Organization A time stamp is a time value that is associated with a data value. True False True False ANSWER DOWNLOAD EXAMIANS APP
Modeling Data in the Organization An oval represents which of the following in an ERD? Entity Attribute Relationship Optional One Entity Attribute Relationship Optional One ANSWER DOWNLOAD EXAMIANS APP