An n-array relationship is drawn using which symbol:
A. A diamond
B. A line with arrows showing direction
C. A line without arrows showing direction
D. A rectangle
Answer:A
An n-array relationship is drawn using which symbol:
A. A diamond B. A line with arrows showing direction C. A line without arrows showing direction D. A rectangle
Explanation: When a single parent-child relationship exists, the relationship is called binary. All of the previous examples of relationships to this point have been binary relationships. However, when creating a data model, it is not uncommon to come across n-array relationships, the modeling name for relationships between two or more parent entities and a single child table.