Which of following is not a component of Entity-Relationship diagram?
Rectangles, which represent entity sets
Ellipses, which represent database operations
Diamond, which represent relationships among entity sets
Lines, which link attributes to entity sets and entity sets to relationships
Which of following is not a component of Entity-Relationship diagram?
A. Rectangles, which represent entity sets
B. Ellipses, which represent database operations
C. Diamond, which represent relationships among entity sets
D. Lines, which link attributes to entity sets and entity sets to relationships