A weak entity has a primary key that is partially or totally derived from the parent entity in the relationship.
Correct Answer:
Verified
Q4: Connectivities and cardinalities are established by concise
Q5: The Crow's Foot notation easily identifies multivalued
Q6: The existence of a mandatory relationship indicates
Q7: In the original Chen notation, each attribute
Q8: The entity relationship model (ERM) is dependent
Q10: The Crow's Foot notation is less implementation-oriented
Q11: In Chen notation, there is no way
Q12: A weak relationship exists if the primary
Q13: A composite identifier is a primary key
Q14: In the Chen and Crow's Foot notations,
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents