Which of the following criteria would make an entity a weak entity? a.) If the primary key is not derived from the parent entity in the relationship b.) If the entity can exist without the entity with which it has a relationship c.) If the primary key of a related entity contains the primary key of the parent entity d.) If the entity has a primary key that is partially derived from the parent entity

Q: What is the difference between a weak entity and one that requires communication?

A: Answer: The other entity that is required for communication is a strong entity. So, Weak entity and…

Q: Office stestbiame deptCode lastName frstName tacid rank Department employs Credits Faculty sRated…

A: a)entity type that has more than 2 relationships are- class and department class- relationship with…

Q: The primary key for a one (A) to many (B) binary relationship set between entity A and entity B with…

A: Explanation: Binary relationship shows the relationship between two entities. In one to many…

Q: Question 1: The following ERD refers to an borrow system of a library. Member can borrow different…

A: a,b:

Q: which relationship or association is depicited in the following entity relationship (ER) diagram?…

A: The question seems to be about an Entity-Relationship (ER) diagram that involves three entities:…

Q: Define when an attribute from one entity type should be extracted and inserted into another

A: The answer is

Q: what is another term for an entity unique identifier? a) local key b) primary key c) association…

A: The correct answer is given below with proper explanation Happy to help you ?

Fundamentals of Managing Data

Data management is creating, organizing, storing and managing the data collected and created by any organization.Effective data management is a crucial part of today's world. Data management provides analytical information on the vast amount of data collected from business applications daily, which helps make critical business decisions and plan and bring out the best strategies.