This ERD is missing something that we require in our rules. What would you add and where would you add it to complete the ERD? (Hint: it's what enables the relationship.) Faculty Student PK F_id PK S_id Advises be Is advised by

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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The image presents an Entity-Relationship Diagram (ERD) involving two entities: Faculty and Student. Each entity is represented as a table.

1. **Faculty Table:**
   - Column: **F_id**
   - **F_id** is marked as the Primary Key (PK), indicated by the blue "PK" label.

2. **Student Table:**
   - Column: **S_id**
   - **S_id** is marked as the Primary Key (PK), indicated by the blue "PK" label.

**Relationship Details:**
- The relationship between Faculty and Student is a one-to-many relationship, as indicated by the straight line ending at the Faculty and the crow's foot notation ending at the Student.
- The Faculty entity is related to the Student entity through an advising relationship, meaning a Faculty member advises multiple students.
- The relationship is labeled as "Advises" pointing from Faculty to Student and "Is advised by" pointing from Student to Faculty.

**Missing Element:**
- The ERD is missing a foreign key (FK) to establish the relationship. The foreign key should be added to the Student table, linking it back to the Faculty's primary key (F_id). This inclusion will enable the relational association within a database system.

**Instruction:**
The header suggests considering what to add to complete the ERD, hinting that the missing element is crucial for enabling the relationship.
Transcribed Image Text:The image presents an Entity-Relationship Diagram (ERD) involving two entities: Faculty and Student. Each entity is represented as a table. 1. **Faculty Table:** - Column: **F_id** - **F_id** is marked as the Primary Key (PK), indicated by the blue "PK" label. 2. **Student Table:** - Column: **S_id** - **S_id** is marked as the Primary Key (PK), indicated by the blue "PK" label. **Relationship Details:** - The relationship between Faculty and Student is a one-to-many relationship, as indicated by the straight line ending at the Faculty and the crow's foot notation ending at the Student. - The Faculty entity is related to the Student entity through an advising relationship, meaning a Faculty member advises multiple students. - The relationship is labeled as "Advises" pointing from Faculty to Student and "Is advised by" pointing from Student to Faculty. **Missing Element:** - The ERD is missing a foreign key (FK) to establish the relationship. The foreign key should be added to the Student table, linking it back to the Faculty's primary key (F_id). This inclusion will enable the relational association within a database system. **Instruction:** The header suggests considering what to add to complete the ERD, hinting that the missing element is crucial for enabling the relationship.
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