ABC is a University which is having Learner Support Centers (LSCs) across the World. It also had Regional Centers (RCs) across the World. ABC also includes many departments which offer various programmes. However, not all LSCs offer all the Programmes. Counseling sessions normally take place during weekends. Minimum attendance of 75% is essential in Practical Counseling Sessions. Every LSC is having a Code. Every RC is having a code. Every Department is having a Code. Every Programme is having a Code. Every Course is having a Code. Any person who takes admission to any of the Programmes is also having an enrollment number. All codes and enrollment number are unique. Semester End Examinations are held at designated Examination Centers and every Examination Center is having a code. Every students is assigned to a LSC where he attends counseling sessions. A student can seek transfer from one LSC to another.
Now, with reference to the above, answer the following:
(1) List the Entities
(2) For each Entity, list Attributes
(3) Define relationships between the Entities
(4) Finally, draw the Entity Relationship Diagram
To address the problem presented by ABC University, we will first identify the entities, attributes, relationships between entities, and then present a conceptual Entity-Relationship Diagram (ERD).
### 1. List the Entities
The main entities in the scenario are:
- Learner Support Center (LSC)
- Regional Center (RC)
- Department
- Programme
- Course
- Student
- Semester End Examination
- Examination Center
### 2. Attributes for Each Entity
Each of the entities listed above will have several attributes. Below is the list of attributes associated with each entity:
1. Learner Support Center (LSC)
- LSC_Code (Primary Key)
- LSC_Name
- Location (City, Country)
2. Regional Center (RC)
- RC_Code (Primary Key)
- RC_Name
- Location (City, Country)
3. Department
- Department_Code (Primary Key)
- Department_Name
- Head (Name of Department Head)
4. Programme
- Programme_Code (Primary Key)
- Programme_Name
- Department_Code (Foreign Key from Department)
- Duration (Years)
5. Course
- Course_Code (Primary Key)
- Course_Name
- Programme_Code (Foreign Key from Programme)
- Credits
- Semester (First, Second, etc.)
6. Student
- Enrollment_Number (Primary Key)
- Name
- Date_of_Birth
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