$1.$ Design and implement a database system for a university comprising at least five

relations. Provide the ER diagram and schema for the system. Create the necessary tables,

relationships, and constraints. Insert a minimum of $25$ rows into each relation. Provide

queries and screenshots for each step.

a$.$ Implement Vertical Fragmentation on any of the relations, and briefly explain the

fragmentation process. Fragment the relation into at least $3$ fragments. Provide required

queries and screenshots.

b$.$ Implement Horizontal Fragmentation on any of the relations, and briefly explain the

fragmentation process. Fragment the relation into at least $3$ fragments. Provide required

queries and screenshots.

c$.$ Implement Hybrid Fragmentation on any of the relations, and briefly explain the

fragmentation process. Fragment the relation into at least $3$ fragments. Provide required

queries and screenshots.

Create and use multiple PostgreSQL server instances on your machines for implementing and

testing Fragmentation.

note: i need er diagram for this