One department offers many courses. But one particular course can be offered by only one department.hence the cardinality between department and course is One-to-One RelationshipOne-to-Many RelationshipMany-to-Many RelationshipComposite RelationshipReview AnswerNext

One department has multiple instructors . But instructor belongs to only one department.Hence the cardinality between department and instructor is One-to-OneOne-to-ManyMany-to-ManyMany-to-One

One course can be enrolled by many students and one student can enroll for many courses. Hence the cardinality between course and student is One-to-OneOne-to-ManyMany-to-ManyMany-to-One

The relationship between MANAGER and DEPARTMENT is aAnswer( Please choose a correct answer )   CLEAROne-to-one relationshipOne-to-many relationshipMany-to-many relationshipMany-to-one relationship

One course is taught by only one instructor. But one instructor teaches many courses. Hence the cardinality between course and instructor is One-to-OneOne-to-ManyMany-to-ManyMany-to-On

Here we are going to design an Entity Relationship (ER) model for a college database.Say we have the following statements.1. A college contains many departments 2. Each department can offer any number of courses 3. Many instructors can work in a department 4. An instructor can work only in one department 5. For each department there is a Head 6. An instructor can be head of only one department 7. Each instructor can take any number of courses 8. A course can be taken by only one instructor9. A student can enroll for any number of courses 10. Each course can have any number of students From the statements given, the entities are