Course Offerings Time : datetime SectionNum : int Roomld : int Student Student_Course SID : int Name : varchar(255) Program : varchar(255) StudentSID : int CourseNo : int Marks : int Semester :...





  1. What is the main role of an ER diagram in data modelling?



  2. How many courses each student can have?



  3. What is the relationship degree between the entities?



  4. Is there an associative entity, if yes can you name it?



  5. What is uniquely identifying the student entity table (Primary Key)?


Course Offerings<br>Time : datetime<br>SectionNum : int<br>Roomld : int<br>Student<br>Student_Course<br>SID : int<br>Name : varchar(255)<br>Program : varchar(255)<br>StudentSID : int<br>CourseNo : int<br>Marks : int<br>Semester : char(2)<br>Year : int<br>StudentSID : int<br>Examination<br>ID : int<br>Student_Course StudentSID : int<br>Name : varchar(255)<br>Place : varchar(255)<br>Column<br>

Extracted text: Course Offerings Time : datetime SectionNum : int Roomld : int Student Student_Course SID : int Name : varchar(255) Program : varchar(255) StudentSID : int CourseNo : int Marks : int Semester : char(2) Year : int StudentSID : int Examination ID : int Student_Course StudentSID : int Name : varchar(255) Place : varchar(255) Column

Jun 04, 2022
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