Consider the following information about a university database: Professors have an SSN, a name, a rank, and a research specialty. Projects are identified by a project number, more than one sponsor name (e.g., NSF), a starting date, an ending date, and a budget. Graduate students have an SSN, a name, and a current degree program (e.g., M.S.or Ph.D.). Each project is managed by one professor, each project is worked on by one or more professors and each project is worked on by one or more graduate students. When graduate students work on a project, a professor must supervise their work on the project. Graduate students can work on multiple projects. Departments have a department number, a department name, and a main office. Departments have a professor (known as the chairman) who runs the department. Professor works in one or more departments and for each department that they work in, a time percentage is associated with their job. Design and draw an ER diagram that captures the information about the University. 60
Consider the following information about a university database: Professors have an SSN, a name, a rank, and a research specialty. Projects are identified by a project number, more than one sponsor name (e.g., NSF), a starting date, an ending date, and a budget. Graduate students have an SSN, a name, and a current degree program (e.g., M.S.or Ph.D.). Each project is managed by one professor, each project is worked on by one or more professors and each project is worked on by one or more graduate students. When graduate students work on a project, a professor must supervise their work on the project. Graduate students can work on multiple projects. Departments have a department number, a department name, and a main office. Departments have a professor (known as the chairman) who runs the department. Professor works in one or more departments and for each department that they work in, a time percentage is associated with their job. Design and draw an ER diagram that captures the information about the University. 60
Chapter2: Database Design Fundamentals
Section: Chapter Questions
Problem 11RQ
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Consider the following information about a university
Transcribed Image Text:Consider the following information about a university database:
Professors have an SSN, a name, a rank, and a research specialty.
Projects are identified by a project number, more than one sponsor
name (e.g., NSF), a starting date, an ending date, and a budget.
Graduate students have an SSN, a name, and a current degree program
(e.g., M.S.or Ph.D.).
Each project is managed by one professor, each project is worked on by
one or more professors and each project is worked on by one or more
graduate students.
When graduate students work on a project, a professor must supervise
their work on the project. Graduate students can work on multiple
projects.
Departments have a department number, a department name, and a
main office.
Departments have a professor (known as the chairman) who runs the
department.
Professor works in one or more departments and for each department
that they work in, a time percentage is associated with their job.
Design and draw an ER diagram that captures the information about
the University.
60
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