To keep track of students and their advisors, a university uses the table structure shown below. Assuming that the sample data are representative, draw a dependency diagram in Visio that shows all functional dependencies including both partial and transitive dependencies. (Hint: Look at the sample values to determine the nature of the relationships.) Attribute Name Sample Value Sample Value Sample Value Sample Value STUDENT_ID 123456 478596 123456 389987 STUDENT_NAME Kim Brutt Mary King Kim Brutt Donald Nouglle ADVISOR_ID 123 473 567 123 ADVISOR_NAME John Smith Kim Young Julia Roberts John Smith DEPARTMENT_CODE AIT CS ECE AIT DEPARTMENT_NAME Applied Information Technology Computer Science Electrical Engineering Applied Information Technology APPOINTMENT_DATE 01/01/2009 05/03/2009 03/06/2009 01/01/2009
To keep track of students and their advisors, a university uses the table structure shown below. Assuming that the sample data are representative, draw a dependency diagram in Visio that shows all functional dependencies including both partial and transitive dependencies. (Hint: Look at the sample values to determine the nature of the relationships.)
Attribute Name |
Sample Value |
Sample Value |
Sample Value |
Sample Value |
STUDENT_ID |
123456 |
478596 |
123456 |
389987 |
STUDENT_NAME |
Kim Brutt |
Mary King |
Kim Brutt |
Donald Nouglle |
ADVISOR_ID |
123 |
473 |
567 |
123 |
ADVISOR_NAME |
John Smith |
Kim Young |
Julia Roberts |
John Smith |
DEPARTMENT_CODE |
AIT |
CS |
ECE |
AIT |
DEPARTMENT_NAME |
Applied Information Technology |
Computer Science |
Electrical Engineering |
Applied Information Technology |
APPOINTMENT_DATE |
01/01/2009 |
05/03/2009 |
03/06/2009 |
01/01/2009 |
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