o if I have this table: staffNo dentistName patientNo patientName appointment_date appointment_time surgery_no S1011 Tony Smith P100 Gillian White 12-Aug-03 10:00 S10 S1011 Tony Smith P105 Jill Bell 13-Aug-03 12:00 S15 S1024 Helen Pearson P108 Ian MacKay 12-Sep-03 10:00 S10 S1024 Helen Pearson P108 Ian MacKay 14-Sep-03 10:00 S10 S1032 Robin Plevin P105 Jill Bell 14-Oct-03 16:30 S15 S1032 Robin Plevin P110 John Walker 15-Oct-03 18:00 S13 Here the non-trivial functional relations include at least the following: staffNo --> dentistName patientNo -->patientName partientNo, appointment_date, appointment_time --> surgery_no
o if I have this table: staffNo dentistName patientNo patientName appointment_date appointment_time surgery_no S1011 Tony Smith P100 Gillian White 12-Aug-03 10:00 S10 S1011 Tony Smith P105 Jill Bell 13-Aug-03 12:00 S15 S1024 Helen Pearson P108 Ian MacKay 12-Sep-03 10:00 S10 S1024 Helen Pearson P108 Ian MacKay 14-Sep-03 10:00 S10 S1032 Robin Plevin P105 Jill Bell 14-Oct-03 16:30 S15 S1032 Robin Plevin P110 John Walker 15-Oct-03 18:00 S13 Here the non-trivial functional relations include at least the following: staffNo --> dentistName patientNo -->patientName partientNo, appointment_date, appointment_time --> surgery_no
Database Systems: Design, Implementation, & Management
12th Edition
ISBN:9781305627482
Author:Carlos Coronel, Steven Morris
Publisher:Carlos Coronel, Steven Morris
Chapter8: Advanced Sql
Section: Chapter Questions
Problem 69C: Update the DETAILRENTAL table to set the values in DETAIL_RETURNDATE to include a time component....
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So if I have this table:
staffNo | dentistName | patientNo | patientName | appointment_date | appointment_time | surgery_no |
S1011 | Tony Smith | P100 | Gillian White | 12-Aug-03 | 10:00 | S10 |
S1011 | Tony Smith | P105 | Jill Bell | 13-Aug-03 | 12:00 | S15 |
S1024 | Helen Pearson | P108 | Ian MacKay | 12-Sep-03 | 10:00 | S10 |
S1024 | Helen Pearson | P108 | Ian MacKay | 14-Sep-03 | 10:00 | S10 |
S1032 | Robin Plevin | P105 | Jill Bell | 14-Oct-03 | 16:30 | S15 |
S1032 | Robin Plevin | P110 | John Walker | 15-Oct-03 | 18:00 |
S13
|
Here the non-trivial functional relations include at least the following:
staffNo --> dentistName
patientNo -->patientName
partientNo, appointment_date, appointment_time --> surgery_no
Do you believe there are other functional dependencies? If so, what are they? If not, why not? Do you believe it would help to create additional attributes during normalization? If so, what are they? If not, justify why it's not needed.
How do I draw this out?
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