Consider the relation schema Appointment={Patient, GP, Date, Time, Clinic, Room} and the following set Σ of FDs: • Patient, Clinic, Date → Time • Patient → GP • GP → Clinic • Clinic, Date, Time, Room → Patient • Patient, Date, Time → Clinic, Room Is the above relation schema Appointment in BCNF? If not, identify a BCNF decomposition for Appointment. You need to include the main steps used for identifying the BCNF decomposition. Check if this BCNF decomposition is dependency preserving
Consider the relation schema Appointment={Patient, GP, Date, Time, Clinic, Room} and the following set Σ of FDs: • Patient, Clinic, Date → Time • Patient → GP • GP → Clinic • Clinic, Date, Time, Room → Patient • Patient, Date, Time → Clinic, Room Is the above relation schema Appointment in BCNF? If not, identify a BCNF decomposition for Appointment. You need to include the main steps used for identifying the BCNF decomposition. Check if this BCNF decomposition is dependency preserving
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Consider the relation schema Appointment={Patient, GP, Date, Time, Clinic, Room} and the following
set Σ of FDs:
• Patient, Clinic, Date → Time
• Patient → GP
• GP → Clinic
• Clinic, Date, Time, Room → Patient
• Patient, Date, Time → Clinic, Room
Is the above relation schema Appointment in BCNF? If not, identify a BCNF decomposition for Appointment. You need to include the main steps used for identifying the BCNF decomposition. Check if
this BCNF decomposition is dependency preserving
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