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Surgeons identified by doctor ID (DOCID) operate on patients identified by patient ID (PATID) in operating theaters identified by room numbers (ROOMNO). Each surgeon can operate on a number of patients each day, but an operating theatre can be used only once on any given date. The type of the operation (OPTYPE) performed by a surgeon on a patient and its outcome (OPRESULT) and the date of the operation (OPDATE) is recorded. Each operation is performed by a single surgeon on a single patient.
Given the relation:
OPERATIONS(DOCID, PATID, ROOMNO, OPDATE, OPTYPE, OPRESULT)
i) identify the functional dependencies for the relation OPERATIONS
ii) give relation key(s)
iii) give the highest normal form of relation OPERATIONS
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Normal 0 false false false EN-US X-NONE X-NONE
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