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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
Briefly explain the need for the BCNF Normal form and give an example of a relation that is in 3NF, but not in BCNF. Avoid using the example(s) given in lectures.
For relation R(Q, R, S, T); and functional dependencies F = {Q -> S, S -> Q, R -> T}, find the relation key(s) and give the highest normal form for R.
Two-way Associations Mostly, associations are travel in both directions, although not usually with same frequency. There are three approaches for the implementation. In
The Assessment page has a link to download a conceptual model, and a list of data. You are to map this conceptual model, and create the database in Oracle using your own DDL. T
Research Value: 7% Due Date: 17-Sep-2018 Return Date: 11-Oct-2018 Length: 700 words Submission method options: Alternative submission method Task back to top You are required to
explain five responsibilities of DBA?
Explain several types of constraints that can be specified using CREATE TABLE command. Explain CASCADE and RESTRICT clauses of DROP SCHEMA command? Constraint Description PRIM
please give me introduction to full data in D B M S in a short assignment
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What is Alternate Key Alternate Key: This is the candidate key which is not taken as the primary key of the table. They are named so because although not the primary key, the
Problem: (a) Given the following relation: Stats(Name,Sex,Children, Occupation, Salary, Tax, Audits) Write SQL code to define the following security constraints: (i) User
Distributed Database Management System
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