Consider the database described by the following schema: Hospital(hospital_code, name, address, phone#, num-of-beds) Patient(registration-num, name, address, birthdate,

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Consider the database described by the following schema:

Hospital(hospital_code, name, address, phone#, num-of-beds)

Patient(registration-num, name, address, birthdate, sex)

Occupany(registion-num,hospital-code,ward-code, bed-num)

Draw an initial query tree and show how an initial query tree is optimized by an algorithm.

Related Book For answer-question

Fundamentals of Database Systems

ISBN: 978-0136086208

6th edition

Authors: Ramez Elmasri, Shamkant Navathe

Posted Date: Oct 13, 2023 05:29 AM

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Consider the database described by the following schema: Hospital(hospital_code, name, address, phone#, num-of-beds) Patient(registration-num, name, address, birthdate,

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Initial query tree Hospital Patient Occupancy Optimized query tree Hospital Occupan... View the full answer

Fundamentals of Database Systems

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