Person (SSN, Name, Surname, DateOfBirth, Gender) SerologicalTest (CodT, CommercialName, Brand, Reliability) Building(CodB, City, Province Region, MaxCapacity) UndergoTest (

A Guide to SQL
9th Edition
ISBN:9781111527273
Author:Philip J. Pratt
Publisher:Philip J. Pratt
Chapter3: Creating Tables
Section: Chapter Questions
Problem 13RQ
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thank you for the tips! but for demonstration can you break down this sql query to help me understand better what u mean in a practical sense? 

Person (SSN, Name, Surname, DateOfBirth, Gender)

SerologicalTest (CodT, CommercialName, Brand, Reliability)

Building(CodB, City, Province Region, MaxCapacity)

UndergoTest (SSN, CodT, Date, CodB, Outcome) 

 

Considering only the buildings located in the Piedmont region (Region = “Piedmont”), find the dates of June 2020 at which the overall number of tests made in that building is maximal.  

 

please keep in mind that im a beginner but also please explain everything rigorously i really have to understand the thought process before 4 days so i can at least solve questions of this level. its just relational tables nothing more for the exam for now.

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