Consider the company's database schema we have been discussingEmployee (NationallD., FName, MName, LName, Gender, Salary, Birthdate, DeptNo)50,000 records, 200 records/page, Hash Index on NationalID (1.4 reads/lookup)Department (DeptNo, Dept_Name, Manager_NationalID, Manager_StartDate)120 records, 80 records/page, Hash index on Manager_NationalID (1.4 reads/lookup)System's Buffer Pool = 50 pagesFind the best way to write a query retrieving the names of all department managers whowere born in December.

Introduction The acronym SQL stands for a structured query language, & sometimes it is…

Consider the company's database schema we have been discussing Employee (NationallD., FName, MName, LName, Gender, Salary, Birthdate, DeptNo) 50,000 records, 200 records/page, Hash Index on NationalID (1.4 reads/lookup) Department (DeptNo, Dept_Name, Manager_NationallD, Manager_StartDate) 120 records, 80 records/page, Hash index on Manager_NationalID (1.4 reads/lookup) System's Buffer Pool = 50 pages Find the best way to write a query retrieving the names of all department managers who were born in December.

Consider the company's database schema we have been discussing Employee (NationallD., FName, MName, LName, Gender, Salary, Birthdate, DeptNo) 50,000 records, 200 records/page, Hash Index on NationalID (1.4 reads/lookup) Department (DeptNo, Dept_Name, Manager_NationallD, Manager_StartDate) 120 records, 80 records/page, Hash index on Manager_NationalID (1.4 reads/lookup) System's Buffer Pool = 50 pages Find the best way to write a query retrieving the names of all department managers who were born in December.

A Guide to SQL

9th Edition

ISBN:9781111527273

Author:Philip J. Pratt

Publisher:Philip J. Pratt

Chapter2: Database Design Fundamentals

Section: Chapter Questions

Problem 11RQ

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