Please type it and if possible write it using the technic used in this example 1) day, hour, courseName, section → day, hour, professorCodeAugmentationcourseName, section → professorCode2) day, hour, courseName, section → localTransitivity:day, hour, courseName, section → day, hour, professorCodeandday, hour, professorCode → local3) day, hour, courseName, section → day, hour, localAugmentationcourseName, section → local4) day, hour, courseName, section → courseName, section, meetingTransitivityday, hour, courseName, section → day, hour, localandday, hour, local → courseName, section, meeting5) courseName, section, meeting → meetingReflexivity6) day, hour, courseName, section → meetingTransitivity on 4) and 5)day, hour, courseName, section → courseName, section, meetingandcourseName, section, meeting → meeting Here are the two sets of FDs for R ={A, B, C, D, E}.S = {A→B AB→C D→AC D→E}T = {A→BC D→AE}Are they equivalent?

In this question, we are asked about equivalence of two given FDs sets S and T over relation…

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Here are the two sets of FDs for R ={A, B, C, D, E}. S = {A→B AB→C D→AC D→E} = {A→BC D→AE} Are they equivalent?

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Concept explainers

Excel

Microsoft Excel is a useful as well as powerful data analysis and documentation programme. Microsoft Excel is a spreadsheet program developed by Microsoft that is available for Windows, macOS, Android, and iOS. It includes calculation, graphing tools, pivot tables, and a macro programming language called Visual Basic for Applications (VBA).

Question

Please type it and if possible write it using the technic used in this example

1) day, hour, courseName, section → day, hour, professorCode
Augmentation
courseName, section → professorCode
2) day, hour, courseName, section → local
Transitivity:
day, hour, courseName, section → day, hour, professorCode
and
day, hour, professorCode → local
3) day, hour, courseName, section → day, hour, local
Augmentation
courseName, section → local
4) day, hour, courseName, section → courseName, section, meeting
Transitivity
day, hour, courseName, section → day, hour, local
and
day, hour, local → courseName, section, meeting
5) courseName, section, meeting → meeting
Reflexivity
6) day, hour, courseName, section → meeting
Transitivity on 4) and 5)
day, hour, courseName, section → courseName, section, meeting
and
courseName, section, meeting → meeting

Here are the two sets of FDs for R ={A, B, C, D, E}.
S = {A→B AB→C D→AC D→E}
T = {A→BC D→AE}
Are they equivalent?

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