Database Design 1 CMS 476 Dr. Karl Horak, Instructor.
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Transcript of Database Design 1 CMS 476 Dr. Karl Horak, Instructor.
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Database Design 1Database Design 1
CMS 476CMS 476Dr. Karl Horak, InstructorDr. Karl Horak, Instructor
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Session 1Session 1
AdministriviaAdministrivia Course OverviewCourse Overview Week in ReviewWeek in Review Application du JourApplication du Jour Lecture: The Who, What, When, Lecture: The Who, What, When,
Where and Why of DatabasesWhere and Why of Databases Demonstration: Introduction to AccessDemonstration: Introduction to Access ExercisesExercises
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Course OverviewCourse Overview
Instructor backgroundInstructor background ExpectationsExpectations of studentsof students Grading Grading Reference material Reference material Organization and presentation Organization and presentation Tools and resourcesTools and resources
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Instructor BackgroundInstructor Background
PhD, U of A, 1981PhD, U of A, 1981– Majored in Botany, Ecology, Statistics and Majored in Botany, Ecology, Statistics and
Genetics Genetics – Numerical taxonomy and agricultural statisticsNumerical taxonomy and agricultural statistics
Adjunct Professor, CSF since 1990Adjunct Professor, CSF since 1990 Principle Member of Technical Staff, Principle Member of Technical Staff,
Sandia National LaboratoriesSandia National Laboratories– Cooperative International ProgamsCooperative International Progams– Heavily involved in information managementHeavily involved in information management
—this class is about what I really do every day—this class is about what I really do every day
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Current ProjectsCurrent Projects
RPT Image ComparisonRPT Image Comparison Global Engagement websiteGlobal Engagement website Spent nuclear fuel assessment Spent nuclear fuel assessment
surveysurvey Wide-area networking Wide-area networking
technologies for border technologies for border monitoringmonitoring
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My ToolsetMy Toolset
SQLSQL AccessAccess VBAVBA PythonPython PlonePlone
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The Bottom LineThe Bottom Line
Nice people Nice people Cool projectsCool projects Interesting travelInteresting travel
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Expectations of Expectations of StudentsStudents PreparationPreparation AttendanceAttendance ParticipationParticipation HomeworkHomework ExamExam
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GradingGrading
Course ActivityCourse Activity % of Grade% of Grade
Homework Homework
(3 @ 20 pts)(3 @ 20 pts)60%60%
Final ExamFinal Exam 30%30%
Class ParticipationClass Participation 10%10%
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Reference MaterialReference Material
http://home.comcast.net/~karlhorak/476_SYL.htmhttp://home.comcast.net/~karlhorak/476_SYL.htm http://dir.yahoo.com/Computers_and_Internet/Software/Databases/http://dir.yahoo.com/Computers_and_Internet/Software/Databases/ http://en.wikipedia.org/wiki/Databasehttp://en.wikipedia.org/wiki/Database http://ocw.mit.eduhttp://ocw.mit.edu
(especially http://ocw.mit.edu/OcwWeb/Electrical-Engineering-and-Computer-Science/6-830Fall-2005/CourseHome/(especially http://ocw.mit.edu/OcwWeb/Electrical-Engineering-and-Computer-Science/6-830Fall-2005/CourseHome/index.htm)index.htm)
or just Google for itor just Google for it
Where’s the Where’s the textbook?!textbook?! At your fingertips …At your fingertips …
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Organization and Organization and PresentationPresentation Week in review—databases in real Week in review—databases in real
lifelife Recap—highlights of previous topics Recap—highlights of previous topics
and this week’s podcastand this week’s podcast Application du jour—samples of Application du jour—samples of
databases in actiondatabases in action Tonight’s lecture topicTonight’s lecture topic DemonstrationDemonstration Exercises and Q&AExercises and Q&A
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Tools and ResourcesTools and Resources
Access—Access—http://http://office.microsoft.comoffice.microsoft.com/en-us/access/en-us/access
MySQL—MySQL—http://www.mysql.comhttp://www.mysql.com Plone—Plone—http://plone.orghttp://plone.org
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Onward…!Onward…!
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Week in ReviewWeek in Review
Or, what I did on my summer Or, what I did on my summer vacationvacation
RPT—Access and PythonRPT—Access and Python NEN survey toolNEN survey tool WACSIWACSI MMNAMMNA
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Application du JourApplication du Jour
WACSIWACSI– ““Web Access for Civil Society Web Access for Civil Society
Improvements”Improvements”– Middle East Regional activityMiddle East Regional activity– Internet-centered collaborationInternet-centered collaboration– Focused on:Focused on:
Societal improvementsSocietal improvements Economic developmentEconomic development Women’s empowerment Women’s empowerment EducationEducation Religious toleranceReligious tolerance Human rightsHuman rights
– http://unm.wacsi.eduhttp://unm.wacsi.edu
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Tonight’s Lecture Tonight’s Lecture Topic:Topic: Who, What, When, Where and Who, What, When, Where and WhyWhy What is a database?What is a database? Why you should care?Why you should care? Who uses databases?Who uses databases? When should you use a database?When should you use a database? Where are the databases?Where are the databases?
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What is a Database?What is a Database?
Webster: “a usually large Webster: “a usually large collection of data organized collection of data organized especially for rapid search and especially for rapid search and retrieval (as by a computer)” retrieval (as by a computer)”
Horak: All computerized digital Horak: All computerized digital information is a database, it just information is a database, it just doesn’t know it yet. doesn’t know it yet.
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Wherefore and WhyWherefore and Why
Seek and you shall find … well, Seek and you shall find … well, maybemaybe
““If you don’t know what you’re If you don’t know what you’re looking for, you’ll find it.”looking for, you’ll find it.”
““If a piece of data is in a computer If a piece of data is in a computer twice, one of the copies is wrong.”twice, one of the copies is wrong.”
The two R’sThe two R’s– RetrievalRetrieval– RedundancyRedundancy
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What is a Database? What is a Database? Part 2Part 2
Types of Databases:Types of Databases: Unstructured (Free-text) Unstructured (Free-text) Flat file (e.g., Excel)Flat file (e.g., Excel) Hierarchical (C:\)Hierarchical (C:\) Relational (Access, MySQL, Relational (Access, MySQL,
Oracle)Oracle) Object-oriented (Zope)Object-oriented (Zope)
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Who and When?Who and When?
DBA = Database AdministratorDBA = Database Administrator Anyone with large volumes of Anyone with large volumes of
datadata Anyone with complex questions Anyone with complex questions Everybody needs databases, they Everybody needs databases, they
just don’t know it yetjust don’t know it yet
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Where are they? Where are they?
http://www.travelschlepp.comhttp://www.travelschlepp.com prius.xlsprius.xls Your hard driveYour hard drive EFAC.mdbEFAC.mdb http://freeplone2.openia.com/http://freeplone2.openia.com/
mmnammna
Some ExamplesSome Examples
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DemonstrationDemonstration
Introduction to MS AccessIntroduction to MS Access EFAC databaseEFAC database TerminologyTerminology
– Tables = spreadsheetsTables = spreadsheets– Records = rows Records = rows – Fields = columnsFields = columns
Getting around in AccessGetting around in Access
http://home.comcast.net/~karlhorak/SQLexercises.mdbhttp://home.comcast.net/~karlhorak/SQLexercises.mdb
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Getting Data OutGetting Data Out
QBE QBE – Drag-and-drop tables, fields, relationshipsDrag-and-drop tables, fields, relationships– Visual query builderVisual query builder
SQL SQL – Manually created and editedManually created and edited– Text-basedText-based
SPARQL SPARQL – RDF and XML-basedRDF and XML-based– Web 2.0 Web 2.0
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SQLSQL
SELECT <fieldlist or expression>SELECT <fieldlist or expression>– From <table or query>From <table or query>– Where <condition>Where <condition>– Order by <field or expression>Order by <field or expression>
– Group by <field>Group by <field>– Having <condition>Having <condition>– ;;
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QBEQBE
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Exercises and Q&AExercises and Q&A
Download and open the EFAC Download and open the EFAC databasedatabase
Familiarize yourself with the Familiarize yourself with the structure and the datastructure and the data
Answer some questions by Answer some questions by building queriesbuilding queries
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QueriesQueries
1.1. Display all data in the table. Display all data in the table. 2.2. Display just facility type and country for Display just facility type and country for
all items in the table. all items in the table. 3.3. Display the facility type, capacity, and Display the facility type, capacity, and
capacity units for just the facilities in capacity units for just the facilities in Brazil Brazil
4.4. Display facility type, country, and Display facility type, country, and capacity in kgU/year (hint: capacity is in capacity in kgU/year (hint: capacity is in metric tons, 1000 kg). Include a column metric tons, 1000 kg). Include a column that displays the units as "kgU/year". that displays the units as "kgU/year".