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Transcript of Discoverer Web
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Discoverer Web for AQS
Discoverer Web Discoverer Web for AQSfor AQSBonnie JohnsonBonnie Johnson
2004 AQS Conference2004 AQS ConferenceClearwater, FLClearwater, FL
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Goals for this class
• Learn what Discoverer is and how it works with the AQS database
• Learn how to connect to aqsprod from Discoverer Plus • Learn how to open a workbook from the database • Learn how to save a copy of a workbook • Learn about the main features of a workbook, such as
worksheets, items, and page items • Define new default worksheet settings • Create your own worksheet in a new workbook • Learn where to go for help with additional features
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Air Quality System (AQS)
• A repository for the Air Quality information reported by regional, state, local, and tribal agencies in accordance with Federal regulations
• A relational database named “aqsprod” on an EPA server RDBMS
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What is Discoverer?
• A business intelligence tool for ad hoc queries, reporting, analysis, and Web publishing from Oracle Corporation
• A retrieval only tool that works on a RDBMS whether it’s designed for online transaction processing (OLAP) or as a data warehouse
• Designed to give non-technical users immediate access to information and the ability to share results
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Why does Oracle think you’ll want to use Discoverer?
Discoverer's powerful and intuitive user interface enables you to: • find data that you know is in the database • access data quickly without waiting for the computer to search
through the entire database • view data in a familiar spreadsheet-style format that is easy to
read and understand • analyze data using a variety of powerful techniques including:
– drilling up and down through data – finding data that meets certain conditions or that falls within
ranges that you specify – sorting data – comparing results from "what if" scenarios
• prepare reports showing the results of your analysis • share data with others, and in other applications (e.g. Microsoft
Excel)
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Components of Discoverer
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Requirements for End UsersDiscoverer Plus: • Java-enabled Web browser* Java Virtual
Machine (JVM) such as Oracle JInitiator.
Discoverer Viewer: • HTML through a Web browser*• JavaScript must be enabled in the
browser.
*Internet Explorer 5.5 or later or Netscape Navigator version 4.7 or later
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Concentrate on Plus
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Key Terminology
Tables FoldersColumns ItemsRows RecordsQueries Worksheets
Group of worksheets = Workbook Grouping of Tables = Business Area Interface to database = End User Layer
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Your Business AreaAQS Basic
• Folders are composed primarily of views (i.e., combinations of tables) in the aqsproddatabase described in the Data Dictionary
• Reference tables (e.g., States, Parameters)
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Data Model for AQS
Monitors
Sites
Tangent Roads Open Paths
Monitors
Com m ents
Monitor PollutantAreas
Sam ple Periods
Monitor TypeAssignm ents
Monitor AgencyRoles
Monitor ObjectivesRequired CollectionFrequencies
Sam ple Schedules
MonitorTangentRoads
Probe Obstructions
Monitor RegulatoryCom pliance
MonitorCollocation
Periods
Monitor Protocols
Sites
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Monitors
Tangent Roads Open Paths Comments
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Data Model for AQS, cont’d
Monitors
NAAQS Averages Daily Summaries QuarterlySummariesAnnual Summaries
SummaryMaximums
SummaryPercentiles
SummaryProtocols
Monitors
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NAAQS Averages
Daily Summaries
Annual Summaries
Quarterly Summaries
Summary Maximums
Summary Percentiles
Summary Protocols
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Data Model for AQS, cont’d
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Monitors
Monitor AgencyRoles
Precision SummaryProtocols
Accuracy SummaryProtocols
Monitor PrecisionSummaries
Monitor AccuracySummaries
ReportingOrganization
PrecisionSummaries
ReportingOrganization
AccuracySummaries
Monitors
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Data Model for AQS, cont’d
Monitors
Monitor Protocols
Composite DataRaw Data Blanks DataAccuracy DataPrecision Data
Raw QualifierDetails
CompositeQualifier Details
Monitors
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Monitor Protocols
Precision Data
Accuracy Data
Composite Data
Blanks Data
Raw Qualifier Details
Raw Data
Composite Qualifier Details
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Starting Discoverer PlusURL: https://iasint.rtpnc.epa.gov/discoverer/plus
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Create a Connection
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Create a Connection, cont’d
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Connection Created
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Starting Discoverer for the 1st time on your PC
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Starting Discoverer for the 1st time on your PC, cont’d
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Successful connection
Exercise 11. Launch a web browser2. Go to
https://iasint.rtpnc.epa.gov/discoverer/plus
3. Create your connection4. Connect
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Exercise 1
1. Launch a web browser2. Go to
https://iasint.rtpnc.epa.gov/discoverer/plus3. Create your connection4. Connect
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Opening an Existing Workbook
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1st page results
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Last page results
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Work Area
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Online Help
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Oracle Technology Network
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Exercise 2
• Connect • Open an existing workbook in the
AQS Basic business area• Run the workbook
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Using the Workbook Wizard to Create a New Worksheet
Goal: Create a table showing the annual arithmetic means for O3in Florida during the past 3 years
Step 1
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Using the Workbook Wizard to Create a New Worksheet
Step 2 – Select Items
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Using the Workbook Wizard to Create a New WorksheetStep 2 – Select Items
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Using the Workbook Wizard to Create a New WorksheetStep 2 – Select Items
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Using the Workbook Wizard to Create a New WorksheetStep 2 – Select Items
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Using the Workbook Wizard to Create a New WorksheetStep 2 – Select Items
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Using the Workbook Wizard to Create a New WorksheetStep 2 – Select Items
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Using the Workbook Wizard to Create a New WorksheetStep 3 – Table Layout
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Using the Workbook Wizard to Create a New WorksheetStep 4 -Format
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Format Options
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Using the Workbook Wizard to Create a New WorksheetStep 5 - Conditions
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Using the Workbook Wizard to Create a New WorksheetStep 5Step 5 - Conditions
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Using the Workbook Wizard to Create a New WorksheetStep 5Step 5 - Conditions
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Using the Workbook Wizard to Create a New WorksheetStep 5Step 5 - Conditions
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Using the Workbook Wizard to Create a New WorksheetStep 6 - Sort
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Using the Workbook Wizard to Create a New WorksheetStep 7 - Calculations
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Using the Workbook Wizard to Create a New WorksheetStep 9 – Totals
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Using the Workbook Wizard to Create a New WorksheetStep 9 – Totals
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Using the Workbook Wizard to Create a New WorksheetStep 9 – Totals
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Using the Workbook Wizard to Create a New WorksheetStep 9 – Totals
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Using the Workbook Wizard to Create a New WorksheetStep 9 – Totals
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Using the Workbook Wizard to Create a New WorksheetStep 10 – Parameters
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Finally, run your query.
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Editing a sheet
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Editing a sheet, cont’d
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Editing a sheet, cont’d
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Editing a sheet, cont’d
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Editing a sheet, cont’d
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Exercise 3:
1. Create a table showing all criteria monitors with sampling periods beginning in 2004.
2. Add a title.
3. Count the number of monitors for each state.
4. How many of these monitors are there nation-wide?
Sample results
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Default Worksheet Settings
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Default Worksheet Settings, cont’d
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Other Views
Crosstab
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Crosstab created from this worksheet for exercise 3
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…add a graph.
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Output Options1. Excel
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Output Options2. Other file types
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Output OptionsHTML example
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Output OptionsComma delimited example – opened here with Excel
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Saving your Queries
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Sharing your Queries
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Sharing your Queries, cont’d
Your userid will be inserted in front of your workbook name, e.g., “BOS.New Criteria Monitors by state code”
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Buying Discoverer Desktop
Named User Plus License
Software Updates
Product Support
$1000 Perpetual $150 $70
$ 350 2-years$ 600 4-years
$ 200 1-year
Commercial Price as of 14 May 2004
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HelpYou have direct access to the Discoverer
Plus User’s Guide from Oracle