discoverer web training in san diego-spreadoutpages

8/6/2019 Discoverer Web Training in San Diego-Spreadoutpages

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Goals for this classoals for this class Introduce Discoverer Plus Finding the data you need Designing your workbooks Sharing your results Helping yourself


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What is Discoverer?hat is Discoverer? A business intelligence tool for ad hoc

queries, reporting, analysis, and Webpublishing from Oracle Corporation A retrieval only tool that works on arelational database whether its designedfor online transaction processing (OLAP)or as a data warehouse


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Itts the ad hoc query tool for AQS!the ad hoc query tool for AQS!How many AQS

sites are there inCalifornia?


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Itts the ad hoc query tool for AQS!the ad hoc query tool for AQS!


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How many active criteria monitors

are there in Region 9 states?

Discoverer Exported to Excel


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How does this work?ow does this work?End User LayerEnd User Layer


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Key Terminologyey TerminologyTables FoldersColumns ItemsRows RecordsQueries Worksheets

Interface to database = End User Layer

Grouping of Tables = Business AreaGroup of worksheets = Workbook


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What you needhat you need AQS userid and password Java-enabled Web browser Java Virtual Machine (JVM) such as Oracle

JInitiator Latest security certificate (pokeCertdb.bat) url:https://iasint.rtpnc.epa.gov/discoverer/plus


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https://iasint.rtpnc.epa.gov/discoverer/plushttps://iasint.rtpnc.epa.gov/discoverer/plus

Starting Discoverer PlusStarting Discoverer Plus
https://iasint.rtpnc.epa.gov/discoverer/plushttps://iasint.rtpnc.epa.gov/discoverer/plushttps://iasint.rtpnc.epa.gov/discoverer/plushttps://iasint.rtpnc.epa.gov/discoverer/plushttps://iasint.rtpnc.epa.gov/discoverer/plushttps://iasint.rtpnc.epa.gov/discoverer/plus


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Create a Connectionreate a Connection


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Connection CreatedConnection Created

Use this

connection


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Connection CreatedConnection Created


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Successful connectionuccessful connection


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Successful connectionuccessful connection


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Create/Open a Workbook?Create/Open a Workbook?


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AQSDatabase

ERD

Monitors

Sites

AnnualSummaries


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Your Business Areasour Business Areas Folders are composed primarily of views(i.e., combinations of tables) in the

aqsprod database as described in theData Dictionary Reference tables (e.g., States,

Parameters, Units) Raw data and other additional folders inAQSprod 9i

AQS basicQS basic AQSprod 9iQSprod 9i


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Data Model for AQSata Model for AQS


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Data Model for AQS, contata Model for AQS, contd


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Create/Open a Workbookreate/Open a Workbook


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Creating a New Workbookreating a New Workbook Use the

WorkbookWizard Start with a

simple goal inmind e.g.,

Find the statesin yourregion


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Selecting Itemselecting Items AQS basic is the

simplest BusinessArea

Scroll throughlist of folders Expand a folder

to see its items


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Selecting Itemselecting Items AQS basic is the

simplest BusinessArea

Scroll throughlist of folders Expand a folder

to see its items


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Highlightitems andmovethem to

the Selectedside

Selecting Items, contelecting Items, contd


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Table Layoutable LayoutClick and drag headings

to desired order


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Formattingormatting Format data and

headings for items Edit heading for anitem


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Conditionsonditions


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Sorts and Calculationsorts and Calculations


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Percentages and Totalsercentages and Totals


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Parameters and Resultsarameters and Results


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1. Launch a web browser2. Go to https://iasint.rtpnc.epa.gov/discoverer/plus3. Create your connection and Connect to aqsprod4. Create a new workbook using the AQS basic business area to

show all states within your EPA region5. Adjust the table layout so that EPA Region is in column 1,

State Abbreviation in column 2, State Name in column 3,State Code in column 4

6. Center headings for all columns (Format)7. Sort by EPA Region, then State Abbreviation. Change to a

group sort on EPA Region.8. Add a title

Exercise 1xercise 1
https://iasint.rtpnc.epa.gov/discoverer/plushttps://iasint.rtpnc.epa.gov/discoverer/plus


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Exercise 1: Sample Resultsxercise 1: Sample Results


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Did you notice?id you notice?

List of Values (LOV) Format multiple headings

Page Items Conditions may be inactive


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Exercise 2xercise 21. List all the parameters (pollutants)measured at site 06-001-00072. Modify #1 to include only parameters

being sampled since 20033. Modify #1 to show sampling end dates

No Cheating!

Exercise 2 Results


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All parameters at site All parms since 2003 All parms w/end date


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1. List all sites in your state that have beenterminated. For each row, show the state code,county code, site ID, date site created and datesite terminated.

2. Add a title.3. Include a count of the number of sites that havebeen terminated for each county and a grandtotal at the bottom. (Hint: Use Totals underTools menu or .)

Exercise 3xercise 3

Exercise 3 sample results


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Crosstabrosstabther Views -


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add a graph.dd a graph.


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Output Optionsutput Options - Excelxcel

utput Options TML


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Output Options - HTML


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Other Output Optionsther Output Options


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Using More Featuressing More Features1. Find all PM 2.5 monitors with sampling periodsbeginning in 20052. Sort the results by state abbreviation, county, site,and POC3. Display start date and end date (if any) for samplingperiods4. Display count of monitors in each state.5. Add an appropriate title6. Save the workbook on the database7. Share your workbook with your neighbor

Goal:

Desired ResultsDesired Results


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Live DemoLive Demo


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Live Demo . . . . . . . . . . . . . . . . . . .Live Demo . . . . . . . . . . . . . . . . . . .

Post presentation note:

During conference session, the worksheet

showing the desired results on the previouspage was shown.

Then the worksheets shown in the next 4 pageswere shown.

All of these workbooks have been shared w ith allusers. Look for them with names beginning w ith

BOS. Users can use them as they are, or editthem and save them under their own userid.

Monthly Max Values with Graphonthly Max Values with Graph


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Sample Monthly Max, Min, Mean by Monitorample Monthly Max, Min, Mean by Monitor


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Sample Quarterly Completeness Reportample Quarterly Completeness Report


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Hints and Tips and Other Good Stuffints and Tips and Other Good Stuff


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AQSprod is the database instance name Discoverer is accessing the live production database (AQSprod same as the AQS

application) Your Discoverer userid and password are the same as your AQS application userid

and password Only registered AQS users can accessAQSprod via Discoverer If you delete your cookies, youll have to recreate your connection Your Connection must be created on each different PC you use There is one EUL for AQS; multiple Business Areas AQS basic has the most commonly used tables

AQSprod 9i includes all the tables inAQS basic plus raw data current and a fewother related tables Online Help is pretty good! Any workbook you share with others will have your userid appended to the

beginning of the workbook name You can get to Discoverer from the AQS Web Application link on the EPA TTN

AQS page - http://www.epa.gov/ttn/airs/airsaqs/ You can find answers to some of the Frequently Asked Questions from a link on

the same page

Many of the reference tables are viewable fromhttp://www.epa.gov/ttn/airs/airsaqs/manuals/codedescs.htm

Hints and Tips and Other Good Stuff, contints and Tips and Other Good Stuff, contd
http://www.epa.gov/ttn/airs/airsaqs/http://www.epa.gov/ttn/airs/airsaqs/http://www.epa.gov/ttn/airs/airsaqs/manuals/codedescs.htmhttp://www.epa.gov/ttn/airs/airsaqs/manuals/codedescs.htmhttp://www.epa.gov/ttn/airs/airsaqs/manuals/codedescs.htmhttp://www.epa.gov/ttn/airs/airsaqs/


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Max time for Discoverer queries = 60mins; Max number of rows= 100,000 Many of the date fields are defined as YYYYMonDD HH:MM e.g.,2005Jun11 01:22 Many date fields are also defined for just the YYYY, or Q, Mon, or DD, or

HH, or MM

If you cant get a total within Discoverer, you may want to export to aspreadsheet and perform your totals (and other calculations) there. Java is secure with the Verisign Security Certificate updated annually Your browser must allow downloads of signed Active X controls to install

the JInitiator (Java Initiator) from Oracle either by identifying Oracle as atrusted site or prompting. As of 6/11/05, were using version 1.3.1.18 of theJInitiator. (Use Windows Control Panel to see JInitiator Control Panel)

You can change the default directory for exported worksheets Set your defaults to show your conditions and date/time in the title

Oracle Technology Network is a good source for information freeregistration look for Discoverer with Data Warehousing and BusinessIntelligence(http://www.oracle.com/technology/products/discoverer/index.html)

The next version will always be better . . . Or not.

Theres lots to do --
http://www.oracle.com/technology/products/discoverer/index.htmlhttp://www.oracle.com/technology/products/discoverer/index.html


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There s lots to do

Discover the datawith DISCOVERERISCOVERER!

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