Ad Hoc Query - PowerPoint PPT Presentation

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Ad Hoc Query

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... self-join table more than once and use the self-joined tables ... Can't self join a table more than 1 time. Not easy to add new data items to formatted report ... – PowerPoint PPT presentation

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Provided by: Coll65
Learn more at: https://www.era.nih.gov
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Title: Ad Hoc Query


1
Ad Hoc Query Reporting Thread Tool
Recommendation
  • Ad Hoc Query Reporting Thread
  • March 26, 2002

2
Project Organization
  • Pre-Programmed Reporting Thread
  • Focused on the manipulation of pre-programmed
    (canned) reports that are currently generated in
    IMPAC II
  • Ad Hoc Reporting Thread
  • Focused on allowing the NIH user community to
    query the IMPAC II DB (OLTP IRDB) to retrieve
    data on an ad hoc basis.

3
Ad Hoc Q R Team
  • Carol Martin, Group Advocate
  • Krishna Collie, Analyst
  • Jim Tucker, Analyst

4
Executive Summary
  • User requirement provide and support a desktop
    ad hoc query reporting tool
  • Analysis evaluated 4 COTS tools against stated
    requirements and tested using pre-defined report
    and selection criteria.
  • Result - None of the tested tools met all of the
    MUST criteria.
  • Recommendation
  • Conduct user trial using Oracle Discoverer
    (recommended for pre-pgm.reports)

5
Objectives
  • To retrieve data from the IRDB current, history
    and frozen (PUB) files and/or the OLTP current
    files on an ad hoc basis
  • To produce formatted reports
  • To export data to spreadsheet or ASCII delimited
    file
  • To publish reports to the Web

6
Categories of Evaluation Criteria Used
  • General Criteria Must, Should, Could
  • Support and Maintenance Criteria
  • Security Criteria
  • Performance Metrics
  • Other Considerations

7
COSSET
8
Functional Requirements
  • Ease of use by end user
  • Allow users the ability to craft queries
  • Allow users ability to save queries
  • Export report to Excel and/or ASCII delimited
    file

9
Technical Requirements
  • Must be easy to configure, use and maintain
  • Ease of creating/maintaining meta-layer
  • Scalability across the enterprise
  • Ability to self-join table more than once and use
    the self-joined tables

10
Architectural Issues
  • Integration into eRA enterprise
  • Installation on Users Desktops
  • Seat Licenses
  • Web or Client/Server version?

11
Vendor Survey
  • Market Leaders
  • Hummingbird
  • COGNOS
  • Business Objects
  • ORACLE Discoverer
  • (Gartner Group Survey)

12
Finalists
  • While none of the tools met all musts,
    Discoverer merits careful consideration for
    following reasons
  • Discoverer selected for pre-programmed reports
  • OER already owns licenses for Discoverer
  • NCI staff successfully using tool for ad-hoc
    query
  • Other new IMPAC II products available to assist
    power users
  • ICSTORe export custom hit list to Excel Advanced
    Query
  • Pre-pgm. reports for user export/manipulation to
    be developed.

13
Product Evaluation
  • Queries
  • Complex
  • Simple
  • Report Formatting
  • Multi-lines per record
  • Headers and Footers
  • Borders, Colors, Shading, Fonts

14
Sample of Test Report
15
Sample Test Complex Report
16
Results of Evaluation
  • Hummingbird
  • Difficult to use
  • Cannot sort in the report
  • Must save query separately from report in order
    to make changes
  • Meta-layer setup difficult

17
Results of Evaluation
  • Cognos
  • Meta-layer setup difficult
  • Cant self join a table more than 1 time
  • Net80 directory must be on local hard drive
  • After report is formatted, cannot add another
    data item

18
Results of Evaluation
  • Business Objects
  • Cant self join a table more than 1 time
  • Not easy to add new data items to formatted
    report
  • Very cumbersome to format multi-line report
  • When partials results are returned, no way to
    next batch of results

19
Results of Evaluation
  • Oracle Discoverer
  • Requires careful meta-layer design maintenance
    to facilitate user friendliness
  • Lacks advanced formatting capabilities
  • Object terminology very confusing
  • End-user training and support essential

20
Recommendation
  • Conduct a live demo of Discoverer (IRDBDEV)
  • Present demo to user groups
  • RUG
  • ePUG
  • ADP/EP
  • Determine if their needs are satisfied by this
    tool
  • Group Advocate to continue evaluating other tools
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