Focus To Web Focus - A Paradigm Shift
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FOCUS to WebFOCUS Edan Saltz Financial Security Assurance Information Builders Summit ‘09
description
Information Builders Summit, Nashville TN, June 2009This presentation will explore the switch from a FOCUS-based BI system to the newest Web-based technology. It will present the challenges of making the switch: the criteria for technology selection, the rationale for standardizing on WebFOCUS, and the tools used to convert the data warehouse, ETL, and suite of reports to WebFOCUS.
Transcript of Focus To Web Focus - A Paradigm Shift
FOCUS to WebFOCUS
Edan SaltzFinancial Security Assurance
Information Builders Summit ‘09
Financial SecurityAssuranceA Global Leader inFinancial Guaranty InsuranceWe provide a broad array of financial guaranty products to municipal, asset-backed and structured finance markets
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Why Switch? New Technologies
– Web based user interface– New Reporting Options– GUI Based Tools
Loss of Support– DEC Alpha Based System– OpenVMS FOCUS
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Multiple Single
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Choosing a Replacement Business Objects Actuate Cognos Brio WebFOCUS OpenVMS FOCUS
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Selection Criterea Technological Base
– New vs. Older– GUI vs. 4GL Based– SQL vs. Proprietary Language
Expense– Rewrite vs. Modify– Developer retraining– Phase-out Period
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Why WebFOCUS? Least Costly New Technology Developer Familiarity Easiest Phase Out of Old System Built in Scripting Language Lightning Fast Single System
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Magnitude of Project Twenty Years of Development
Effort 500 Scripts to convert Only 2 Full-time FOCUS
developers Continued Support of Legacy
system8FOCUS to WebFOCUS - A Paradigm ShiftWednesday, June 10, 2009
Old System
Data Warehouse
• 20 Focus Databases
• Historic Snapshots
• 1 Gig per Snapshot
ETL• Sybase
Source• BCP Data
Dumps• 60 Focexecs• 140 Data
Integrity Reports
Reporting System
• 250 Reports• 200
Parameter Screens
• Batch Reports
• Data Feeds
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Key Issues
Production schedule New/Updated Reports User Support Start Conversion in Old System
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Old System #1
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Old System #2
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Old System #3
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Old System #4
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Old System #5
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New System #1
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New System #2
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Project Planning
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ToolsetSelection
Data Warehous
e
ETL/Batch
System
Reports/Standard
s
Rollout
Toolset UltraEdit BeyondCompare Command Line Interface Batch facility WrapApp by SRL
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UltraEdit Programmer’s Macro Editor Syntax highlighting Myriad of tools Multiple Files Find/Change across files
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UltraEdit
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BeyondCompare Regression Testing
– Reports– FOCUS databases
Side-by-side comparison Flexible Filters
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BeyondCompare
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Command Line Interface Edastart –t Interactive Test environment Quick queries Developer Familiarity
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Batch Facility T3i Type Files ETL Engine Batch Reports Use existing scripts
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WrapApp by SRL Fast development Standard Look-and-Feel Reusable Object Based
Development
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Initial Setup Server WebFocus Menu System Test Reports
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Data Warehouse Develop Dump/Load Routines
– 40 New Scripts Convert Snapshots Data Integrity Reports - 140
Reports Sample Suite of Reports
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ETL/Batch System Convert Batch System Convert 60 ETL Scripts Parallel ETL Runs Compare Data Warehouse Data Integrity Reports
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Reports Convert using new standards Prioritize Based on Usage 250 Reports Testing
– Visual Inspection– Summary Tie Outs– Side-by-Side Output Compare
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New Standards Report Styles
– Heading & Footings– Style Sheets – PDF, Excel
CRT Forms HTML Forms Non Persistent Variables
– Variables are Parameters– Eliminate Reliance on Global Variables
OpenVMS Win2K OS Commands31FOCUS to WebFOCUS - A Paradigm ShiftWednesday, June 10, 2009
Rollout Education
– Developers– Develop Coursework– One-on-One Training
Staged Deployment– Department by Department
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