chris bowman union university - 1987 memphis light, gas and water division data warehouse system –...
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Chris BowmanUnion University - 1987
Memphis Light, Gas and Water Division
Data Warehouse System – Team Lead
04/18/23
Agenda
Introduction Union Days MLGW Work Experience Data Warehouse Job Search Contact Info Q & A
04/18/23
Introduction
Married to Delaine McKee (Union 89) 4 children - homeschool
Steven – 17 (violin, MYS, Union 2006…) Sarah – 12 (violin, soccer…) Jonathan – 9 (violin, soccer…) David – 7 (soccer…)
Atoka, TN Sam the dog & Cooper the cat Christian Music, Jam Sessions, Snow
Skiing, Mountains, Coffee, Jogging, etc…
04/18/23
Union: Degree Earned
Bachelors of Science 1987 Major – Computer Science Minor – Accounting
04/18/23
Union: Personal Facts
Favorite Computer Class Data Structures – Mr. Jennings
Favorite Instructor Dr. Spohn - Biology
Favorite Class Chemistry – Dr. Davis
Worst Class Old Testament Survey
Worst Grade Federal Income Tax (B to D in 3.8 seconds)
Greatest Success Story Arts in Western Civ – Dr. McClune
04/18/23
Union: Positive Influence
Christian Environment Jesus Christ 1st
Caring Professors Available, Personal, Encouraging
Work Ethic Hard work, Much encouragement
04/18/23
Union: Lessons Learned
Save your work often! It can be gone in an instant.
It ain’t all fun! Grit your teeth and bear it.
Presumption can be dangerous! Get the facts. Consider the source.
04/18/23
MLGW: Overview
Memphis Light, Gas and Water Division Nation’s largest three-service public utility Over 400,000 residential, commercial and
industrial customers in Shelby County Over 2,800 employees (111 in I.S. Division)
04/18/23
MLGW: IS Org Chart
Manager – Information
Services(1)
VP Information Services, CIO
(2)
Manger – Information Technology
(2)
Supervisor – CIS & FIS Development
(1)
Supervisor – Admin. Systems
(1)
Supervisor - ERP Development
(2)
Supervisor – Technical Support
(1)
Supervisor – Office Automation
(2)
Supervisor – Data Processing (1)
Team Lead - Legacy
Replacement(8)
Team Lead – e-Business &
Internet/Intranet Application Dev
(4)
Team Lead - CIS Core Systems
(5)
Team Lead - System Integration
(8)
Team Lead - Work Management
Systems(4)
Team Lead - GLS(4)
Team Lead - MMS(5)
Team Lead - FIS(7)
Team Lead - HRS/Payroll
(5)
Team Lead - 3rd Party SW Support
(3)
Team Lead - Desktop Systems
(6)
Team Lead - Data Warehouse
(4)
Team Lead - Computer Operations
(8)
Team Lead - Record Retention
(3)
Team Lead - Telephone Operation
(4)
Team Lead - Help Desk Support
(4)
Team Lead - Network Support
(7)
Team Lead - Operating Systems
Support(6)
Team Lead - Database Support
(8)
Memphis Light, Gas and Water DivisionInformation Services Division
04/18/23
Work Experience
MLGW – 16 years Contracted Programmer – 1 yr Programmer/Analyst - 2 yrs Senior Programmer/Analyst - 8 yrs Computer Software Specialist II & III - 5 yrs Business Systems Analyst IV - 1 yr
Data Warehouse System Lead last 3 yrs
04/18/23
(cont.) Work Experience
BSA IV Key Responsibilities: Administration:
Project Management Business Continuity Cost Analysis Budgeting Promotion & Marketing Education
Technical: Business Analysis Developer Report Writer Web Development
MLGWData Warehouse
Overview
04/18/23
MLGW DW: Agenda
Introduction System Overview Access Requirements Keeping you Informed What Next? Contact Info Q & A
04/18/23
MLGW DW: Introduction
Information Services (VP-Linda Peppers) Information Technology (Mgr-Richard Bowker)
Office Automation (Supv-Torri Holliday) Data Warehouse System
04/18/23
MLGW DW: Introduction
Chris BowmanMLGWBusiness Systems Analyst IVData Warehouse Team LeadProject AdministrationBusiness Analysis
Heloise SimeltonMLGW
Computer Software Spec IIISecurity Administration
Training CoordinatorWeb Master
Bob KesslerCiber, Inc.
Database DeveloperData Extraction
Research AnalysisDatabase Development
Mike MarrMLGWBusiness Systems Analyst IIReport DevelopmentSoftware Administration
04/18/23
MLGW DW: System Overview
What is the Data Warehouse?
Technical Definition Why do we exist? Real Life Examples MLGW Data Warehouse Overview System Diagram Demonstration Usage Savings
04/18/23
MLGW DW: Technical Definition
A Data Warehouse is: “A database that consists of data extracted
from operational databases over time and architected to provide business users with analytical access to business information in a timely and efficient manner.”
Key Points:• Separate Database• Operational System Source• Historical Data• Analytical Design & Focus• Ad-hoc Reporting Capabilities
04/18/23
MLGW DW: Why do we exist?
Initial Estimated Savings - $4,561,9131997 Aug - RIP Study
Savings Estimates HR - $38,323 Fin - $517,500 EM - $199,000 WM - $1,635,000 MM - $1,508,757 CIS - $663,553
04/18/23
MLGW DW: Real Life Examples
Equipment Replacement Candidates
• What determines if a car or truck should be replaced?
Budget Tracking• How much money have I spent and how much
is left?
04/18/23
MLGW DW: MLGW DW Overview
Began Oct 1999 10 Data Marts
Human Resources Material ManagementEquipment Absence Time ReportingWork Management PayrollGeneral Ledger Safety ServiceBudget Consumption
Oracle Database• (350 GIG)• General Ledger – 190,000,000+ Rows• Consumption History – 85,000,000+ Rows
Hardware• Database Server - Linux/Dell• Web Server - 2000/Dell
Software• Business Objects – full client • WebIntelligence – thin client
04/18/23
MLGW DW: MLGW DW Overview
DW Support Staff• (Lead / Extract Spec / Business Analyst / Security-Training Coord / DBAs)
Data• Near Real Time• Retrieval Only
Use• 500 Users• 80% Ad-hoc• 550+ Production Reports• 3500 Reports Run/Month
Benefit• $4,500,000+ Original Estimate• $17,000,000+ Savings to Date
04/18/23
MLGW DW: System Diagram
ExtractFiles
Transfer files
WebIntelligence User
WebIntelligence User
Business Objects User
Business Objects User
WebIntelligence User
IDMS
FULL CLIENT
History Tapes
Oracle 8
Oracle 9i
CIS/Banner System
Mainframe
DW Database Server
Copy sourcetables
DW Web Server
THIN CLIENT
04/18/23
MLGW DW: Demonstration
Real Life Reports Equipment Replacement Report Remaining Actual vs Budget Report
Software Screen Shots Business Objects Designer Web Intelligence Create Document Web Intelligence Conditions Web Intelligence Result Document
04/18/23
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MLGW DW: Usage
2004 Averages• 750 Events/Day (2003-660 / 2002-360)• 160 Reports/Day (2003-120 / 2002-75)
Nbr Users up from 25/1999 to over 500/2004
60% Avg Annual Increase since 2000 Approx 80% of all usage is AD-HOC
04/18/23
MLGW DW: Usage
0
20
40
60
80
100
120
140
160
180
200Daily Average Activity
2001 2002 2003 2004
04/18/23
MLGW DW: Savings
2004 Savings - $4,239,301 $2,500,500 -Annualized $1,460,570 -Ad-hoc Annualized $56,920 -Tangible $221,311 -1 Time IS
2005 Estimated Savings - $5,173,179
Areas of Savings-Time -IS Programming-Dollar -Ad-hoc
Life to Date Savings: $17,100,701
04/18/23
MLGW DW: Savings
$0$500,000
$1,000,000$1,500,000$2,000,000$2,500,000$3,000,000$3,500,000$4,000,000$4,500,000$5,000,000$5,500,000
1998 1999 2000 2001 2002 2003 2004 Est2005
Expenses Benefits
04/18/23
MLGW DW: Access Requirements
Security Approval Training Class
Both are required prior to being granted access
to the Data Warehouse!
04/18/23
MLGW DW: Access Requirements
Security Approval:
Supervisor’s approval (Immediate superior) Data Owner approval (Data Mart Security Owner)
Must be obtained prior to attending Training!
DW Security Website Security Forms Security Types Data Owners
04/18/23
MLGW DW: Access Requirements
Training Class:
Full Day WebIntelligence Training Class Data Mart specific Hands-On Security Approval required
Schedule:
DW Website Call us !
04/18/23
MLGW DW: Access Requirements
Additional Training:
WebI Refresher classes are available on demand Users must attend Data Definition for additional data marts Business Objects users must attend Business Objects class
Training Options
DW Overview – 2 hrs WebI for each Data Mart – full day WebI Refresher – half day Business Objects (5i) – full day Data Definition for each Data Mart – 2 hrs Power User (5i) – half day One on One / Small Group / Hackers Class
219 Classes / 918 Students (As of Sept 2005)
04/18/23
MLGW DW: Keeping You Informed
Newsletter We produce a newsletter every other month with tips, updates and Data
Warehouse news. This is distributed via email.
User Group Meetings We conduct user group meetings to keep you informed and give you a
chance to ask questions in an interactive group setting.
Website Website contains information about team members, data marts,
security, training schedule, etc
Corporate Documents DW0001 – Load Summary DW0002 – User Security DW0004 – MetaData Object Source Data
04/18/23
MLGW DW: User Support
Training Most of our user’s attend multiple training sessions. Let us know
what your needs are and we will help you meet them.
Help Desk Support Continued mentoring and training Troubleshooting reports Research and Analysis Contact Us
Call up directly E-mail Regular Help Desk
Change Request An automated process that makes it easy to submit and monitor
user requests for Report and Data Mart changes.
04/18/23
MLGW DW: What Next?
Is the Data Warehouse for you? Obtain Required Security Approval
Attend Required Training Class WebIntelligence Training
Scheduled every 1 to 2 months (as needed) Full Day Hands-On Data Mart Specific
Run lots of Reports and save lots of Money
04/18/23
Job Search
Required Skills Computer Careers Job Market Salary Preparation Search Advice Job Advice References
04/18/23
Job Search: Required Skills
Responsibilities currently used to support the Data Warehouse• Extraction Specialist• Database Administrator• Developer• Business Analyst• Report Writer• Security Administrator• Training Coordinator
Recommended Education• 4 Year College Degree in one of the following:
Computer Science Information Systems Engineering with I.S. minor Business with I.S. minor Math with I.S. minor Accounting with I.S. minor
Alternative Education• Additional opportunities exists with 2 year Associates Degree in I.S.
04/18/23
Job Search: Careers
Computer Programmer Specializes in application programs or maintaining system software
Business/Systems Analyst Define and solve business, scientific, and engineering problems, using computers. Design and maintain computer systems (including hardware and software).
Database Administrator Database installation, maintenance, sizing, performance, tuning, backup and recovery. Develops database design and enhancements and migrates from development to production system.
Web Developer Define and solve business problems using the internet or intranet Works with customers to update and maintain web site
Network Analyst Analyze, design, test, and evaluate network systems Perform network modeling, analysis, and planning
Hardware Engineer Plan system concept and the hardware needs for computer systems Prepare detailed specifications and methods to interface computer products
Computer Operator / Security Administrator / Training Coordinator / Report Writer
04/18/23
Job Search: Job Market
Any Location Small towns to large cities
Fast Moving Technology is changing
Diverse Environments Work alone, in groups, at home
04/18/23
Job Search: Salary
2005 Average Starting Salaries: Computer Science – 52k Computer Programming – 54k Consulting – 49k
MLGW Starting Salaries: With 4 year degree – 53k With 2 year degree – 43k With no degree – 0k
04/18/23
Job Search: Preparation
Personal Computer Computer Publications Computer Books School Concentration:
Math Statistics Logic
You will never stop learning!
04/18/23
Job Search: Search Advice
Pray, Pray, Pray God’s will is most important
Know More/Know Less Confidence – not Arrogance
People Skills More important than Technical
First Impression No second chances
“Inside Contact” Just gets you inside
Interview Performance It’s just you baby
No one owes you anything Jobs won’t hunt you down
04/18/23
Job Search: Job Advice
Pray, Pray, Pray God’s will is still most important
Integrity and Strong Ethical Conduct Character, not characters
Have fun Don’t take things too seriously
Work to live, not live to work Have right priorities
No job is perfect People, Politics, and Pettiness
04/18/23
Job Search: References
Job Descriptions www.collegeboard.com/html/careerbrouser.html
Salary Information Salary.com Jobsmart.org/tools/salary/ ww.salaryexpert.com www.payscale.com
Bureau of Labor Statistics www.bls.gov
Job Search www.monster.com www.careerbuilder.com
04/18/23
Q & A
Questions?
04/18/23