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Data-Ed Online: A Practical Approach to Data Modeling
1.
Welcome!
TITLE Practical Data Modeling Date: March 13, 2012 Time: 2:00 PM ET Presenter: Dr. Peter Aiken Twitter: #dataed PRODUCED BY CLASSIFICATION DATE SLIDE DATA BLUEPRINT 10124-C W. BROAD ST, GLEN ALLEN, VA 23060 EDUCATION 2/14/2012 1 © Copyright this and previous years by Data Blueprint - all rights reserved!
2.
TITLE
Meet Your Presenter: Dr. Peter Aiken • Internationally recognized thought-leader in the data management field with more than 30 years of experience • Recipient of the 2010 International Stevens Award • Founding Director of Data Blueprint (http://www.datablueprint.com) • Associate Professor of Information Systems at Virginia Commonwealth University (http://vcu.edu) • President of DAMA International (http://dama.org) • DoD Computer Scientist, Reverse Engineering Program Manager/ Office of the Chief Information Officer • Visiting Scientist, Software Engineering Institute/Carnegie Mellon University • 7 books and dozens of articles • Experienced w/ 500+ data management practices in 20 countries #dataed PRODUCED BY CLASSIFICATION DATE SLIDE DATA BLUEPRINT 10124-C W. BROAD ST, GLEN ALLEN, VA 23060 EDUCATION 2/14/2012 2 © Copyright this and previous years by Data Blueprint - all rights reserved!
3.
Practical Data
Modeling Dr. Peter Aiken: Practical Data Modeling DATA BLUEPRINT 10124-C W. BROAD ST, GLEN ALLEN, VA 23060 EDUCATION 2/14/2012
4.
TITLE
Practical Data Modeling This presentation provides you with an understanding of the data modeling and data development components of data management. Participants will understand how the analysis, design, implementation, deployment, and maintenance of data solutions should be approached in order to maximize the full value of the enterprise data resources and activities. Architecting in quality is imperative at this level and complements a subset of project activities within the system development lifecycle (SDLC) focused on defining data requirements, designing data solution components, and implementing these components. Participants will understand the difficulties organizations experience when interacting with data development efforts and how to best incorporate these efforts into specific data projects. #dataed PRODUCED BY CLASSIFICATION DATE SLIDE DATA BLUEPRINT 10124-C W. BROAD ST, GLEN ALLEN, VA 23060 EDUCATION 2/14/2012 4 © Copyright this and previous years by Data Blueprint - all rights reserved!
5.
TITLE
Outline 1. Data Management Overview 2. What is Data Modeling? What is Data Development? 3. Why are they important and how do they compare? 4. Where do they fit in as data management components? 5. Data Modeling/Development Frameworks 6. Data/Information Architecture Building Blocks 7. Guiding Principles & Best Practices 8. Improving Data Modeling and Data Development within Your Organization: 7 Mistakes You Cannot Afford to Make Tweeting now: 9. Take Aways, References & Q&A #dataed PRODUCED BY CLASSIFICATION DATE SLIDE DATA BLUEPRINT 10124-C W. BROAD ST, GLEN ALLEN, VA 23060 EDUCATION 2/14/2012 5 © Copyright this and previous years by Data Blueprint - all rights reserved!
6.
TITLE
The DAMA Guide to the Data Management Body of Knowledge Published by DAMA International • The professional association for Data Managers (40 chapters worldwide) DMBoK organized around • Primary data management functions focused around data delivery to the organization • Organized around several environmental elements Data Management Functions PRODUCED BY CLASSIFICATION DATE SLIDE DATA BLUEPRINT 10124-C W. BROAD ST, GLEN ALLEN, VA 23060 EDUCATION 2/14/2012 6 © Copyright this and previous years by Data Blueprint - all rights reserved!
7.
TITLE
The DAMA Guide to the Data Management Body of Knowledge Amazon: http:// www.amazon.com/ DAMA-Guide- Management- Knowledge-DAMA- DMBOK/dp/ 0977140083 Or enter the terms "dama dm bok" at the Amazon search engine Environmental Elements PRODUCED BY CLASSIFICATION DATE SLIDE DATA BLUEPRINT 10124-C W. BROAD ST, GLEN ALLEN, VA 23060 EDUCATION 2/14/2012 7 © Copyright this and previous years by Data Blueprint - all rights reserved!
8.
TITLE
What is the CDMP? • Certified Data Management Professional • DAMA International and ICCP • Membership in a distinct group made up of your fellow professionals • Recognition for your specialized knowledge in a choice of 17 specialty areas • Series of 3 exams • For more information, please visit: – http://www.dama.org/i4a/pages/ index.cfm?pageid=3399 – http://iccp.org/certification/ designations/cdmp #dataed PRODUCED BY CLASSIFICATION DATE SLIDE DATA BLUEPRINT 10124-C W. BROAD ST, GLEN ALLEN, VA 23060 EDUCATION 2/14/2012 8 © Copyright this and previous years by Data Blueprint - all rights reserved!
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Data Management #dataed PRODUCED BY CLASSIFICATION DATE SLIDE DATA BLUEPRINT 10124-C W. BROAD ST, GLEN ALLEN, VA 23060 EDUCATION 2/14/2012 9 © Copyright this and previous years by Data Blueprint - all rights reserved!
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Data Management Manage data coherently. Data Program Coordination Share data across boundaries. Organizational Data Integration Data Stewardship Data Development Assign responsibilities for data. Engineer data delivery systems. Data Support Operations Maintain data availability. #dataed PRODUCED BY CLASSIFICATION DATE SLIDE DATA BLUEPRINT 10124-C W. BROAD ST, GLEN ALLEN, VA 23060 EDUCATION 2/14/2012 10 © Copyright this and previous years by Data Blueprint - all rights reserved!
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Outline 1. Data Management Overview 2. What is Data Modeling? What is Data Development? 3. Why are they important and how do they compare? 4. Where do they fit in as data management components? 5. Data Modeling/Development Frameworks 6. Data/Information Architecture Building Blocks 7. Guiding Principles & Best Practices 8. Improving Data Modeling and Data Development within Your Organization: 7 Mistakes You Cannot Afford to Make Tweeting now: 9. Take Aways, References & Q&A #dataed PRODUCED BY CLASSIFICATION DATE SLIDE DATA BLUEPRINT 10124-C W. BROAD ST, GLEN ALLEN, VA 23060 EDUCATION 2/14/2012 11 © Copyright this and previous years by Data Blueprint - all rights reserved!
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Summary: Data Development #dataed from The DAMA Guide to the Data Management Body of Knowledge © 2009 by DAMA International PRODUCED BY CLASSIFICATION DATE SLIDE DATA BLUEPRINT 10124-C W. BROAD ST, GLEN ALLEN, VA 23060 EDUCATION 2/14/2012 12 © Copyright this and previous years by Data Blueprint - all rights reserved!
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Data Development Definition • Analysis, design, implementation, deployment, and maintenance of data solutions to maximize the value of the data resources to the enterprise • Subset of SDLC – defining and implementing data solution components – Primarily databases and data structures but includes screens, reports, interfaces – Now is recognized to include data virtualization, portals, XML delivery, etc. • Example: data definition language (DDL) #dataed PRODUCED BY CLASSIFICATION DATE SLIDE DATA BLUEPRINT 10124-C W. BROAD ST, GLEN ALLEN, VA 23060 EDUCATION 2/14/2012 13 © Copyright this and previous years by Data Blueprint - all rights reserved!
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Data Modeling Definition • Modeling = Analysis and design method used to – Define and analyze data requirements – Design data structures that support these requirements • Model = set of data specifications and related diagrams that reflect requirements and designs – Representation of something in our environment – Employs standardized text/symbols to represent data attributes (grouped into data elements) and the relationships among them – Integrated collection of specifications and related diagrams that represent data requirements and design #dataed from The DAMA Guide to the Data Management Body of Knowledge © 2009 by DAMA International PRODUCED BY CLASSIFICATION DATE SLIDE DATA BLUEPRINT 10124-C W. BROAD ST, GLEN ALLEN, VA 23060 EDUCATION 2/14/2012 14 © Copyright this and previous years by Data Blueprint - all rights reserved!
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Outline 1. Data Management Overview 2. What is Data Modeling? What is Data Development? 3. Why are they important and how do they compare? 4. Where do they fit in as data management components? 5. Data Modeling/Development Frameworks 6. Data/Information Architecture Building Blocks 7. Guiding Principles & Best Practices 8. Improving Data Modeling and Data Development within Your Organization: 7 Mistakes You Cannot Afford to Make Tweeting now: 9. Take Aways, References & Q&A #dataed PRODUCED BY CLASSIFICATION DATE SLIDE DATA BLUEPRINT 10124-C W. BROAD ST, GLEN ALLEN, VA 23060 EDUCATION 2/14/2012 15 © Copyright this and previous years by Data Blueprint - all rights reserved!
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Data Modeling • Modeling = complex process involving interaction between people and with technology that don’t compromise the integrity or security of the data • Good data models accurately express and effectively communicate data requirements and quality solution design • Modeling approach (guided by 2 formulas): – Purpose + audience = deliverables – Deliverables + resources + time = approach #dataed from The DAMA Guide to the Data Management Body of Knowledge © 2009 by DAMA International PRODUCED BY CLASSIFICATION DATE SLIDE DATA BLUEPRINT 10124-C W. BROAD ST, GLEN ALLEN, VA 23060 EDUCATION 2/14/2012 16 © Copyright this and previous years by Data Blueprint - all rights reserved!
17.
Data Models Facilitate
TITLE 1. Formalization o Data model documents a single, precise definition of data requirements and data-related business rules 2. Communication o Data model is a bridge to understanding data between people with different levels and types of experience. o Helps understand business area, existing application, or impact of modifying an existing structure o May also facilitate training new business and/or technical staff 3. Scope o Data model can help explain the data concept and scope of purchased application packages #dataed from The DAMA Guide to the Data Management Body of Knowledge © 2009 by DAMA International PRODUCED BY CLASSIFICATION DATE SLIDE DATA BLUEPRINT 10124-C W. BROAD ST, GLEN ALLEN, VA 23060 EDUCATION 2/14/2012 17 © Copyright this and previous years by Data Blueprint - all rights reserved!
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Data Models: Same But Different • Models that include the same data may differ by • Scope: Express a perspective about data in terms of: – Function: business view vs. application view – Realm: process, department, division, enterprise or industry – Time: current state, short-term future, long-term future • Focus: – Conceptual view: Basic and critical concepts – Logical view: Detailed but independent of context – Physical view: Optimized for a specific technology/use #dataed from The DAMA Guide to the Data Management Body of Knowledge © 2009 by DAMA International PRODUCED BY CLASSIFICATION DATE SLIDE DATA BLUEPRINT 10124-C W. BROAD ST, GLEN ALLEN, VA 23060 EDUCATION 2/14/2012 18 © Copyright this and previous years by Data Blueprint - all rights reserved!
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Data Model Uses • Use data models to specify the data required for information needs • Data flows through business processes packaged in information products • Data contained in these products must meet business requirements #dataed from The DAMA Guide to the Data Management Body of Knowledge © 2009 by DAMA International PRODUCED BY CLASSIFICATION DATE SLIDE DATA BLUEPRINT 10124-C W. BROAD ST, GLEN ALLEN, VA 23060 EDUCATION 2/14/2012 19 © Copyright this and previous years by Data Blueprint - all rights reserved!
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Data Models Used to Support Strategy • Flexible, adaptable data structures • Cleaner, less complex code • Ensure strategy effectiveness measurement • Build in future capabilities • Form/assess merger and acquisitions strategies Employee Employee Sales Manager Manager Staff Line #dataed Adapted from Introduction to Data Modeling by Clive Finkelstein in Information Engineering Strategic Systems Development 1992 PRODUCED BY CLASSIFICATION DATE SLIDE DATA BLUEPRINT 10124-C W. BROAD ST, GLEN ALLEN, VA 23060 EDUCATION 2/14/2012 20 © Copyright this and previous years by Data Blueprint - all rights reserved!
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Data Models and Business Rules BR1) Zero, one, or more Person EMPLOYEES can be associated Job Class with one PERSON BR4) One or more BR2) Zero, one, or more POSITIONS EMPLOYEES can be associated can be Moonligh:ng with one JOB CLASS; associated with one JOB CLASS. Job Sharing Employee Posi:on BR3) Zero, one, or more EMPLOYEES can be associated with one POSITION PRODUCED BY CLASSIFICATION DATE SLIDE DATA BLUEPRINT 10124-C W. BROAD ST, GLEN ALLEN, VA 23060 EDUCATION 2/14/2012 21 © Copyright this and previous years by Data Blueprint - all rights reserved!
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Outline 1. Data Management Overview 2. What is Data Modeling? What is Data Development? 3. Why are they important and how do they compare? 4. Where do they fit in as data management components? 5. Data Modeling/Development Frameworks 6. Data/Information Architecture Building Blocks 7. Guiding Principles & Best Practices 8. Improving Data Modeling and Data Development within Your Organization: 7 Mistakes You Cannot Afford to Make Tweeting now: 9. Take Aways, References & Q&A #dataed PRODUCED BY CLASSIFICATION DATE SLIDE DATA BLUEPRINT 10124-C W. BROAD ST, GLEN ALLEN, VA 23060 EDUCATION 2/14/2012 22 © Copyright this and previous years by Data Blueprint - all rights reserved!
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Data Management Functions from The DAMA Guide to the Data Management Body #dataed of Knowledge © 2009 by DAMA International PRODUCED BY CLASSIFICATION DATE SLIDE DATA BLUEPRINT 10124-C W. BROAD ST, GLEN ALLEN, VA 23060 EDUCATION 2/14/2012 23 © Copyright this and previous years by Data Blueprint - all rights reserved!
24.
from The DAMA
Guide to the Data Management Body of Knowledge © 2009 by DAMA International TITLE Data Modeling and Design Quality Management Analysis Design Build Test Maintain • Implement development/test database changes • Create and maintain test data • Migrate and convert data • Build and test information products • Build and test data access services • Validate information requirements • Prepare for data deployment #dataed PRODUCED BY CLASSIFICATION DATE SLIDE DATA BLUEPRINT 10124-C W. BROAD ST, GLEN ALLEN, VA 23060 EDUCATION 2/14/2012 24 © Copyright this and previous years by Data Blueprint - all rights reserved!
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Data Modeling and Data Architecture • Data modeling is used to articulate data architecture components • Data architectures are comprised of components – usually expressed as models • Styles of data modeling exist – this is a challenge – IE or information engineering – IDEF1X used by DoD – ORM or object role modeling – UML or unified modeling language • Data models are useful – In stand-alone mode – As components of a larger information architecture #dataed PRODUCED BY CLASSIFICATION DATE SLIDE DATA BLUEPRINT 10124-C W. BROAD ST, GLEN ALLEN, VA 23060 EDUCATION 2/14/2012 25 © Copyright this and previous years by Data Blueprint - all rights reserved!
26.
Data Architectures produce
and are made up of models that are developed in response to organizational needs satisfy specific organizational needs Organizational Needs become instantiated and integrated into an Data/Information Architecture authorizes and ! articulates ! " ! " ! " !"#$%&'($")*+,-.&) " /.012%.&."-,3 #dataed PRODUCED BY CLASSIFICATION DATE SLIDE DATA BLUEPRINT 10124-C W. BROAD ST, GLEN ALLEN, VA 23060 EDUCATION 03/09/12 26 © Copyright this and previous years by Data Blueprint - all rights reserved!
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How do Data Models Support Organizational Strategy? • Consider the opposite question: – Were your systems explicitly designed to be integrated or otherwise work together? – If not then what is the likelihood that they will work well together? – In all likelihood your organization is spending between 20-40% of its IT budget compensating for poor data structure integration – They cannot be helpful as long as their structure is unknown • Two answers 1. Achieving efficiency and effectiveness goals 2. Providing organizational dexterity for rapid implementation #dataed PRODUCED BY CLASSIFICATION DATE SLIDE DATA BLUEPRINT 10124-C W. BROAD ST, GLEN ALLEN, VA 23060 EDUCATION 2/14/2012 27 © Copyright this and previous years by Data Blueprint - all rights reserved!
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How are Data Models Expressed as Architectures? • Attributes are organized into entities/objects – Attributes are characteristics of "things" – Entitles/objects are "things" whose information is managed in support of strategy – Examples • Entities/objects are organized into models – Combinations of attributes and entities are structured to represent information requirements – Poorly structured data, constrains organizational information delivery capabilities – Examples • Models are organized into architectures – When building new systems, architectures are used to plan development – More often, data managers do not know what existing architectures are and - therefore - cannot make use of them in support of strategy implementation – Why no examples? #dataed PRODUCED BY CLASSIFICATION DATE SLIDE DATA BLUEPRINT 10124-C W. BROAD ST, GLEN ALLEN, VA 23060 EDUCATION 2/14/2012 28 © Copyright this and previous years by Data Blueprint - all rights reserved!
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Outline 1. Data Management Overview 2. What is Data Modeling? What is Data Development? 3. Why are they important and how do they compare? 4. Where do they fit in as data management components? 5. Data Modeling/Development Frameworks 6. Data/Information Architecture Building Blocks 7. Guiding Principles & Best Practices 8. Improving Data Modeling and Data Development within Your Organization: 7 Mistakes You Cannot Afford to Make 9. Take Aways, References & Q&A Tweeting now: #dataed PRODUCED BY CLASSIFICATION DATE SLIDE DATA BLUEPRINT 10124-C W. BROAD ST, GLEN ALLEN, VA 23060 EDUCATION 2/14/2012 29 © Copyright this and previous years by Data Blueprint - all rights reserved!
30.
The Data Model
Pyramid TITLE Source: Steve Hoberman & George McGeachie, Key Features Needed in a Data #dataed Modeling Tool; http://www.tdan.com/view-articles/15768 PRODUCED BY CLASSIFICATION DATE SLIDE DATA BLUEPRINT 10124-C W. BROAD ST, GLEN ALLEN, VA 23060 EDUCATION 2/14/2012 30 © Copyright this and previous years by Data Blueprint - all rights reserved!
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Disposition Data Map #dataed PRODUCED BY CLASSIFICATION DATE SLIDE DATA BLUEPRINT 10124-C W. BROAD ST, GLEN ALLEN, VA 23060 EDUCATION 2/14/2012 31 © Copyright this and previous years by Data Blueprint - all rights reserved!
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Data Map of DISPOSITION • At least one but possibly more system USERS enter the DISPOSITION facts into the system. • An ADMISSION is associated with one and only one DISCHARGE. • An ADMISSION is associated with zero or more FACILITIES. • An ADMISSION is associated with zero or more PROVIDERS. • An ADMISSION is associated with one or more ENCOUNTERS. • An ENCOUNTER may be recorded by a system USER. • An ENCOUNTER may be associated with a PROVIDER. • An ENCOUNTER may be associated with one or more DIAGNOSES. ADMISSION Contains information about patient admission history related to one or more inpatient episodes DIAGNOSIS Contains the International Disease Classification (IDC) of code representation and/or description of a patient's health related to an inpatient code DISCHARGE A table of codes describing disposition types available for an inpatient at a FACILITY ENCOUNTER Tracking information related to inpatient episodes FACILITY File containing a list of all facilities in regional health care system PROVIDER Full name of a member of the FACILITY team providing services to the patient USER Any user with access to create, read, update, and delete DISPOSITION data PRODUCED BY CLASSIFICATION DATE SLIDE DATA BLUEPRINT 10124-C W. BROAD ST, GLEN ALLEN, VA 23060 EDUCATION 03/09/12 32 © Copyright this and previous years by Data Blueprint - all rights reserved!
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Attributes & Definitions BED Bed.Id # Attributes arranged into an entity Bed.Descrip:on named "bed" – the attribute Bed.Id is the means used to identify a Bed.Status unique occurrence of bed Bed.Sex.To.Be.Assigned Bed.Reserve.Reason Entity: BED Data Asset Type: Principal Data Entity Purpose: This is a substructure within the Attributes displayed in a Room substructure of the Facility manner encouraging their Location. It contains information reuse as perhaps in a CASE- about beds within rooms. tool or metadata repository – A purpose statement Source: Maintenance Manual for File and describing why the Table Data (Software Version organization is maintaining 3.0, Release 3.1) information about these Attributes: Bed.Description "business things" – Sources Bed.Status of information about it – (A partial) List of the Bed.Sex.To.Be.Assigned attributes or characteristics of Bed.Reserve.Reason the entity – Associations Associations: >0-+ Room with other data items; this is Status: Validated read as ROOM contains zero or more BEDS PRODUCED BY CLASSIFICATION DATE SLIDE DATA BLUEPRINT 10124-C W. BROAD ST, GLEN ALLEN, VA 23060 EDUCATION 2/14/2012 33 © Copyright this and previous years by Data Blueprint - all rights reserved!
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ANSI-SPARK 3-Layer Schema 1. Conceptual - Allows independent customized user views: – Each should be able to access the same data, but have a different customized view of the data. 2. Logical - This hides the physical storage details from users: – Users should not have to deal with physical database storage details. They should be allowed to work with the data itself, without concern for how it is physically stored. 3. Physical - The database administrator should be able to change the database storage structures without affecting the users’ views: For example, a changeover to a new – Changes to the structure of an DBMS technology. The database organization's data will be required. The administrator should be able to internal structure of the database should change the conceptual or global be unaffected by changes to the physical structure of the database without aspects of the storage. affecting the users. PRODUCED BY CLASSIFICATION DATE SLIDE DATA BLUEPRINT 10124-C W. BROAD ST, GLEN ALLEN, VA 23060 EDUCATION 2/14/2012 34 © Copyright this and previous years by Data Blueprint - all rights reserved!
35.
Data Modeling is
used throughout the Systems Development Lifecycle Analysis Design Build Test Maintain #dataed from The DAMA Guide to the Data Management Body of Knowledge © 2009 by DAMA International PRODUCED BY CLASSIFICATION DATE SLIDE DATA BLUEPRINT 10124-C W. BROAD ST, GLEN ALLEN, VA 23060 EDUCATION 03/09/12 35 © Copyright this and previous years by Data Blueprint - all rights reserved!
36.
TITLE
Outline 1. Data Management Overview 2. What is Data Modeling? What is Data Development? 3. Why are they important and how do they compare? 4. Where do they fit in as data management components? 5. Data Modeling/Development Frameworks 6. Data/Information Architecture Building Blocks 7. Guiding Principles & Best Practices 8. Improving Data Modeling and Data Development within Your Organization: 7 Mistakes You Cannot Afford to Make Tweeting now: 9. Take Aways, References & Q&A #dataed PRODUCED BY CLASSIFICATION DATE SLIDE DATA BLUEPRINT 10124-C W. BROAD ST, GLEN ALLEN, VA 23060 EDUCATION 2/14/2012 36 © Copyright this and previous years by Data Blueprint - all rights reserved!
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TITLE
Data Modeling & Development Building Blocks ü ü ü ü ü ü ü ü ü ü ü ü ü ü #dataed Illustration from The DAMA Guide to the Data Management Body of Knowledge p. 37 © 2009 by DAMA International PRODUCED BY CLASSIFICATION DATE SLIDE DATA BLUEPRINT 10124-C W. BROAD ST, GLEN ALLEN, VA 23060 EDUCATION 2/14/2012 37 © Copyright this and previous years by Data Blueprint - all rights reserved! 45
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Summary: Data Development #dataed from The DAMA Guide to the Data Management Body of Knowledge © 2009 by DAMA International PRODUCED BY CLASSIFICATION DATE SLIDE DATA BLUEPRINT 10124-C W. BROAD ST, GLEN ALLEN, VA 23060 EDUCATION 2/14/2012 38 © Copyright this and previous years by Data Blueprint - all rights reserved!
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Goals and Principles 1. Identify and define data requirements. 2. Design data structures and other solutions to these requirements. 3. Implement and maintain solution components that meet these requirements. 4. Ensure solution conformance to data architecture and standards as appropriate. 5. Ensure the integrity, security, usability, and maintainability of structured data assets. from The DAMA Guide to the Data Management Body of Knowledge © 2009 by DAMA International PRODUCED BY CLASSIFICATION DATE SLIDE DATA BLUEPRINT 10124-C W. BROAD ST, GLEN ALLEN, VA 23060 EDUCATION 2/14/2012 39 © Copyright this and previous years by Data Blueprint - all rights reserved!
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TITLE
Data Modeling/Development Activities 1. Data modeling, analysis and solution design 1) Analyze information requirements 2) Develop and maintain conceptual models 3) Develop and maintain logical models 4) Develop and maintain physical models 2. Detailed data design 1) Design physical databases 2) Design information products 3) Design data access services 4) Design data integration services #dataed from The DAMA Guide to the Data Management Body of Knowledge © 2009 by DAMA International PRODUCED BY CLASSIFICATION DATE SLIDE DATA BLUEPRINT 10124-C W. BROAD ST, GLEN ALLEN, VA 23060 EDUCATION 2/14/2012 40 © Copyright this and previous years by Data Blueprint - all rights reserved!
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TITLE
Data Modeling/Development Activities, cont’d 3. Data model and design quality management 1) Develop data modeling and design standards 2) Review data model and database design quality 3) Manage data model versioning and integration 4. Data implementation 1) Implement development/test database changes 1) Create and maintain test data 2) Migrate and convert data 3) Build and test information products 4) Build and test data access services 5) Validate information requirements 6) Prepare for data deployment #dataed from The DAMA Guide to the Data Management Body of Knowledge © 2009 by DAMA International PRODUCED BY CLASSIFICATION DATE SLIDE DATA BLUEPRINT 10124-C W. BROAD ST, GLEN ALLEN, VA 23060 EDUCATION 2/14/2012 41 © Copyright this and previous years by Data Blueprint - all rights reserved!
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TITLE
Primary Deliverables • Data Requirements and Business Rules • Conceptual Data Models • Logical Data Models and Specifications • Physical Data Models and Specifications • Meta-data (Business and Technical) • Version Controlled Data Models • Data Modeling and DB design Standards • Test Data • Data Model and DB Design • Development and Test Reviews Databases • Data Integration Services • Information Products • Data Access Services • Migrated and Converted Data #dataed from The DAMA Guide to the Data Management Body of Knowledge © 2009 by DAMA International PRODUCED BY CLASSIFICATION DATE SLIDE DATA BLUEPRINT 10124-C W. BROAD ST, GLEN ALLEN, VA 23060 EDUCATION 2/14/2012 42 © Copyright this and previous years by Data Blueprint - all rights reserved!
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Primary Deliverables become Reference Material #dataed from The DAMA Guide to the Data Management Body of Knowledge © 2009 by DAMA International PRODUCED BY CLASSIFICATION DATE SLIDE DATA BLUEPRINT 10124-C W. BROAD ST, GLEN ALLEN, VA 23060 EDUCATION 2/14/2012 43 © Copyright this and previous years by Data Blueprint - all rights reserved!
44.
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Data Modeling/Dev. Roles & Responsibilities Suppliers: Consumers: • Data Stewards and SMEs • Data Producers • IT Steering committee • Knowledge Workers • Data Governance Council • Managers and Executives • Data Architects and Analysts • Customers • Software Developers • Data Professionals • Data Producers • Other IT Professionals • Information Consumers Participants: • Data Stewards and SMEs • Data Architects and Analysts • Database Administrators • Data Model Administrators • Software Developers • Project Managers • DM Executives and other IT Management from The DAMA Guide to the Data Management Body of Knowledge © 2009 by DAMA International PRODUCED BY CLASSIFICATION DATE SLIDE DATA BLUEPRINT 10124-C W. BROAD ST, GLEN ALLEN, VA 23060 EDUCATION 2/14/2012 44 © Copyright this and previous years by Data Blueprint - all rights reserved!
45.
TITLE
Data Modeling/Development Technology Testing Tools Data Profiling Tools Data Modeling Tools Office Productivity Tools Model Management Tools Software Development Tools Database Management Systems Configuration Management Tools #dataed from The DAMA Guide to the Data Management Body of Knowledge © 2009 by DAMA International PRODUCED BY CLASSIFICATION DATE SLIDE DATA BLUEPRINT 10124-C W. BROAD ST, GLEN ALLEN, VA 23060 EDUCATION 2/14/2012 45 © Copyright this and previous years by Data Blueprint - all rights reserved!
46.
TITLE
Outline 1. Data Management Overview 2. What is Data Modeling? What is Data Development? 3. Why are they important and how do they compare? 4. Where do they fit in as data management components? 5. Data Modeling/Development Frameworks 6. Data/Information Architecture Building Blocks 7. Guiding Principles & Best Practices 8. Improving Data Modeling and Data Development within Your Organization: 7 Mistakes You Cannot Afford to Make Tweeting now: 9. Take Aways, References & Q&A #dataed PRODUCED BY CLASSIFICATION DATE SLIDE DATA BLUEPRINT 10124-C W. BROAD ST, GLEN ALLEN, VA 23060 EDUCATION 2/14/2012 46 © Copyright this and previous years by Data Blueprint - all rights reserved!
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TITLE
Guiding Principles 1. Data development activities are an integral part of the software development lifecycle (SDLC). 2. Data modeling is an essential technique for effective data management and system design. 3. Conceptual and logical data modeling express business and application requirements, while physical data modeling represents solution design. 4. Data modeling and database design balances tradeoffs and needs. 5. Data professionals should collaborate with other project team members to design information products and data access and integration interfaces. #dataed from The DAMA Guide to the Data Management Body of Knowledge © 2009 by DAMA International PRODUCED BY CLASSIFICATION DATE SLIDE DATA BLUEPRINT 10124-C W. BROAD ST, GLEN ALLEN, VA 23060 EDUCATION 2/14/2012 47 © Copyright this and previous years by Data Blueprint - all rights reserved!
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TITLE
Guiding Principles, cont’d 6. Data modeling and database design should follow documented standards 7. Design reviews should review all data models and designs, in order to ensure they meet business requirements and follow design standards. 6. Data models represent valuable knowledge resources (metadata). Carefully manage and control them through library, configuration, and change management to ensure data model quality and availability. 7. DBAs and other data professionals play important roles in the construction, testing, and deployment of databases and related application systems. #dataed from The DAMA Guide to the Data Management Body of Knowledge © 2009 by DAMA International PRODUCED BY CLASSIFICATION DATE SLIDE DATA BLUEPRINT 10124-C W. BROAD ST, GLEN ALLEN, VA 23060 EDUCATION 2/14/2012 48 © Copyright this and previous years by Data Blueprint - all rights reserved!
49.
TITLE
Outline 1. Data Management Overview 2. What is Data Modeling? What is Data Development? 3. Why are they important and how do they compare? 4. Where do they fit in as data management components? 5. Data Modeling/Development Frameworks 6. Data/Information Architecture Building Blocks 7. Guiding Principles & Best Practices 8. Improving Data Modeling and Data Development within Your Organization: 7 Mistakes You Cannot Afford to Make Tweeting now: 9. Take Aways, References & Q&A #dataed PRODUCED BY CLASSIFICATION DATE SLIDE DATA BLUEPRINT 10124-C W. BROAD ST, GLEN ALLEN, VA 23060 EDUCATION 2/14/2012 49 © Copyright this and previous years by Data Blueprint - all rights reserved!
50.
TITLE
7 Mistakes You Can’t Afford to Make Enterprise Data Modeling Source: Karen Lopez, InfoAdvisors; @datachick 1. Forgetting that an enterprise architecture is a living framework • Traceability is key to realizing the benefits of an enterprise data management program: Any team member should be able to trace a business concept from the logical model to the physical model to the physical implementation of that concept 2. Keeping data models invisible • In order to deliver business value, a data management effort must be accessible, understandable and shareable. • Models need to be available in an easily searchable manner. Source: Karen Lopez http://www.information-management.com/newsletters/enterprise_architecture_data_model_ERP_BI-10020246-1.html?pg=2 PRODUCED BY CLASSIFICATION DATE SLIDE DATA BLUEPRINT 10124-C W. BROAD ST, GLEN ALLEN, VA 23060 EDUCATION 2/14/2012 50 © Copyright this and previous years by Data Blueprint - all rights reserved!
51.
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7 Mistakes You Can’t Afford to Make 3. Assuming that business users can’t understand or review models • Business users need to be able to access and digest data models so they can make informed business decisions • It is key to give them data model viewing and reporting capabilities • Remember: business users who see models regularly are more likely to support the allocation of resources to future efforts 4. Thinking that data models are only about databases • Both logical and physical models support more than just databases • Allowing team members to import/export metadata contributes to a model-driven design environment and establishes integration of model metadata with other #dataed platforms Source: Karen Lopez http://www.information-management.com/newsletters/enterprise_architecture_data_model_ERP_BI-10020246-1.html?pg=2 PRODUCED BY CLASSIFICATION DATE SLIDE DATA BLUEPRINT 10124-C W. BROAD ST, GLEN ALLEN, VA 23060 EDUCATION 2/14/2012 51 © Copyright this and previous years by Data Blueprint - all rights reserved!
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7 Mistakes You Can’t Afford to Make, cont’d 5. Throwing models “over the wall” • A modeler is the mediator between business requirements and physical implementations • He/She should be involved in how requirements are captured as well as implemented 6. Forgetting about the sizzle • One of the main benefits of effective enterprise data management is better communication • Models should be interesting and the successful data modeler must never underestimate the value of sizzle • Presentations of models must be clear and understandable • Adding color and diagramming objects customizes models and allows for a more engaging and enjoyable user review process #dataed Source: Karen Lopez http://www.information-management.com/newsletters/enterprise_architecture_data_model_ERP_BI-10020246-1.html?pg=2 PRODUCED BY CLASSIFICATION DATE SLIDE DATA BLUEPRINT 10124-C W. BROAD ST, GLEN ALLEN, VA 23060 EDUCATION 2/14/2012 52 © Copyright this and previous years by Data Blueprint - all rights reserved!
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7 Mistakes You Can’t Afford to Make, cont’d 7. Thinking of them as “your” models • Most critical mistake is treating data models as if the modeler personally owns them • Models belong to the business and are tended to by the modelers. This means: • Share them openly • Provide access to those who want it • Keep extra printouts available • Offer training on how to read them • Make every effort to make them clear and understandable Treating models as technical specifications that are understood only by developers and DBAs will not provide the benefits of an enterprise architecture #dataed Source: Karen Lopez http://www.information-management.com/newsletters/enterprise_architecture_data_model_ERP_BI-10020246-1.html?pg=2 PRODUCED BY CLASSIFICATION DATE SLIDE DATA BLUEPRINT 10124-C W. BROAD ST, GLEN ALLEN, VA 23060 EDUCATION 2/14/2012 53 © Copyright this and previous years by Data Blueprint - all rights reserved!
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TITLE
Outline 1. Data Management Overview 2. What is Data Modeling? What is Data Development? 3. Why are they important and how do they compare? 4. Where do they fit in as data management components? 5. Data Modeling/Development Frameworks 6. Data/Information Architecture Building Blocks 7. Guiding Principles & Best Practices 8. Improving Data Modeling and Data Development within Your Organization: 7 Mistakes You Cannot Afford to Make Tweeting now: 9. Take Aways, References & Q&A #dataed PRODUCED BY CLASSIFICATION DATE SLIDE DATA BLUEPRINT 10124-C W. BROAD ST, GLEN ALLEN, VA 23060 EDUCATION 2/14/2012 54 © Copyright this and previous years by Data Blueprint - all rights reserved!
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TITLE
References PRODUCED BY CLASSIFICATION DATE SLIDE DATA BLUEPRINT 10124-C W. BROAD ST, GLEN ALLEN, VA 23060 EDUCATION 2/14/2012 55 © Copyright this and previous years by Data Blueprint - all rights reserved!
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References PRODUCED BY CLASSIFICATION DATE SLIDE DATA BLUEPRINT 10124-C W. BROAD ST, GLEN ALLEN, VA 23060 EDUCATION 2/14/2012 56 © Copyright this and previous years by Data Blueprint - all rights reserved!
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References PRODUCED BY CLASSIFICATION DATE SLIDE DATA BLUEPRINT 10124-C W. BROAD ST, GLEN ALLEN, VA 23060 EDUCATION 2/14/2012 57 © Copyright this and previous years by Data Blueprint - all rights reserved!
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Questions? + = It’s your turn! Use the chat feature or Twitter (#dataed) to submit your questions to Peter now. PRODUCED BY CLASSIFICATION DATE SLIDE DATA BLUEPRINT 10124-C W. BROAD ST, GLEN ALLEN, VA 23060 EDUCATION 2/14/2012 58 © Copyright this and previous years by Data Blueprint - all rights reserved!
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Upcoming Events April Webinar: Data Operations Management: Turning your Challenges Into Success April 10, 2012 @ 2:00 PM ET/11:00 AM PT May Webinar: How Safe is Your Data? Data Security Webinar May 15, 2012 @ 2:00 PM ET/11:00 AM PT Sign up here: • www.datablueprint.com/webinar-schedule • www.Dataversity.net Brought to you by: PRODUCED BY CLASSIFICATION DATE SLIDE DATA BLUEPRINT 10124-C W. BROAD ST, GLEN ALLEN, VA 23060 EDUCATION 2/14/2012 59 © Copyright this and previous years by Data Blueprint - all rights reserved!
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