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MA-2012

Data Modeling Workshop

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Description

The methodologies discussed are applicable to any relational database environment, including IBM DB2, the Oracle database, Microsoft SQL Server, the open-source MySQL and PostgreSQL databases as well as other RDBMS platforms. They are also applicable to other database technologies, such as object databases and legacy IMS and IDMS databases. Finally, while we use the free Oracle SQL Developer Data Modeler product as a demonstration modeling tool, one can complete the exercises of this course and apply the techniques learned using any other popular data model diagramming tool, such as IBM InfoSphere Data Architect, CA ErWin Data Modeler, Embarcadero ER/Studio and others.

Objectives 

In the workshop exercises you will build an increasingly complex series of data models, and will critique and correct other models. A summary of the detailed objectives of this textbook are:

• A review of model-based design, including process modeling, physical data modeling and other modeling techniques which relate to logical data modeling.
• A comparison of data modeling concepts and theories, including top-down data modeling, bottom-up data modeling, data normalization, object-oriented and semantic modeling.
• Hints, tips and guidelines in identifying entities, attributes and relationships which should appear within a data model.
• Review the popular commercial data modeling tools commonly in use today.
• The benefits of building a conceptual data model in advance of the logical model.
• Learn to find and fix well-known mistakes which can exist in relationship definitions, finding missing attributes and correcting erroneous attribute definitions.
• Review a recommended strategy for unique identifiers.
• Using semantic modeling constructs and techniques such as supertypes, subtypes, generalization, specialization, constraints, lattices and arcs.
• Using object-oriented modeling techniques such as domains, attribute classes, extended types and abstraction of attributes.
• Time-dependency and state-dependency within a data model.
• Explore classic structures and modeling patterns, including many-to-many recursion.
• Steps and available options for engineering a physical data model from a logical model.
• Reverse engineering and forward engineering of a physical data model into an implementation relational database. 

Outline

Module 1: Data Modeling Theory & Concepts

  • About Model-Based Design
  • About Data Modeling
  • About Data Model Diagrams
  • Advanced Modeling Methodologies

 Module 2: Building an Initial Data Model

  • Principles of Data Modeling
  • Building the Model
  • Identifying Entities
  • Identifying Attributes
  • Identifying Relationships
  • A Simple Modeling Scenario

 Module 3: Drawing a Model Using Software Engineering Tools

  • About Data Modeling Tools
  • Drawing A Data Model Diagram

 Module 4: Increasing the Accuracy of the Model

  • Starting With A Conceptual Model
  • Supplementing the Requirements
  • Refining the Relationship Definitions

 Module 5: Finding & Fixing Attribute Mistakes

  • Capturing Missing Attribute Details
  • Character
  • Numeric
  • Date
  • Correcting Attribute Definitions
  • Unique Identifiers
  • Unit of Measure Attributes

 Module 6: Semantic & Object-Oriented Modeling of Entities & Relationships

  • Defining Supertypes & Subtypes
  • Entity Name Problems
  • Naming Standards
  • Specialization & Generalization
  • Subtype Constraints
  • Defining Relationship Arcs

Module 7: Semantic & Object-Oriented Modeling of Domains & Types

  • Defining Domains
  • Defining Types
  • Collection Types

Module 8: Time-Dependency & State-Dependency

  • About Time & State
  • Time-Dependent Sub-Model
  • Person / Individual Roles Sub-Model

Module 9: Classic Structures & Patterns

  • Master-Detail-Detail
  • M:N Recursion (Bill-Of-Materials)
  • Organization Unit Hierarchy
  • Entity Locations
  • Entity Contacts

Module 10: Logical / Physical Model Transformation

  • About Physical Data Models
  • Physical Relational Transformation
  • Model Transformation Example
  • Automatic Transformation
  • Supertype Transformation

 Module 11: RDBMS Implementation of the Physical Model

  • Reverse Engineer A Physical Model
  • About the Relational Database
  • Relational Database Objects
  • Forward Engineer A Physical Model

PreRequisites

No mandatory prerequisites exist for this course. However a basic knowledge of computer systems, business systems requirements and database technologies is helpful.

Audience

 The primary target audiences for this course are:

  • Business analysts
  • Data modelers, data analysts and data architects
  • Senior application designers and developers
  • Database administrators
$1495.00 List Price

3 Days Course

Class Dates

Request a Date or a Private Class below.


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