Course Objectives
This course is one common starting point for the entire Sideris database curriculum. The objective of this course is to consider the logical design of relational databases using a methodology known as semantic data modeling and related practical techniques. Major subject areas to be explored are:
- Building a logical data model of increasing complexity and accuracy
- Transforming a logical model into a physical model for a relational database
- Using object oriented and semantic modeling techniques to refine a model
- Identifying classic structures and patterns which may be reused among many different models.
- Learn about star schemas, snowflake schemas and data warehouse models
- Introduce the use of a data model diagramming tool and CASE tools
- Consider the physical objects of a relational database and how they implement a logical model.
This same course is also known by the name ORACLE10g DESIGNER DATA MODELING
Prerequisites
No specific prerequisites are mandatory for this course.
Target Student:
The target audience for this course is all database professionals concerned about the design and implementation of databases. Among the specific groups for whom this course will be helpful are:
- Business analysts
- Data modelers, data analysts and data architects
- Senior application designers and developers
- Database administrators
Instructor Notes
The objective of this course is to convey the theory and concepts of data modeling and relational database design. As such, it should be taught independent of any specific technology. While this text will use the Oracle Designer product as an example of a CASE tool and data modeling notation, and it will also use the Oracle database as an example of a relational database, these are examples only. The concepts should be taught in such a manner as to be equally applicable to other common CASE tools and relational databases available today.
This course is lecture only and the workshops are performed without the need of an online system for the students or the instructor. However, if the instructor has access to a CASE tool and a database then it can be helpful to demonstrate those products at appropriate points within throughout the course. The following product combinations are recommended:
- Oracle Designer and the Oracle database
- CA ErWin and MS SQL Server
- Any other properly configured CASE tool and relational database manager
Course duration
2 or 3 days
Course outline
ABOUT DATA MODELING & RELATIONAL DATABASE DESIGN
- WHAT IS DATA MODELING?
- ABOUT SYSTEM DESIGN METHODOLOGIES
- MORE ABOUT CASE TOOLS
BUILDING A SIMPLE DATA MODEL
- IDENTIFYING ENTITIES
- IDENTIFYING ATTRIBUTES
- A SIMPLE MODELING SCENARIO
- IDENTIFYING RELATIONSHIPS
- A SIMPLE DATA MODEL SOLUTION
ACHIEVING A MORE ACCURATE MODEL
- SUPPLEMENTING THE REQUIREMENTS SPECIFICATION
- REFINING THE ATTRIBUTE DEFINITIONS
- REFINING THE RELATIONSHIP DEFINITIONS
TRANSFORM DATA MODEL INTO APPLICATION DATABASE MODEL
- ABOUT APPLICATION DATABASE MODELS
- TRANSFORMATION TO RELATIONAL MODEL
SEMANTIC & OBJECT ORIENTED MODELING
- DEFINING DOMAINS
- DEFINING SUPERTYPES & SUBTYPES
- DEFINING ARCS
- DEFINING LATTICES
CLASSIC STRUCTURES & PATTERNS
- BASIC CLASSIC STRUCTURES
- ADVANCED CLASSIC STRUCTURES
DATA MODEL IMPLEMENTATION USING RELATIONAL DATABASES
- RELATIONAL IMPLEMENTATION
- ELECTRONICS Database Logical Model
- ELECTRONICS Database Physical Model
- SUPERTYPE & ARC TRANSFORMATION OPTIONS
- MORE ABOUT A RELATIONAL DATABASE
- RELATIONAL DATABASE OBJECTS
- SQL DDL
DATA WAREHOUSE MODELS
- WHAT IS A DATA WAREHOUSE?
- ABOUT WAREHOUSE MODELS & TERMINOLOGY
- STAR SCHEMA MODEL
- SNOWFLAKE SCHEMA MODEL
- CONTRAST OLTP & WAREHOUSE DATABASES
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