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Oracle Data Modeling and Relational Database Design


Oracle Data Modeling and Relational Database Design


This course teaches you the Data Modeling and Database Development process, along with the models used at each phase of the lifecycle. You'll use several real life examples to document business requirements, the flow of information through a particular process and which data needs to be captured to accomplish the business rules.



Learn To:



Create an Entity Relationship Diagram (ERD) and a Data Flow Diagram (DFD).

Use techniques to revise and enhance your ERD.

Normalize the model.

Add recursive and exclusive relationships.

Identify entity hierarchies (subtypes/supertypes) and define and use User Defined Data Types (Data Types Model).

Map the objects and engineer the logical model to a relational model.

Participate in Hands-On Workshops



This course is designed to be workshop based. You'll take part in many group discussions to develop the models. The SQL Developer Data Modeler tool is then used to document the results of what is discussed.



Relational Design



The Relational Design is then optimized using many de-normalization techniques. Additional objects like indexes and views to the Physical Design are also added.



Creating Database Objects



Once the Relational Design has been validated, you'll learn how the Physical Model can be used to add all physical properties. Finally, see how the DDL is generated to create the database objects.



Course Objectives



Create an Entity Relationship Diagram by identifying entities, attributes, relationships and constraints from a set of requirements

Normalize the Entity Relationship Diagram to third Normal form

Enhance the Entity Relationship Diagram to utilize many data modeling techniques

Create a Data Flow Diagram by identifying processes, external agents, information stores and information flows that show how the information flows and how it is being transformed

Engineer the Entity Relationship Model into an initial relational database design

Optimize the Relational Database Design

Complete the Physical Model and generate the DDL

Use Oracle SQL Developer Data Modeler to document all the concepts learned throughout the course



Course Topics



Introduction to Modeling



List the reasons why modeling is important

Describe the phases of the Database and Application Development Lifecycle

Identify which modeling approach to use for a given situation



Document the Business Background



Define and identify business objectives, assumptions, critical success factors, key performance indicators and problems

Establish Business Direction Objectives



Build a Process Model (Data Flow Diagram)



List the reasons why process modeling is useful

Describe the components of a Data Flow Diagram

Build a Data Flow Diagram



Use SQL Developer Data Modeler to Create Your Data Flow Diagram



Load and set the default options for Oracle SQL Developer Data Modeler

Build a Data Flow Diagram using Oracle SQL Developer Data Modeler

Edit the Layout of your Data Flow Diagram



Validate Your Data Flow Diagram



Validate a DFD based on set of DFD Rules

Identify different types of processes

Decompose Processes into Primitive Processes



Identify Entities and Attributes



Identify and Diagram Entities

Identify and Diagram Attributes

 

Identify Relationships



Create a relationship between two entities

Model relationships using a relationship matrix



Assign Unique Identifiers



Identify unique identifiers for entities and relationships



Use Oracle SQL Developer Data Modeler to Create an Entity Relationship Diagram

Examine the General Options for Logical Data Modeling

Build an ERD in Oracle SQL Developer Data Modeler

Edit the Layout of your ERD

Create a Subview and Display

Validate Your Entity Relationship Diagram

Apply Diagram Layout and Attribute Rules

Distinguish Entities from Attributes

Evaluate Attribute Optionality

Define Naming Standards, Glossary and Abbreviations

Supplement the ERD with Useful Information

Normalize Your Data Model

Normalize your ERD to third normal form

Validate Relationships

Resolve M:M Relationships

Model Hierarchical Data

Examine Recursive Relationships

Model Exclusive Relationships

Model Entity Type Hierarchies

Model Data Over Time

Add and Use Data Types

Create different types of data types

Build a Data Type model

Analyze various relationships between structured types on your data type model

Assign data types to the attributes in your logical data model

Put It All Together

Build an ERD from a Case Study

Map Your Entity Relationship Diagram to a Relational Database Design

Describe why a database design is needed

Decide on naming conventions and rules

Perform a mapping between a logical and relational model

Utilize the SQL Developer Data Modeler facility

Analyze your Relational Model

Modify each Tables properties according to requirements

Determine when to create an Index or View

Denormalize Your Design to Increase Performance

Recognize when denormalization techniques can be used in your relational model

Define Your Physical Model

Create objects in a physical model

Refine relational model objects in the physical model

Generate Your Database

Generate DDL for your Database

Alter an Existing Design

Import from the Data Dictionary

Reverse Engineering to Create the Logical Model

Compare and Merge models

Export your model

Analyze your Model by running Data Modeler Reports

Create a Multidimensional Model

Describe each multidimensional object

Import a Model with Dimensions

Generate a Multidimensional Model

Review and Modify the Relational Model

Export the Multidimensional Model to an Oracle AW



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