Tag - Data Modeling Online course material

Data Model Defined
What Is a Data Model?
Why Data Modeling?
Who Performs Data Modeling?
Conceptual Data Modeling
Data Model Components
Data Modeling Steps
Data Model Quality
Significance of Data Model Quality
Data Model Characteristics
Ensuring Data Model Quality
Data System Development
Data System Development Life Cycle
Roles and Responsibilities
Modeling the Information Requirements
Applying Agile Modeling Principles
Data Modeling Approaches and Trends
Data Modeling Approaches
Modeling for Data Warehouse
Data Modeling Approaches
Semantic Modeling
Relational Modeling
Entity-Relationship Modeling
Methods and Techniques
Anatomy of a Data Model
Data Model Composition
Models at Different Levels
Conceptual Model: Review Procedure
Conceptual Model: Identifying Components
Creation of Models
Entity Types
Specialization Generalization
Relationships
Attributes
Identifiers
Review of the Model Diagram
Logical Model: Overview
Model Components
Transformation Steps
Relational Model
Physical Model: Overview
Model Components
Transformation Steps
Entity Types or Object Sets
Comprehensive Definition
Identifying Entity Types
Generalization and Specialization
Why Generalize or Specialize?
Supertypes and Subtypes
Generalization Hierarchy
Recursive Structures
Conceptual and Physical
Modeling Time Dimension
Categorization
Entity Validation Checklist
Completeness
Correctness
Attributes
Properties or Characteristics
Attributes as Data
Attribute Values
Names and Descriptions
Attribute Domains
Definition of a Domain
Domain Information
Attribute Values and Domains
Value Set
Range
Type
Null Values
Types of Attributes
Single-Valued and Multivalued Attributes
Simple and Composite Attributes
Attributes with Stored and Derived Values
Identifiers or Keys
Need for Identifiers
Definitions of Keys
Relationships
Associations
Relationship: Two-Sided
Relationship Sets
Double Relationships
Relationship Attributes
Degree of Relationships
Unary Relationship
Binary Relationship
Ternary Relationship
Quaternary Relationship
Structural Constraints
Cardinality Constraint
Participation Constraint
Dependencies
Entity Existence
Relationship Types
Identifying Relationship
Nonidentifying Relationship
Maximum and Minimum Cardinalities
Mandatory Conditions: Both Ends
Optional Condition: One End
Optional Condition: Other End
Optional Conditions: Both Ends
Special Cases
Gerund
Aggregation
Access Pathways
Design Issues
Relationship or Entity Type?
Ternary Relationship or Aggregation?
Binary or N-ary Relationship?
One-to-One Relationships
One-to-Many Relationships
Circular Structures
Redundant Relationships
Multiple Relationships
Relationship Validation Checklist
Completeness
Correctness
Informal Design
Forming Relations from Requirements
Potential Problems
Update Anomaly
Deletion Anomaly
Addition Anomaly
Normalization Methodology
Strengths of the Method
Application of the Method
Normalization Steps
Fundamental Normal Forms
First Normal Form
Second Normal Form
Third Normal Form
Boyce-Codd Normal Form
Higher Normal Forms
Fourth Normal Form
Fifth Normal Form
Domain-Key Normal Form
Normalization Summary
Review of the Steps
Normalization as Verification
Decision-Support Systems
Need for Strategic Information
History of Decision-Support Systems
Operational Versus Informational Systems
System Types and Modeling Methods
Data Warehouse
Data Warehouse Defined
Major Components
Data Warehousing Applications
Modeling: Special Requirements
Dimensional Modeling
Dimensional Modeling Basics
STAR Schema
Snowflake Schema
Families of STARS
Transition to Logical Model
OLAP Systems
Features and Functions of OLAP
Dimensional Analysis
Hypercubes
OLAP Implementation Approaches
Data Modeling for OLAP
Data Mining Systems
Basic Concepts
Data Mining Techniques
Data Preparation and Modeling
Data Preprocessing
Data Modeling