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Data Modeling - Coggle Diagram
Data Modeling
Sec 3
Class and Attributes
Class tbl name
Attributes - Columns
Operations
Functions - Third item
Domain
Map attributes to domain
data types of domain assigned to attri
IE Entity Physical DM
Types
Independent no fk
Sec1
New DB
Conceptual design
datamodel ---> database deisign ---> DB
Datamodel patterns
DB?
Permanent
Self descriptive
DBMS ADV
Data integrity
Crash recovery
Data security
General purpose lang
RDBMS
Links key primary and foreign
Data model
Quality
To reduce cost
Simplifies tuning
Communication
Sec 2
Data Models input & output
input
Business doc
User interview
Technical reviews
Related applicaions
Output
Models
Architecture
Explanation
Db struct
Programming code
Notations
UML Unified Modeling Language
IE Information engineering
Tools to download
Erwin
Enterprise architect
UML vs IE
First UML design
Second IE design
Conceptual data model
Logical DM
Physical DM