Development Processes
Development support processes only happen during the system/application development phase. They are executed iteratively for each system/application developped.
Logical Data Model Review
- Allocation of subject areas to individuals
- Detect and correct mistakes
- Review completeness
- Review Entities
- Review Attributes
- Review Relations
- Review Domains
- Review Integrity
- Review Time-factor
Star/Snowflake Model Review (for data warehousing)
- Review dimensions
- Review facts
- Review datatypes
- Review volumes
- Review aggregates built on Star Model
Creation Physical Data Model
- Define naming standards
- Denormalise where necessary
- Creation/generation physical data model
- Creation/generation DDL
Creation Database Objects
- Calculate necessary diskspace
- Create Tables
- Create Indices
- Create Referential contraints
- Create Check constraints, defaults
- Create Referential constraint triggers/procedures
- Create Null constraints
Load Data (OLTP)
- Management of initial data (e.g. data of reference tables) not the source of the data
- Determine sequence of data load procedures
- Create of load procedures
- Execute load procedures
Change Management
- Coordination with application releases
- Changes are executed immediately in development. (evt. ERWin )
- Changes (DML-DDL) are managed through the change management cycle.
- Changes are executed by application release in test, acceptance and production