Slide 43 of 52
Notes:
One copy of Developer is obligatory in any Gothic application development installation..
- Application design is object focused
- 3 levels of schema design:
- Conceptual - describes the data to be modelled without regard to any descriptive limitations of the database implementation.
- Logical - the conceptual schema re-cast into the constructs of the target database.
- Physical - the physical schema determines how the logical schema is implemented in reality. For example on which disk should a relational table reside.