The design of spatial database will be made by the database manager who is responsible for the following issues.
- definition of database contents
- selection of database structure
- data distribution to users
- mainteneance and updating control
- day-to-day operation
For the design of detail items, the following parameters should be well designed.
storage media
Volume, access speed and on line service should be considered. Table 4.1 shows the different types of storage media
partition of data
Choice of administrative boundaries, map sheets, watersheds etc. will be made in consideration of GIS applications (see Figure 4.2)
standards
Format, accuracy and quality should be standardized.
change and updating
Add, delete, edit and update should be well controlled by the database manager.
scheduling
Data availability, priorities, data acquisition etc. should be well scheduled.
security
Copyright, back up system and responsibilities should be well managed.