TP System Infrastructure
User’s viewpoint
- Enter a request from a browser or other display device
- The system performs some application-specific work, which includes database accesses
- Receive a reply (usually, but not always)
The TP system ensures that each transaction
- is an independent unit of work
- executes exactly once, and
- produces permanent results.
TP system makes it easy to program transactions
TP system has tools to make it easy to manage