- Express Edition
- Standard Edition One
- Standard Edition
- Enterprise Edition
Express Edition :
- Entry level database based on Oracle
- Free to develop, deploy and distribute
- 1 CPU limit
Standard Edition One :
- Full featured database which suits for small-to-medium business
- 2 CPU limit.
- Reasonable price. 149$/user with 5 users minimum.
- Full featured database for small-to-medium business.
- Mostly address performance, availability, scalability and security
- 4 CPU limit.
- Full featured database for enterprise class business
- No limitation in CPU.
- Suitable for transaction processing, BI and content management applications.
For details, refer to http://www.oracle.com/database/product_editions.html