PPT Slide
- Relational DBMS era: 1980's, early 1990's.
- Significantly raised the levels of abstraction & productivity
- Only "real" parallel computing success story to date, too!
- Object DBMS era: Should have been early 1990's...
- Never made it out of the (mainstream) starting gate
- Object-relational DBMS era: You are there!
- Object enhancements to relational DBMSs
- ADTs (white box, black box) and functions
- Row types with inheritance, references, sets, ...
- Vastly reduces the "impedence mismatch" w/OOPLs
- Today's OO wrappers are an interim solution
- Possibilities abound for nice OO/OR tools
- Will have OR middleware as well as engines