“Undocumented Express” Tips by William G. Brown
It's only now available (so I believe) through a Google cached copy, but William G. Brown's "Undocumented Express" paper contains a number of good Oracle Express tips in nine categories:
- MCALC
- Worksheets
- Time dimensions
- TCONVERT
- Capstones
- XCA
- Faster SQL-based loaders
- Custom functions
- Conjoints
Check it out whilst it's still available...