Logical/Implementation
in products
uFew product architectures (even ones with an expressed “business-rules based” philosophy) embrace this idea. 
uMost products ignore this idea entirely and straddle the fence. 
ØJDeveloper
ØILOG
ØFair Isaac’s Blaze Advisor
ØCode generators
uTools that cater explicitly to the system architect separate loosely coupled logical and physical 
ØOracle Designer
ØIBM’s Rational Rose