WINFS 的優勢：

WinFS's solution is two-fold: It "flattens" the storage of individual files (i.e. there
is no "hierarchy" based on directory and file names), and it enables searching
for items by their attributes. A picture's attributes would contain details like the
date the photograph was taken, who or what is in the picture, what camera
was used to take the picture, etc.

看起來是挺有效率的，不知實際應用結果如何..