About us
Services
Products
Work
Contact
Feedback
In Focus
Flash XML slideshow
Database training
3.1.05. Aims
Attribute preservation
Union of all decomposed relations = original
Lossless/non-additive join
For every extension, total join of r(R
i
) yeilds r(R)
no spurious/erroneous tuples
‹ 3.1.03. Initial state
up
3.1.06. Aims (preservation) ›
s5 slideshow