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stub for binary operations

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git-svn-id: http://galileo.dmi.unict.it/svn/relational/trunk@119 014f5005-505e-4b48-8d0a-63407b615a7c
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LtWorf 2009-04-01 13:40:21 +00:00
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complexity
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@ -72,3 +72,25 @@ Notation
the new tuple was already added to the new relation. And this brings
the complexity to O((|n|*f)²).
2. BINARY OPERATORS
Relational defines nine binary operations, and they will be studied
in this section.
2.1 Product
2.2 Intersection
2.3 Difference
2.4 Union
2.5 Thetajoin
2.6 Outher
2.7 Outher_left
2.8 Outher_right
2.9 Join