Prove that any query in tuple relational calculus has an equivalent query in domain relational calculus, and vice versa.
What will be an ideal response?
Here we only show the transformation from TRC to DRC and back. A rigorous proofs of the fact that these are equivalence transformations are long and tedious because of the need to test all cases during the structural induction on the form of the queries.
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Which of the following uses a ring topology?
A) DSL B) Ethernet C) DOCSIS D) SONET
The HTML5 figure element is usually accompanied by a figure widget?, used as text that describes the figure. _________________________
Answer the following statement true (T) or false (F)
Explain what happens when you select an object that has effects applied to it, and then you click the Reduce to Basic Appearance menu command on the Appearance panel.
What will be an ideal response?
Illustrator is delivered with non-process color inks.
Answer the following statement true (T) or false (F)