Assume that transactions are executed at REPEATABLE READ. Give an example in which a phantom occurs when a transaction executes a DELETE statement to delete a set of tuples satisfying some predicate, P.
What will be an ideal response?
After the DELETE statement is executed, a concurrent transaction inserts a newtuple
that satisfies P.
Computer Science & Information Technology
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In the C++ statement pay = rate * hours; the * symbol is an example of
A) an operator. B) an operand. C) a variable separator. D) syntax. E) none of the above.
Computer Science & Information Technology
To maximize the contrast and tonal range of this image, what changes of the sliders should be made? Show the new positions of the sliders in the histogram provided in Figure 3.42.
Computer Science & Information Technology