Clicking the Form button inserts a solid red outline around the form area.
Answer the following statement true (T) or false (F)
False
Computer Science & Information Technology
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What is the output of the following code?
int numbers[5]; for (int i = 1; i < 5; i++) numbers[i - 1] = i + 1; for (int i = 0; i < 3; i++) cout << numbers[i];
Computer Science & Information Technology
Jade has planned to open a new cosmetics shop.Before starting her business, she wishes to identify and analyze her potential customers. Jade can obtain the required information from _____ databases.
A. ?government B. ?marketing C. ?finance D. ?property
Computer Science & Information Technology
Use the schema R in the following questions:
R = (ABCDEFGH, {BE ? GH, G ? FA, D ? C, F ? B})
(a) What is a key of R?
(b) What is the attribute closure of GH ?
(c) Can there be a key that does not contain D? If such a key exists, give it; otherwise explain why it is not possible.
(d) Is the schema in BCNF? Give the reason for your answer.
(e) Use one cycle of the BCNF synthesis algorithm to decompose R into two sub-relations. For each sub-relation, explain whether or not it is in BCNF.
(f) Give the general condition that guarantees that a decomposition is lossless. Apply the condition to your decomposition to show whether or not it is lossless.
(g) Give the general condition that guarantees that a decomposition is dependency preserv- ing. Apply the condition to your decomposition to show whether or not it is dependency preserving.
(h) * Consider a schema (R, ), where R is a set of attributes and is a set of functional dependencies. Assume further that
Computer Science & Information Technology
Which of the following is an example of secure tunneling?
A. PPPoE B. SSL VPN C. PPP D. PAP
Computer Science & Information Technology