Give an example of a schedule of two transactions in which a two-phase locking concurrency control causes one of the transactions to wait but a SNAPSHOT isolation control aborts one of the transactions.
What will be an ideal response?
The schedule as handled by a two-phase locking concurrency control:
r1(x) w1(x) r2(y) Request[w2(x)] commit1 Execute[w2(x)] commit2
The schedule as handled by a SNAPSHOT isolation control:
r1(x) w1(x) r2(y) w2(x) commit1 Request[commit2] abort2
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Write a C++ program that uses the statements in Exercise 3.7 to calculate x raised to the y power. The program should have a while repetition statement.
What will be an ideal response?
What tool helps you detect and remove private or confidential information from a document?
A. Document Inspector B. Protect Document C. Privacy Inspector D. Prepare Document
WPA and WPA2 can implement enterprise mode authentication, where the access point passes authentication information to a _____ for validation.
A. Remote Authentication Dial-In User Service B. Circumference C. Remote Access Server D. One ring to control them all
The New Adjustment Layer command is located on the Layer menu.
Answer the following statement true (T) or false (F)