Prove that if all sites use optimistic concurrency controls and if a two-phase commit protocol is used, distributed transactions are globally serializable.

What will be an ideal response?


The argument is the same as that used to demonstrate global serializability when each site uses a strict two-phase locking protocol.

Computer Science & Information Technology

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Which IE tab enables you to configure the web page that opens when the browser application starts?

A) Connections B) Programs C) General D) Content

Computer Science & Information Technology

The process of listing records or text in a specific sequence, such as alphabetically by last name.

What will be an ideal response?

Computer Science & Information Technology

Which of the following is not a calendar control?

A. AnalogClock B. Chronometer C. DigitalClock D. ScheduledClock

Computer Science & Information Technology

Parentheses have higher precedence than the ____.

A. ++operator B. --operator C. *and/operators D. object access operator (.)

Computer Science & Information Technology