A ____ contains fields of information about a single entity in the database.
A. character
B. database
C. field
D. record
Answer: D
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Consider a distributed transaction processing system that uses a serial validation optimistic concurrency control at each site and a two-phase commit protocol. Show that deadlocks are possible under these conditions.
What will be an ideal response?
In the accompanying figure, the iCal program is open. Item 1 points to the ____.
A. program window B. vertical scroller C. vertical scroll bar D. dialog box
What is one risk of allowing employees to bring their own mobile devices into work and use them on the corporate network?
A) Operating system updates might not load. B) Antimalware and antivirus protection cannot be implemented. C) Malware could be introduced onto the network. D) File and folder sharing cannot be used.
Which of the following is a legal identifier?
A. program! B. program_1 C. 1program D. program 1