When Two Transactions Are Being Processed Against the Database at the Same

question 93

Multiple Choice

When two transactions are being processed against the database at the same time ________.

• A)they are called concurrent transactions
• B)they are usually interleaved
• C)they always result in a lost update problem
• D)Both A and B are correct

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Definitions:

Pitch

A tone's perceived frequency.

Frequency

The rate at which something occurs or is repeated over a particular period of time or in a given sample.

Sound Wave

A wave of compression and rarefaction, by which sound is propagated in an elastic medium such as air.

Binocular Cues

Are visual information taken in by two eyes that enable a sense of depth perception, such as stereopsis, convergence, and disparity.