A Dirty Read Happens When One Transaction Reads a Changed

question 22

True/False

A dirty read happens when one transaction reads a changed record that has not been committed to the database.

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Definitions:

Accumulated Value

The number of elapsed timed intervals or counted events.

Counter

An electromechanical device in relay-based control systems that counts numbers of events for the purpose of controlling other devices based on the current number of counts recorded; a programmable logic controller instruction that performs the functions of its electromechanical counterpart.

True

A statement or condition that is accurate, factual, or in accordance with reality.

Thumbwheel Switch

"A rotating switch used to input numeric information into a controller."