Q
In a materialized view, what does a FAST refresh use?
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A
Materialized view logs to apply only changes
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B
A full re-run of the defining query
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C
The recycle bin
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D
Flashback logs
Correct Answer:
A. Materialized view logs to apply only changes
Explanation:
COMPLETE refresh re-executes the query; FAST applies changes recorded in MV logs.