What is an intent lock? Why are intent locks used on items of coarse granularity?

Oracle 12c: SQL
3rd Edition
ISBN:9781305251038
Author:Joan Casteel
Publisher:Joan Casteel
Chapter5: Data Manipulation And Transaction Control
Section: Chapter Questions
Problem 4RQ
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What is an intent lock? Why are intent locks used on items of coarse

granularity?

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