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Logical vs physical clock optimistic locking

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justin cater

Posts: 19616
Nickname: justin78
Registered: Mar, 2011

Justin Cater is executive editor at Java Code Geeks
Logical vs physical clock optimistic locking Posted: Oct 6, 2014 8:14 PM
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Introduction In my previous post I demonstrated why optimistic locking is the only viable solution for application-level transactions. Optimistic locking requires a version column that can be represented as: a physical clock (a timestamp value taken from the system clock) a logical clock (an incrementing numeric value) This article will demonstrate why logical clocks are […]

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