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Dec 9, 2023 · Pessimistic locking is a concurrency control mechanism that operates under the premise that data conflicts or inconsistencies are probable when multiple users or processes access the same resource ...
PESSIMISTIC的意思、解釋及翻譯：1. thinking that bad things are more likely to happen or emphasizing the bad part of a situation…。了解更多。
PESSIMISTIC - Synonyms, related words and examples | Cambridge English Thesaurus
PESSIMISTIC translate: pesimista, pesimista [masculine-feminine, singular]. Learn more in the Cambridge English-Spanish Dictionary.
pessimism (about/over something) a feeling that bad things will happen and that something will not be successful There is a mood of pessimism in the company about future job prospects.
Sep 8, 2021 · The words optimism and pessimism are first recorded in the 1700s. Optimism ultimately comes from the Latin optimus, which means “best” and is the superlative form of the Latin bonus, meaning “good.”. The word pessimism was modeled on optimism and is from the Latin pessimus, meaning “worst,” a superlative form of malus, meaning ...
Sep 25, 2008 · Pessimistic locking means exclusive lock is used when reading a row so lost update or write skew is prevented. So, use pessimistic locking: If lost update or write skew occurs. Or if there are some problems if lost update or write skew occurs. In MySQL and PostgreSQL, you can use exclusive lock with SELECT FOR UPDATE.
