Consistency guarantees that either all the operations in this single unit (or transaction) are performed successfully, or none of them is performed.
一致性保证此单个单元(或事务)中的所有操作要么都成功执行，要么都不执行。
Consistency means that the transaction represents a correct transformation of the application state — that any integrity constraints implicit in the application are not violated by the transaction.
一致性意味着事务代表应用程序状态的正确转换——即事务不能违反应用程序中固有的任何完整性限制。
As you saw in the first article of this series, many common transaction pitfalls can affect transactional behavior and, consequently, diminish your data's integrity and consistency.
如本系列的第一篇文章所述，许多常见的事务陷阱都会影响到事务行为，并且由此会降低数据的完整性和一致性。
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