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PostgreSQL数据闪回工具Pg_Dirtyread使用实践
pg_dirtyread 是一个 PostgreSQL 扩展,它利用了 PostgreSQL 的多版本并发控制(MVCC)机制来读取未提交的事务所影响的数据。此插件可以用于在开发和测试环境中快速查看事务对数据的即时影响,当关键表中的数据被意外删除后,业务系统可能会出现服务中断、数据 ...
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