(short for Bi-Directional Replication) is a PostgreSQL extension which provides a solution for building multi-master clusters with mesh topology. This means that you can write to any server and the changes will be sent row-by-row to all the other servers that are part of the same BDR ...
For updates and deletes to replicate on other nodes, we must be able to identify the unique rows affected. BDR requires that a table have either a PRIMARY KEY defined, a UNIQUE constraint, or an explicit REPLICA IDENTITY defined on specific columns. If one of those isn't defined, a warni...
Always On架构:EDB PostgreSQL的Always On架构是一套高度标准化、经过验证和可靠的Postgres架构,用于在本地或公共云中实现高达99.999%的数据库可用性。 双向复制(BDR):协调分布式集群,包括事务复制、持久性、节点管理等。 PGD-Proxy代理:提供一个连接路由器,确保应用程序连接到正确的PGD节点。 EDB PostgreSQL高可用架构的...
PGD is compatible with [PostgreSQL](https://www.postgresql.org/), [EDB Postgres Extended Server](https://techsupport.enterprisedb.com/customer_portal/sw/2ndqpostgres/), and [EDB Postgres Advanced Server](/epas/latest) and is deployed as a standard Postgres extension named BDR. See [Compatibili...
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郑成功的父亲郑芝龙是一个海商,确切地说,是海上走私集团的头目。 郑芝龙一生共娶了5位妻子,他的第二任妻子比较特殊,是一位日本人,名叫田川氏,她是郑芝龙到日本做贸易时认识的。 由于日本当局当时对郑芝龙比较重视,不仅在日本为他安排了住所,还对他进行了诸多封赏,而迎娶田川氏自然也是他们拉拢郑芝龙的一项举措。
国内慢性鼻窦炎伴鼻息肉适应症生物药研发进展(仅统计国内临床试验进展II期及以上阶段的药物),数据源于康诺亚-港股公司深度报告:深耕自免&肿瘤IL~4R商业化领先-241226(28页).pdf。
Paloutzian and Park assert that the psychology of religion must restrict its methods to certain rules and boundaries, but they do not address the acknowled... BDRJS Slife - 《Psychology of Religion & Spirituality》 被引量: 0发表: 2021年 加载更多研究...