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Day: September 24, 2020

南大通用GBase 8a数据库操作系统升级怎么处理?

Posted on 2020年9月24日2023年11月15日 by laozizhu

本文介绍,GBase 8a数据库集群,当操作系统需要升级时,比如从redhat 6升级到redhat 7,需要的步骤。

南大通用GBase 8a通过命令行客户端gccli连接报错ERROR 2002 (HY000): Can't connect to local GBase server through socket '/tmp/gcluster_5258.sock' (2)

Posted on 2020年9月24日2020年9月24日 by laozizhu
gccli 连接集群报错

本文介绍通过GBase 8a数据库集群命令行客户端gccli连接数据库时,报错RROR 2002 (HY000): Can't connect to local GBase server through socket '/tmp/gcluster_5258.sock' (2)的原因,一般都是数据库服务没有启动。

南大通用GBase 8a的如何拿到行号,rowid,类似oracle的rowid

Posted on 2020年9月24日2020年9月24日 by laozizhu

本文介绍GBase 8a数据库集群内部,对没一行数据的行号rowid的方案。如Oracle等数据库,提供了rowid来唯一标识一行数据,在GBase里也提供了rowid,但因为是MPP,所以在随机分布表里,每个节点是各自独立的,只有复制表才能保证一致性。

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