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今天打开虚拟机启动数据库时遇到ora-742,原因重做日志读时发现写保护丢失,现象重做日志不能归档查看错误解释 [qdtais1]@ht19c01[/home/oracle]$oerr ora 742 00742, 00000, "Log read detects lost write in thr 阅读全文
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select a.object_id, b.object_type from yz.t1 a left join yz.t5 b on a.object_type = b.object_type where (a.object_id = 919 or a.object_id1 = 919) and 阅读全文
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第一种 UPDATE yz.T1 a SET a.object_name = (select b.object_name from yz.t2 b where a.object_id = b.object_id) WHERE EXISTS (SELECT 1 FROM yz.t2 b WHERE b 阅读全文
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某客户节点2本地磁盘损坏,节点1oracle数据库正常对外提供服务,更换磁盘之后需要重新把节点2加入集群。 参考mos How to Add Node/Instance or Remove Node/Instance with Oracle Clusterware and RAC (DocID 13 阅读全文