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APPLIES TO:Oracle Database - Enterprise Edition - Version 11.2.0.1.0 and laterInformation in this document applies to any platform.This issue is only applicable to RAC database.From 11gR2 onwards, the controlfile backup happens without holding the controlfile enqueue. For non-RAC database, t...

在安装OID的时候遇到奇怪的索引长度不足（ora-01450）的问题，仔细排查问题后发现seibel系统安装时将参数NLS_LENGTH_SEMANTICS 修改成了char，默认为byte。修改回来就ok了

在Oracle11.2.0.3 RAC上做数据导入时报错如下：Starting"SYS"."SYS_IMPORT_FULL_03": "/******** AS SYSDBA" directory=dump dumpfile=full.dmplogfile=impdp_full.log exclude=statistics table_exists_action=truncateparallel=8 full=y Processing object type DATABASE_EXPORT/TABLESPACEORA-31684: ...