#RAC

oracle 常用函数

一、单行函数1、字符函数1.1、concat(str1,str2)字符串拼接函数Selectconcat(‘hello’,’world’)fromdual;等价于Select‘hello’||‘world’fromdual;...
开发笔记 开发笔记·2024-04-19

如何修改RAC IP地址

问题RAC数据库只支持预安装发货,预安装服务器的默认IP地址请参见表1。根据网络实际情况如何修改RAC系统IP地址?回答(1)分别在主备机上执行如下步骤。以root管理员登录操作系统。修改业务网口bond0的物理IP地址。具体操作请参见如何修改Linux操作系统的主机名和IP地址?。修改host文件。说明:主备机hos...

Oracle数据库:ORA-01017: invalid username/password; logon denied

报错:ORA-01017:invalidusername/password;logondenied错误说明:用户名和密码无效,登录被拒绝。1<connectionStrings>2 <!--多个数据库,随机访问-->3 <addname="CamnprData...

Oracle数据库:如何使用Oracle ODP.NET 11g的.NET程序发布方法

ODP.NET11g是Oracle发布的供.NET程序访问Oracle数据库的ADO.NET组件,比微软自带的Oracle组件性能好,更可以访问UDT(UserDefinedType)类型,Procedure,REF等等高级Oracle特性。  .NET1.1的客户端需要的发布文件如下:  Oracle.DataAcc...

Oracle SqlLoader使用

最近在用sqlloader导入数据,500多M,开始要用40分钟,后来做到了20min,再后来只用不到2分钟。所用时间的不断减少,得益于很多网友的总结。数据文件为csv格式,默认打开软件为:excel,通过excel打开的csv文件日期和数字格式可能会发生变化,在写controlfile时要注意了,看原始格式请用文本编...
开发笔记 开发笔记·2023-08-10

ORA-28387: Could not acquire an enqueue for wallet operation in Oracle RAC

文档解释ORA-28387:CouldnotacquireanenqueueforwalletoperationinOracleRACCause:EnqueuetoblockTDEoperationsinOracleRACdatabasecouldnotbeobtained.Action:Retrythewalleto...

ORA-55628: Flashback Archive supports Oracle 11g or higher

文档解释ORA-55628:FlashbackArchivesupportsOracle11gorhigherCause:AnattemptwasmadetocreatedaFlashbackArchivewithincorrectcompatiblemodeorwithoutautoundomanagement.Ac...

ORA-28274: No ORACLE password attribute corresponding to user nickname exists.

文档解释ORA-28274:NoORACLEpasswordattributecorrespondingtousernicknameexists.Cause:LDAPuserentrycorrespondingtousernicknamedoesnothaveaORACLEpasswordattributeorthea...

ORA-56512: DRCP: Failed to synchronize RAC instances [string]

文档解释ORA-56512:DRCP:FailedtosynchronizeRACinstances[string]Cause:SomeoftheRACinstanceswerenotsynchronized.Action:Performthesameoperationsonallthefailedinstances....

ORA-28509: unable to establish a connection to non-Oracle system

文档解释ORA-28509:unabletoestablishaconnectiontonon-OraclesystemCause:Initializationofadatabaselinktoanon-OraclesystemfailedtoconnecttotheHeterogeneousServicesagent...

ORA-15458: invalid character in volume name

文档解释ORA-15458:invalidcharacterinvolumenameCause:Avolumenamewasspecifiedwithaninvalidcharacter.Action:Useavolumenamewithonlyalphanumericcharacters....

ORA-48912: The specified trace filename is too long

文档解释ORA-48912:ThespecifiedtracefilenameistoolongCause:TheresultingtracefilenamelengthexceedsthemaximumlengthAction:UseasmallertracefilenamesuffixormoveADRhigher...

ORA-28037: Cannot Get Session Key for RACF Authentication

文档解释ORA-28037:CannotGetSessionKeyforRACFAuthenticationCause:ClientandservercannotnegotiatesharedsecretduringlogonAction:Usershouldnotseethiserror.Pleasecontacty...

ORA-48411: The trace files exceeds the maximum number [string]

文档解释ORA-48411:Thetracefilesexceedsthemaximumnumber[string]Cause:TheinputtracefilepathnumberexceedsthemaximumnumberAction:InputlesstracefilepathORA-48411错误是由于存取数...

ORA-29372: identifier string is too long; it must be less than string characters

文档解释ORA-29372:identifierstringistoolong;itmustbelessthanstringcharactersCause:Anattemptwasmadetospecifyanidentifierthatismorethan30characterslong.Action:Useanid...
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