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Linux中gethostname与其他命令的结合使用

gethostname 是一个Linux命令，用于显示或设置系统的主机名将主机名存储在变量中：HOSTNAME=$(gethostname)echo"Thehostnameis:$HOSTNAME"复制代码与 ssh 命令结合使用，以便根据主机名连接到不同的服务器：#!/bin/bashH...

开发笔记 ·2024-08-29

QUOTENAME函数的用法

quotename函数的语法为：quotename(‘expression1′,’expression2’)expression1:指的是需要被特殊处理的字符expression2：例如｛｝、[]等之类的字符实际例子：代码语言：javascript复制selectquot...

开发笔记 ·2024-07-26

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 3 <addname="CamnprData...

开发笔记 ·2023-12-02

ORA-55366: unknown namespace prefix “string”

文档解释ORA-55366:unknownnamespaceprefix“string”Cause:AnattemptwasmadetomakeuseofanundefinednamespaceprefixinOracleVirtualPrivateDatabase(VPD)metadata.A...

IT技术学习 ·2023-07-28

ORA-31037: Invalid XML attribute name string

文档解释ORA-31037:InvalidXMLattributenamestringCause:TheattributenameintheXMLdocumentdidnotmatchanythingintheassociatedschema.Action:Supplyonlyschema-definedorXMLst...

IT技术学习 ·2023-07-28

ORA-44815: User name is too large

文档解释ORA-44815:UsernameistoolargeCause:Theusernamementionedintheparameterlistwastoolarge.Action:Checktheusername.ORA-44815用户名太长。官方解释常见案例一般处理方法及步骤1.确定相关用户，并尝试检查其用...

IT技术学习 ·2023-07-28

ORA-29510: name, string.string, already used by an existing object

文档解释ORA-29510:name,string.string,alreadyusedbyanexistingobjectCause:ACREATEJAVAcommandattemptedtocreateasource,class,orresourceobjectwithanamethatisalreadyinuse...

IT技术学习 ·2023-07-28

ORA-30968: invalid XPATH or NAMESPACE option for XML Index

文档解释ORA-30968:invalidXPATHorNAMESPACEoptionforXMLIndexCause:Anattemptwasmadetouseanunsupportedoption.Action:Usetheappropriateoption.ORA-30968异常消息表明，您尝试创建的XML索引的...

IT技术学习 ·2023-07-28

ORA-44303: service name exists

文档解释ORA-44303:servicenameexistsCause:Thisservicenamewasalreadyinexistence.Action:Provideanewuniqueservicename.ORA-44303错误消息是Oracle数据库定义的一个错误消息，表示提供的服务名称已存在（空间不允...

IT技术学习 ·2023-07-28

ORA-53048: definer name DICOM is not allowed in a private dictionary

文档解释ORA-53048:definernameDICOMisnotallowedinaprivatedictionaryCause:TheoperationfailedbecausethedefinernameDICOMwasfoundintheprivatedictionary.Action:Correctthe...

IT技术学习 ·2023-07-28

ORA-40281: invalid model name

文档解释ORA-40281:invalidmodelnameCause:Amodelnameisinvalidordoesnotexist.Action:Checkspelling.Avalidmodelnamemustbeginwithaletterandmaycontainonlyalphanumericchara...

IT技术学习 ·2023-07-28

ORA-28151: more than one user name specified for command

文档解释ORA-28151:morethanoneusernamespecifiedforcommandCause:MorethanoneusernamewasspecifiedforanALTERUSERcommand.Action:Trythecommandagainwithonlyoneusername.ORA-...

IT技术学习 ·2023-07-28

ORA-53432: The DICOM object attribute string has invalid definer name.

文档解释ORA-53432:TheDICOMobjectattributestringhasinvaliddefinername.Cause:AprivateattributedefinerforaprivateattributecontainedinthisDICOMobjecthadinvalidcharacter...

IT技术学习 ·2023-07-28

ORA-39220: file name is too long

文档解释ORA-39220:filenameistoolongCause:ThefilenameprovidedtotheDataPumpJobwasinvalidbecauseitslengthwasgreaterthan4000characters.Action:Retrytheoperationwithavali...

IT技术学习 ·2023-07-28

ORA-24240: invalid database access descriptor (DAD) name

文档解释ORA-24240:invaliddatabaseaccessdescriptor(DAD)nameCause:ThespecifiedDatabaseAccessDescriptor(DAD)namewasinvalid.Action:MakesurethenameoftheDatabaseAccessDes...

IT技术学习 ·2023-07-28