#qualifier

ORA-25154: column part of USING clause cannot have qualifier

文档解释ORA-25154:columnpartofUSINGclausecannothavequalifierCause:Columnsthatareusedforanamed-join(eitheraNATURALjoinorajoinwithaUSINGclause)cannothaveanexplicitqua...
IT技术学习 ·2023-07-26

ORA-39958: invalid warning category qualifier

文档解释ORA-39958:invalidwarningcategoryqualifierCause:Thecategoryqualifierwasincorrect.Action:Specifyavaildcategoryqualifier.ORA-39958错误表明,在快照组创建过程中指定的警告类别限定符无效。官方...

ORA-23379: connection qualifier “string” is too long

文档解释ORA-23379:connectionqualifier“string”istoolongCause:Themaximumlengthofadatabaselink,includingtheconnectionqualifier,is128bytes.Action:Useashorte...

ORA-25155: column used in NATURAL join cannot have qualifier

文档解释ORA-25155:columnusedinNATURALjoincannothavequalifierCause:Columnsthatareusedforanamed-join(eitheraNATURALjoinorajoinwithaUSINGclause)cannothaveanexplicitqua...

ORA-23378: connection qualifier “string” is not valid for object group “string”.”string”

文档解释ORA-23378:connectionqualifier“string”isnotvalidforobjectgroup“string”.”string”Cause:Theconnectionqualifierusedinthedatab...

吴裕雄--天生自然轻量级JAVA EE企业应用开发Struts2Sping4Hibernate整合开发学习笔记:Spring_Qualifier

<?xmlversion="1.0"encoding="GBK"?><projectname="spring"basedir="."default=""><propertyname="src"value="src"/><propertyname="dest"value="cla...

@Qualifier is not applicable for constructor

笔者在springboot项目中使用java_websocket作为客户端,调用第三方ws服务。最初只调用一个ws服务,以下代码可以正常工作:@BeanpublicURIttsUri()throwsURISyntaxException{returnnewURI("ws://1.1.1.1:8888/xxx");}@Sl...

DotNetNuke中理解{objectQualifier} {databaseOwner}

 在DotNetNuke3.0中,如果我们用英文版安装的时候,在数据库中我们可以看到大部分表都有一个前缀“_DNN”。为什么要设置这个前缀呢,是因为利用objectqualifier(表现为前缀),可以允许在同一个数据库中建立多个主机。在每个存储过程和表中都指定了objectqualifier。例如,你可以设...

Spring的@Qualifier注解

以下内容引用自http://wiki.jikexueyuan.com/project/spring/annotation-based-configuration/spring-qualifier-annotation.html:可能会出现这种情况,当你创建多个相同类型的bean并且希望仅使用属性中的一个连接时。在这种情...
代码星球 ·2020-04-04