#TSE

ORA-16307: TSE key string successfully applied

文档解释ORA-16307:TSEkeystringsuccessfullyappliedCause:AnALTERSYSTEMSETENCRYPTIONKEYstatementwassuccessfullycommittedonthelogicalstandbydatabase.Action:Noactionnece...

ORA-32042: recursive WITH clause must reference itself directly in one of the UNION ALL branches

文档解释ORA-32042:recursiveWITHclausemustreferenceitselfdirectlyinoneoftheUNIONALLbranchesCause:AWITHclausequeryreferredtoitself(recursive)indirectly,suchasthrougha...

ORA-13349: polygon boundary crosses itself

文档解释ORA-13349:polygonboundarycrossesitselfCause:Theboundaryofapolygonintersectsitself.Action:Correctthegeometricdefinitionoftheobject.ORA-13349信息:“polygonbounda...

ORA-41103: Only the designated Cluster Director: string can undesignate itself.

文档解释ORA-41103:OnlythedesignatedClusterDirector:stringcanundesignateitself.Cause:AnattemptwasmadetoundesignatethecurrentClusterDirectorbyadatabasethatisnottheClu...

ORA-14637: cannot merge a subpartition with itself

文档解释ORA-14637:cannotmergeasubpartitionwithitselfCause:ThesamesubpartitionnamewasspecifiedtwiceforthemergeoperationAction:Re-submitoperationwith2distinctsubparti...

ORA-07642: smprtset: $CMKRNL failure

文档解释ORA-07642:smprtset:$CMKRNLfailureCause:Whileattemptingtosettheprotectionofaregionofmemory,anerrorwasreturnedfromthe$CMKRNLsystemservice.Action:Examinethesys...

ORA-25313: a queue may not subscribe to itself for propagation

文档解释ORA-25313:aqueuemaynotsubscribetoitselfforpropagationCause:ThespecifiedsubscriberhadaNULLnameandanaddressequaltothequeuename.Action:Provideavalidsubscribera...

ORA-14315: cannot merge a partition with itself

文档解释ORA-14315:cannotmergeapartitionwithitselfCause:ThesamepartitionnamewasspecifiedtwiceforthemergeoperationAction:Re-submitoperationwith2distinctpartitionnames...

ORA-09834: snyGetPortSet: failed to collect info on a port.

文档解释ORA-09834:snyGetPortSet:failedtocollectinfoonaport.Cause:Theport_statussystemcalledfailed.Action:Possibleoperatingsystemerror.ContactOraclesupport.ORA-09834...

ORA-13022: polygon crosses itself

文档解释ORA-13022:polygoncrossesitselfCause:Thecoordinatesdefiningapolygonalgeometricelementrepresentcrossingsegments.Action:Redefinecoordinatesforthepolygon.?ORA-1...
IT技术学习 ·2023-07-06

MySQL Error number: 4027; Symbol: ER_ROLE_GRANTED_TO_ITSELF; SQLSTATE: HY000

文档解释Errornumber:4027;Symbol:ER_ROLE_GRANTED_TO_ITSELF;SQLSTATE:HY000Message:Useraccount%sisdirectlyorindirectlygrantedtotherole%s.TheGRANTwouldcreatealoop错误说明:E...
IT技术学习 ·2023-07-03

C# 中处理 JSON-使用 JavaScriptSerializer 更简单

C#中处理JSON-使用DataContractJsonSerializerC#中处理JSON-属性应public、无参数构造函数应该有C#中处理JSON-字符串属性值转义C#中处理JSON-使用JavaScriptSerializer更简单C#中处理JSON-生成的JSON属性顺序是怎样的?JavaScriptSer...

linux命令:statserial(status ofserial port)

 statserial(status ofserial port)功能说明:显示串口状态。语  法:statserial [-dnx][串口设备名称]补充说明:statserial可显示各个接脚的状态,常用来判断串口是否正常。参  数:  -d &n...

linux命令:setserial

 setserial功能说明:设置或显示串口的相关信息。语  法:setserial [-abgGqvVz][设备][串口参数]补充说明:setserial可用来设置串口或显示目前的设置。参  数:  -a   显示详细信息。  ...
开发笔记 ·2023-03-16

文件上传下载、socketserver(并发)、解读socketserver源码

一、文件上传/下载1、文件上传/下载  学习了socket套接字,我们现在可以写一个文件上传/下载的程序,如下示例:importsocketimportjsonserver=socket.socket()server.bind(('127.0.0.1',8899))server.listen(5)while1:prin...
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