#sh

ORA-64142: Shared tables must have same semantics for truncation.

文档解释ORA-64142:Sharedtablesmusthavesamesemanticsfortruncation.Cause:Anattemptwasmadetocreatesharedtableswithinconsistentsemanticsfortruncation.Eitherallsharedtab...

ORA-55569: The UNDO_RETENTION parameter value should be atmost string, the _highthreshold_undoretention setting.

文档解释ORA-55569:TheUNDO_RETENTIONparametervalueshouldbeatmoststring,the_highthreshold_undoretentionsetting.Cause:TheUNDO_RETENTIONparametervaluewasnotlessthanoreq...

ORA-38764: flashback not started; datafile string enabled threads are different

文档解释ORA-38764:flashbacknotstarted;datafilestringenabledthreadsaredifferentCause:AFLASHBACKDATABASEcommanddidnotstart.Thedatafilewasrestoredfromabackuptakenwhent...

ORA-38756: Flashback is already turned off for this tablespace.

文档解释ORA-38756:Flashbackisalreadyturnedoffforthistablespace.Cause:Anattemptwasmadetoturnoffflashbackdatabaseloggingforatablespacethatalreadyhasflashbackoff.Actio...

ORA-21704: cannot terminate cache or connection without flushing first

文档解释ORA-21704:cannotterminatecacheorconnectionwithoutflushingfirstCause:Seetheerrormessage.Action:Thetransactionshouldbeabortedorcommittedbeforeterminatingtheca...

ORA-13712: Cannot perform ADDM analysis on AWR snapshots from previous releases. Snapshot version “string” do not match the database version “string”.

文档解释ORA-13712:CannotperformADDManalysisonAWRsnapshotsfrompreviousreleases.Snapshotversion“string”donotmatchthedatabaseversion“string”.Ca...

ORA-38799: Cannot drop guaranteed restore point internally created for snapshot standby

文档解释ORA-38799:CannotdropguaranteedrestorepointinternallycreatedforsnapshotstandbyCause:AnattemptismadetodroptheguaranteedrestorepointOraclecreatedinternallyfora...

ORA-14639: SUBPARTITIONS clause can be specfied only for Hash, Composite Range Hash table/partition

文档解释ORA-14639:SUBPARTITIONSclausecanbespecfiedonlyforHash,CompositeRangeHashtable/partitionCause:AttemptedtospecifySUBPARTITIONSclauseontablethatisnotpartitione...

出现bash-4.2#解决方法

原因我的用户目录下就是缺少了.bashrc.bash_logout、.bash_profile、.bashrc这些文件是每个用户都必备的文件。使用以下命令从主默认文件重新拷贝一份配置信息到/root目录下具体为什么会缺少还不得而知反正问题是摆在这了cp/etc/skel/.bashrc/root/cp/etc/skel...

表损坏提示is marked as crashed and should be repaired处理方法

表损坏提示ismarkedascrashedandshouldberepaired处理方法 这个数据表损坏的提示通常是非正常关机或者硬盘占满后MySQL无法正常运行造成的。损坏的是*.MYI文件,该文件是用来存放数据表的索引。MySQL自带了专门用于数据表检查和修复的工具,myisamchk。 到达...
开发笔记 ·2024-10-09

解决Authentication plugin caching_sha2_password cannot be loaded问题

登录mysql时报错Authenticationplugin‘caching_sha2_password‘cannotbeloaded解决办法 报错信息如下:ERROR2059(HY000):Authenticationplugin'caching_sha2_password&...

什么是Hash算法

什么是Hash算法Hash,一般翻译做“散列”,也有直接音译为“哈希”的,就是把任意长度的输入(又叫做预映射,pre-image),通过散列算法。哈希算法将任意长度的二进制值映射为较短的固定长度的二进制值,这个小的二进制值称为哈希值。哈希值是一段数据唯一且极其紧凑的数值表...
开发笔记 ·2024-09-30

mshta命令的使用方法

mshta命令是一个Windows系统中的命令行工具,用于执行和解释HTML应用程序。它可以用来运行基于HTML和脚本语言(如JavaScript)的应用程序,通常用于创建用户界面和交互式脚本。要使用mshta命令,可以在命令提示符中输入以下语法:mshta[options]<url>复制代码其中,[opt...
开发笔记 ·2024-09-25

http post 使用 RestSharp 调用

1、管理nuget包,搜索RestSharp程序版本选择105.2.3  安装后使用方式为varclient=newRestClient(url);client.Timeout=-1;varrequest=newRestRequest(Method.POST);request.AddHeader(&...

C# RestSharp 添加 Basic Auth 验证

varclient=newRestClient("https://www.51dev.com");varUsername="123";varPassword="123";client.Authenticator=newHttpBasicAuthenticator(Username,Password); ...
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