IM主题的文章列表，还有IM的技术要点_第1页

ORA-26883: Timeout due to string Apply process “string” while merge original Capture process “string” and cloned Capture process “string”.

文档解释ORA-26883:TimeoutduetostringApplyprocess“string”whilemergeoriginalCaptureprocess“string”andclonedCaptureprocess“string”....

IT技术学习 ·2025-02-23

ORA-07209: sfofi: file size limit was exceeded.

文档解释ORA-07209:sfofi:filesizelimitwasexceeded.Cause:ThesizeofthefiletobeopenedexceededtheOSlimitimposedonthisprocess.Action:Runoshtoincreasethefilesizelimit.ORA-...

IT技术学习 ·2025-02-20

ORA-31010: XML element index string exceeds maximum insertion index string

文档解释ORA-31010:XMLelementindexstringexceedsmaximuminsertionindexstringCause:AnattemptwasmadetoinsertanXMLelementataninvalidindexlocationinthenode.Action:Choosean...

IT技术学习 ·2025-02-20

ORA-31511: name exceeds maximum length of 30 characters

文档解释ORA-31511:nameexceedsmaximumlengthof30charactersCause:Anamewassuppliedthatexceedsthemaximumlengthof30characters.Action:Changethenamesoitdoesnotexceed30chara...

IT技术学习 ·2025-02-20

ORA-19164: XQST0085 – It is a static error if the namespace URI in a namespace declaration attribute is a zero-length string, and the implementation does not support [XML Names 1.1].

文档解释ORA-19164:XQST0085–ItisastaticerrorifthenamespaceURIinanamespacedeclarationattributeisazero-lengthstring,andtheimplementationdoesnotsupport[XMLNames1....

IT技术学习 ·2025-02-17

ORA-29890: specified primary operator does not have an index context

文档解释ORA-29890:specifiedprimaryoperatordoesnothaveanindexcontextCause:Theprimaryoperatordoesnothaveanindexandscancontexts.Action:Createtheprimaryoperatorwithacon...

IT技术学习 ·2025-02-14

ORA-16451: A remote archival request has timed out.

文档解释ORA-16451:Aremotearchivalrequesthastimedout.Cause:Whenopeningorclosingadatabaseinstance,thedatabasemaywaitforupto1minuteforpendingremotearchivalrequeststobe...

IT技术学习 ·2025-02-14

ORA-22614: error while construction the collection in the image

文档解释ORA-22614:errorwhileconstructionthecollectionintheimageCause:ErrorduringtheconstructionofcollectionAction:MakesureimagehandleisinitializedandOCIPicklerImage...

IT技术学习 ·2025-02-14

ORA-26875: Timeout while string automatic split job “string” waits for the subscriber “string” of Capture process “string” to acknowledge split

文档解释ORA-26875:Timeoutwhilestringautomaticsplitjob“string”waitsforthesubscriber“string”ofCaptureprocess“string”toacknowledges...

IT技术学习 ·2025-02-11

TIME_WAIT过多是因为什么?

　TIME_WAIT过多通常是因为在TCP连接关闭后，处于TIME_WAIT状态的连接数量较多。以下是导致TIME_WAIT过多的一些常见原因：　　1.短时间内大量连接：　　如果服务器在短时间内需要处理大量的短暂连接，TIME_WAIT状态的连接会迅速累积。这种情况常见于高并发的网络应用，如高流量的Web服务器。　　2...

开发笔记 ·2025-02-06

ORA-14519: Conflicting tablespace blocksizes for string string: Tablespace string block size string [string] conflicts with previously specified/implied tablespace string block size string [string]

文档解释ORA-14519:Conflictingtablespaceblocksizesforstringstring:Tablespacestringblocksizestring[string]conflictswithpreviouslyspecified/impliedtablespacestringbloc...

IT技术学习 ·2025-02-04

服务器UDIMM、LRDIMM、RDIMM三种内存的区别

在服务器领域，目前使用的内存条类型(DIMM)主要有三种：UDIMM、RDIMM和LRDIMM。UDIMMUDIMM：全称UnbufferedDIMM，即无缓冲双列直插内存模块，指地址和控制信号不经缓冲器，无需做任何时序调整，直接到达DIMM上的DRAM芯片。UDIMM由于在CPU和内存之间没有任何缓存，因此同频率下延...

开发笔记 ·2024-12-19

Oracle 中control_file_record_keep_time参数的解释

Oracle基于RMAN的备份方式，可分为以catalog和nocatalog的两种方式进行备份管理。其中，catalog的方式需要一个catalog目录数据库，这个数据库一般运行在另外一台服务器上，这种方式可以用于用户有多个Oracle数据库的环境，同时对数据库的备份恢复信息也可以长久的保存，也就是RMAN把对数据库...

开发笔记 ·2024-09-30

常用的MIME类型

.doc application/msword.docx application/vnd.openxmlformats-officedocument.wordprocessingml.document.rtf application/rtf.xls&nb...

开发笔记 ·2024-09-29

Web Performance Optimization

WebPerformanceOptimization 技术不断演进，包括： - LazyLoading:延迟加载非必要的资源，提升页面加载速度。- CodeSplitting:将代码拆分成更小的部分，按需加载。- HTTP/3:新一代HTTP协议，提升了网络传输性能和安...

开发笔记 ·2024-08-31