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#per
ORA-40219: apply result table string is incompatible with current operation
文档解释ORA-40219:applyresulttablestringisincompatiblewithcurrentoperationCause:Thecurrentoperationwasnotallowedfortheapplyresulttablesupplied.Action:Makesuretheope...
IT技术学习
·
2025-02-22
ORA-40219
apply
result
table
string
ORA-56864: Master Diskmon “stringstring” operation cannot complete because of a LIBCELL network error
文档解释ORA-56864:MasterDiskmon“stringstring”operationcannotcompletebecauseofaLIBCELLnetworkerrorCause:ALIBCELLoperationbetweenMasterDiskmonandaCELLfail...
IT技术学习
·
2025-02-20
ORA-56864
Master
Diskmon
#8220stringstring
#8221
ORA-21604: property [string] is not a property of transient or value instances
文档解释ORA-21604:property[string]isnotapropertyoftransientorvalueinstancesCause:Tryingtogetapropertywhichappliesonlytopersistentobjects.Action:Usershouldchecktheli...
IT技术学习
·
2025-02-20
property
ORA-21604
string
is
not
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...
IT技术学习
·
2025-02-17
version
#8220string
ORA-13712
Cannot
perform
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-29890
specified
primary
operator
does
ORA-32136: Cannot perform operation on an invalid stream
文档解释ORA-32136:CannotperformoperationonaninvalidstreamCause:TheLOB/FILEfromwhichthestreamwasobtainedhadbeennullifiedordestroyed.Action:Useavalidstream.这是一个Oracle...
IT技术学习
·
2025-02-14
ORA-32136
Cannot
perform
operation
on
ORA-12712: new character set must be a superset of old character set
文档解释ORA-12712:newcharactersetmustbeasupersetofoldcharactersetCause:WhenyouALTERDATABASE…CHARACTERSET,thenewcharactersetmustbeasupersetoftheoldcharacterset...
IT技术学习
·
2025-02-09
character
set
ORA-12712
new
must
debugging Visual Studio 2022调试数据表可视化工具时出错-缺少NewtonsoftSerializationHelper.dll或依赖项
我已将Visualstudio2022从以前的版本升级到最新的更新版本17.7.4。从那时起,在调试期间尝试可视化C#DataTable时,我收到错误“Visualizer中的内部错误”。简单文本Visualizer工作正常,但DataVisualizer不正常。我尝试修复VisualStudi...
开发笔记
·
2025-02-06
debugging
Visual
Studio
2022
调试
MailHelper
using System;using System.Collections.Concurrent;using System.Collections.Generic;using System.Collections.ObjectModel;using System.Com...
开发笔记
·
2024-09-29
MailHelper
Uncaught TypeError: Cannot read properties of undefined (rea
vue页面UncaughtTypeError:Cannotreadpropertiesof undefined (reading‘install’)报错,页面全空白。然后发现是自己写的指令全局引用的原因使用了export导出export{preventReClick}复制代码...
开发笔记
·
2024-09-29
Uncaught
TypeError
Cannot
read
properties
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
Web
Performance
Optimization
springboot配置properties
springboot配置properties时,属性值是中文乱码情况处理方式方法...
开发笔记
·
2024-08-27
springboot
配置
properties
C语言toupper()函数:将字符转换成大写
头文件和函数原型#include<ctype.h>inttoupper(intc);C描述toupper()是C语言标准库中的一个函数,用于将一个字符转换成对应的大写形式;返回值如果传入的字符参数是一个小写字母,toupper()函数会返回其对应的大写字母;如果参数不是小写字母,则原封不动的返回;这个示例将...
开发笔记
·
2024-08-23
语言
toupper
函数
字符
换成
mysql innodb 独立表空间 innodb_file_per_table
5.6.6以上版本默认开启my.cnfinnodb_file_per_table=ON;命令行setglobalinnodb_file_per_table=ON;查看showvariableslike'%per_table%';...
开发笔记
·
2024-07-09
innodb
mysql
独立
空间
file
spring中mapper层是什么意思?
mapper层的作用是对数据库进行数据持久化操作,他的方法语句是直接针对数据库操作的现在用mybatis逆向工程生成的。mapper层,其实就是dao层,主要是做数据持久层的工作,负责与数据库进行联络的一些任务都封装在此。...
开发笔记
·
2024-05-06
spring
mapper
是什么
意思
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