RMAN主题的文章列表，还有RMAN的技术要点_第2页

ORA-12916: cannot shrink permanent or dictionary managed tablespace

文档解释ORA-12916:cannotshrinkpermanentordictionarymanagedtablespaceCause:Anattemptwasmadetoshrinkapermanenttablespaceoradictionarymanagedtablespace.Action:Checkthe...

IT技术学习 ·2023-07-11

ORA-03245: Tablespace has to be dictionary managed, online and permanent to be able to migrate

文档解释ORA-03245:Tablespacehastobedictionarymanaged,onlineandpermanenttobeabletomigrateCause:Tablespacewasnotdictionarymanagedoronlineorpermanent.Action:Makesureth...

IT技术学习 ·2023-07-10

ORA-19677: RMAN configuration name exceeds maximum length of string

文档解释ORA-19677:RMANconfigurationnameexceedsmaximumlengthofstringCause:Theconfigurationnamestringexceedsmaximumlength.Action:Supplyacorrectconfigurationnameandret...

IT技术学习 ·2023-07-10

ORA-12950: SYSTEM tablespace specified as default permanent tablespace

文档解释ORA-12950:SYSTEMtablespacespecifiedasdefaultpermanenttablespaceCause:SYSTEMtablespacewasspecifiedasthedefaultpermanentduringdatabasecreation.Action:Ifdefaul...

IT技术学习 ·2023-07-09

ORA-12918: Invalid tablespace type for default permanent tablespace

文档解释ORA-12918:InvalidtablespacetypefordefaultpermanenttablespaceCause:Thetablespaceiseitherdropped,temporaryorundoAction:Checkthetablespacetypeandreissuethestat...

IT技术学习 ·2023-07-09

ORA-53801: cannot apply conformance validation on DICOM attribute string.

文档解释ORA-53801:cannotapplyconformancevalidationonDICOMattributestring.Cause:ThecontentlengthoftheattributeexceededthevalueoftheXML_SKIP_ATTRparameterthatwasdefin...

IT技术学习 ·2023-07-08

ORA-15741: no COMPARE_PERFORMANCE execution exists for SQL Performance Analyzer task “string”

文档解释ORA-15741:noCOMPARE_PERFORMANCEexecutionexistsforSQLPerformanceAnalyzertask“string”Cause:CouldnotfindanexecutionoftypeCOMPARE_PERFORMANCEforspec...

IT技术学习 ·2023-07-08

ORA-53810: error logging conformance validation messages

文档解释ORA-53810:errorloggingconformancevalidationmessagesCause:Anerroroccurredwhiletryingtologconformancevalidationmessages.Action:Ensurethattheconstraintruledefi...

IT技术学习 ·2023-07-08

ORA-19678: RMAN configuration value exceeds maximum length of string

文档解释ORA-19678:RMANconfigurationvalueexceedsmaximumlengthofstringCause:Theconfigurationvaluestringexceedsmaximumlength.Action:Supplyacorrectconfigurationvalueand...

IT技术学习 ·2023-07-08

ORA-01268: invalid TEMPFILE clause for alter of permanent TABLESPACE

文档解释ORA-01268:invalidTEMPFILEclauseforalterofpermanentTABLESPACECause:ATEMPFILEclausewasspecifiedforanALTERTABLESPACEforapermanenttablespace.Action:RetrywithaDA...

IT技术学习 ·2023-07-08

ORA-02196: PERMANENT/TEMPORARY option already specified

文档解释ORA-02196:PERMANENT/TEMPORARYoptionalreadyspecifiedCause:InCREATETABLESPACE,thePERMANENTand/orTEMPORARYoptionswerespecifiedmorethanonce.Action:NoneORA-02196...

IT技术学习 ·2023-07-06

centos7设置CPU的运行频率为performance

查看当前cpu运行频率：cat /proc/cpuinfo | grep -i "cpumhz"开始设置：cpupower-callfrequency-set -gperformance 或者： cpupower&nbs...

开发笔记 ·2023-05-18

workerman 系列错误解决方法

启动报错，alreadyrunning，以下面为例phpstart.phpstartWorkerman[start.php]startinDEBUGmodeWorkerman[start.php]alreadyrunning出现以上错误，那么我们来看下workerman进程在不在，使用这个命令：psauxf看到这个进程...

开发笔记 ·2022-12-05

数据库实例性能调优利器：Performance Insights

PerformanceInsights是什么阿里云RDSPerformanceInsights是RDSCloudDBA产品一项专注于用户数据库实例性能调优、负载监控和关联分析的利器，以简单直观的方式帮助用户迅速评估数据库负载，资源等待的源头和对应SQL查询语句，以此来指导用户在何时、何处、采取何种行动进行数据性能优化。...

代码星球 ·2021-02-24

AuthenticationManager, ProviderManager 和 AuthenticationProvider

AuthenticationManager是一个接口：publicinterfaceAuthenticationManager{Authenticationauthenticate(Authenticationauthentication)throwsAuthenticationException;} Pro...

代码星球 ·2021-02-21