op主题的文章列表，还有op的技术要点_第2页

System.getProperty()

System类来自于这个包：java.lang.SystemSystem.getProperty("XXX")方法用来读取JVM中的系统属性，那么java虚拟机中的系统属性使用在运行java程序的时候java-D配置，有两种方式1-在命令行配置在eclipse中，选中这个项目，然后在工具栏中选择ru...

开发笔记 ·2023-08-23

PHP 开启 Opcache

开发笔记 ·2023-08-12

ORA-48149: error encountered when attempting to copy a file

文档解释ORA-48149:errorencounteredwhenattemptingtocopyafileCause:TherewasanerrorencounteredwhenattemptingtocopyafilewiththeADRfileinterface.Action:Checkthedirectory...

IT技术学习 ·2023-07-28

ORA-44739: Cannot drop the last group.

文档解释ORA-44739:Cannotdropthelastgroup.Cause:Anattemptwasmadetodropthelastgroupintheindex.Action:UsetheDROPINDEXstatementinstead.ORA-44739是Oracle数据库中的一个错误代码。它表明，用...

IT技术学习 ·2023-07-28

ORA-38810: Implementation restriction: cannot drop edition that has a parent and a child

文档解释ORA-38810:Implementationrestriction:cannotdropeditionthathasaparentandachildCause:Thiserroroccurredbecauseanattemptwasmadetodropaneditionthathasaparentandac...

IT技术学习 ·2023-07-28

ORA-25100: TABLESPACE option can only be used with ALTER INDEX REBUILD

文档解释ORA-25100:TABLESPACEoptioncanonlybeusedwithALTERINDEXREBUILDCause:TheTABLESPACEoptiontoALTERINDEXwasusedwithouttheREBUILDoption.Action:UseALTERINDEXREBUILDT...

IT技术学习 ·2023-07-28

ORA-47402: incorrect evaluation options value for Factor string

文档解释ORA-47402:incorrectevaluationoptionsvalueforFactorstringCause:ThefactorevaluationsoptionsvalueisincorrectAction:Pleasereviewthefactordefinitionandcorrectita...

IT技术学习 ·2023-07-28

ORA-30968: invalid XPATH or NAMESPACE option for XML Index

文档解释ORA-30968:invalidXPATHorNAMESPACEoptionforXMLIndexCause:Anattemptwasmadetouseanunsupportedoption.Action:Usetheappropriateoption.ORA-30968异常消息表明，您尝试创建的XML索引的...

IT技术学习 ·2023-07-28

ORA-32486: unsupported operation in recursive branch of recursive WITH clause

文档解释ORA-32486:unsupportedoperationinrecursivebranchofrecursiveWITHclauseCause:TherecursivecomponentoftheUNIONALLinarecursiveWITHclauseelementusedanoperationthat...

IT技术学习 ·2023-07-28

ORA-38716: Must supply an integer for the TYPE option.

文档解释ORA-38716:MustsupplyanintegerfortheTYPEoption.Cause:AninvalidvaluewasspecifiedforTYPEintheDUMPFLASHBACKcommand.Action:Specifyanintegervalue.ORA-38716是由Oracl...

IT技术学习 ·2023-07-28

ORA-48215: Sequence Invalid Operation [string] [string]

文档解释ORA-48215:SequenceInvalidOperation[string][string]Cause:Thespecifiedsequenceoperationisnotvalid.Action:Specifyavalidoperation.ORA-48215是Oracle抛出的一条错误，用来表示序列...

IT技术学习 ·2023-07-28

ORA-32150: Cannot perform operation on a null timestamp

文档解释ORA-32150:CannotperformoperationonanulltimestampCause:Thetimestampinvolvedinthisoperationisnull.Action:Usevalid,non-nulltimestampinstancetoperformthisoperat...

IT技术学习 ·2023-07-28

ORA-30974: invalid Path Id Index option for XML Index

文档解释ORA-30974:invalidPathIdIndexoptionforXMLIndexCause:Anattemptwasmadetouseanunsupportedoption.Action:Usetheappropriateoption.ORA-30974：对于XML索引无效的PathIdIndex选项...

IT技术学习 ·2023-07-28

ORA-32313: REFRESH FAST of “string”.”string” unsupported after PMOPs

文档解释ORA-32313:REFRESHFASTof“string”.”string”unsupportedafterPMOPsCause:APartitionMaintenanceOperation(PMOP)hasbeenperformedonadetailtabl...

IT技术学习 ·2023-07-28

ORA-30970: option not supported for XML Index

文档解释ORA-30970:optionnotsupportedforXMLIndexCause:Anattemptwasmadetospecifyaninvalidoption.Action:Checkandusevalidoptions.ORA-30970:这是一个遇到XML索引错误的错误代码。ORA-30970代...

IT技术学习 ·2023-07-28