ETL主题的文章列表，还有ETL的技术要点_第1页

8种开源的ETL工具

1、ApacheCamelApacheCamel是一个非常强大的基于规则的路由以及媒介引擎，该引擎提供了一个基于POJO的企业应用模式(EnterpriseIntegrationPatterns)的实现，你可以采用其异常强大且十分易用的API(可以说是一种Java的领域定义语言DomainSpecificLanguag...

开发笔记 ·2024-09-01

几款开源的ETL工具介绍

ETL，是英文Extract-Transform-Load的缩写，用来描述将数据从来源端经过抽取(Extract)、转换(Transform)、加载(Load)至目的端的过程。ETL是构建数据仓库的重要一环，用户从数据源抽取出所需的数据，经过数据清洗，最终按照预先定义好的数据仓库模型，将数据加载到数据仓库中去。本文列出...

开发笔记 ·2024-08-28

ORA-07534: scginq: $getlki unexpected return on lockid string

文档解释ORA-07534:scginq:$getlkiunexpectedreturnonlockidstringCause:VMSsystemservice$GETLKIreturnedanunexpectedvalueAction:CheckforsystemerrormessageandrefertoVMSdo...

IT技术学习 ·2023-07-26

ORA-19655: cannot switch to incarnation with different RESETLOGS data

文档解释ORA-19655:cannotswitchtoincarnationwithdifferentRESETLOGSdataCause:ThisSWITCHTOCOPYoperationisattemptingtoswitchtoadatafilewhichcomesfromadifferentRESETLOGS...

IT技术学习 ·2023-07-26

ORA-07510: scgbrm: $getlki unexpected return on lockid string

文档解释ORA-07510:scgbrm:$getlkiunexpectedreturnonlockidstringCause:VMSsystemservice$GETLKIreturnedanunexpectedvalueAction:CheckforsystemerrormessageandrefertoVMSdo...

IT技术学习 ·2023-07-26

ORA-19659: incremental restore would advance file string past RESETLOGS

文档解释ORA-19659:incrementalrestorewouldadvancefilestringpastRESETLOGSCause:Thisincrementalbackupcannotbeappliedtothespecifieddatafile,becausethedatafileisfromanea...

IT技术学习 ·2023-07-25

ORA-38871: cannot enable flashback before open resetlogs after incomplete recovery.

文档解释ORA-38871:cannotenableflashbackbeforeopenresetlogsafterincompleterecovery.Cause:Toenableflashbackonaprimarydatabase,thedatabasemustbecleanwithoutrequiringop...

IT技术学习 ·2023-07-19

ORA-19658: cannot inspect string – file is from different RESETLOGS

文档解释ORA-19658:cannotinspectstring–fileisfromdifferentRESETLOGSCause:TheRESETLOGSdatainthelogfilebeinginspecteddoesnotmatchthatinthecurrentlymountedcontrol...

IT技术学习 ·2023-07-16

ORA-01209: data file is from before the last RESETLOGS

文档解释ORA-01209:datafileisfrombeforethelastRESETLOGSCause:Theresetlogdatainthefileheaderdoesnotmatchthecontrolfile.Ifthedatabaseisclosedorthefileisoffline,theback...

IT技术学习 ·2023-07-10

ORA-01181: file string created before last known RESETLOGS, cannot recreate

文档解释ORA-01181:filestringcreatedbeforelastknownRESETLOGS,cannotrecreateCause:AttemptedtouseALTERDATABASECREATEDATAFILEtorecreateadatafilethatexistedbeforethelast...

IT技术学习 ·2023-07-10

ORA-01139: RESETLOGS option only valid after an incomplete database recovery

文档解释ORA-01139:RESETLOGSoptiononlyvalidafteranincompletedatabaserecoveryCause:TheRESETLOGSoptionwasgiveninALTERDATABASEOPEN,buttherehasbeennoincompleterecoveryse...

IT技术学习 ·2023-07-09

ORA-00342: archived log does not have expected resetlogs SCN string

文档解释ORA-00342:archivedlogdoesnothaveexpectedresetlogsSCNstringCause:Recoverywasgivenalogthatdoesnotbelongtocurrentincarnationoroneoftheparentincarnation.Theresh...

IT技术学习 ·2023-07-09

ORA-19644: datafile string: incremental-start SCN is prior to RESETLOGS SCN string

文档解释ORA-19644:datafilestring:incremental-startSCNispriortoRESETLOGSSCNstringCause:Theincremental-startSCNwhichwasspecifiedwhenstartinganincrementaldatafilebacku...

IT技术学习 ·2023-07-09

ORA-01190: control file or data file string is from before the last RESETLOGS

文档解释ORA-01190:controlfileordatafilestringisfrombeforethelastRESETLOGSCause:Attemptingtouseadatafilewhenthelogresetinformationinthefiledoesnotmatchthecontrolfile...

IT技术学习 ·2023-07-09

ORA-01589: must use RESETLOGS or NORESETLOGS option for database open

文档解释ORA-01589:mustuseRESETLOGSorNORESETLOGSoptionfordatabaseopenCause:Eitherincompleteorbackupcontrolfilerecoveryhasbeenperformed.Afterthesetypesofrecoveryyoumu...

IT技术学习 ·2023-07-08