mysqldump 是 MySQL 自带的逻辑备份工具。它的备份原理是通过协议连接到 MySQL 数据库，将需要备份的数据查询出来，将查询出的数据转换成对应的insert 语句，当我们需要还原这些数据时，只要执行这些 insert 语句，即...

什么是kill-3？ kill-3是一个Unix/Linux系统中的命令，用于向进程发送一个SIGQUIT信号。SIGQUIT信号通常用于请求进程进行核心转储（dumpcore），以便进行调试和分析。当你在终端中运行kill-3<进程ID>时，会向指定进程发送SIGQUIT信号，进程会收到该信号并...

文档解释ORA-29309:exportdumpfilewasgeneratedbydifferentversionofDBMS_PITRpackageCause:TheversionofDBMS_PITRisdifferentfromtheversionofthecloneddatabase.Action:Loadt...

文档解释ORA-39189:unabletodecryptdumpfilesetCause:Thedumpfilesetcouldnotbedecrypted.Thereasoncouldbeeitherthataninvalidpasswordwasentered,orthat,whenusingtransparen...

文档解释ORA-38719:InvalidDUMPFLASHBACKobject.Cause:AninvalidobjectwasspecifiedinaDUMPFLASHBACKcommand.Currentlytheonlyobjectsallowedare:LOGFILEorTHREAD.Action:Retry...

文档解释ORA-39140:dumpfile“string”belongstojobstringCause:Whenadumpfilesetconsistsofmultiplefiles,allfilesinthesetmustbespecifiedforanimportoperation,an...

文档解释ORA-10627:DumpthecontentoftheindexleafblockCause:Generateacompleteindextreedump,notjustanoverviewduringaltersessionseteventsimmediatetracenametreedumpAction...

文档解释ORA-31645:unabletoreadfromdumpfile“string”Cause:Importcouldnotreadfromthedumpfile,probablybecauseofadeviceerror.Thismessageisusuallyfollowedbyad...

文档解释ORA-39059:dumpfilesetisincompleteCause:AnIMPORTorSQL_FILEoperationwasbeingperformedbutnotallofthefilesfromtheEXPORTdumpfilesetwereincluded.Action:Checktheex...

文档解释ORA-39142:incompatibleversionnumberstringindumpfile“string”Cause:Adumpfilewasspecifiedforanimportoperationwhoseversionnumberisincompatiblewithth...

文档解释ORA-31616:unabletowritetodumpfile“string”Cause:Exportwasunabletowritetotheexportfile,probablybecauseofadeviceerror.Thismessageisusuallyfollowedb...

文档解释ORA-39114:Dumpfilesarenotsupportedfornetworkjobs.Cause:AnattemptwasmadetoaddadumpfiletoanImportjobthatisusinganetworklinktothesourcedatabase.Action:Donotspe...

文档解释ORA-38717:InvalidDUMPFLASHBACKoption.Cause:AninvalidoptionwasspecifiedintheDUMPFLASHBACKcommand.Currentlytheonlyoptionsallowedare:DBA,TYPE,andLOGICAL.Action...

文档解释ORA-26737:versionstringalreadyhasanexportdumpfileCause:ADataPumpdumpfilewasaddedtoafilegroupversionthatalreadyhasadumpfile.Action:Removetheexistingdumpfilei...

文档解释ORA-39143:dumpfile“string”maybeanoriginalexportdumpfileCause:Adumpfilewasspecifiedforanimportoperationwhichappearstohavebeencreatedusingtheorigi...