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PHP包含文件函数include、include_once、require、require_once区别和总结

PHP中的include()、require()语句包含并运行指定文件。这两结构在包含文件上完全一样，唯一的区别是对于错误的处理。require()语句在遇到包含文件不存在，或是出错的时候，就停止即行，并报错。include()则继续即行。例如：hello.php不存在时：include(‘hello.ph...

开发笔记 ·2023-09-07

ORA-54521: inner ring is not inside or is touching outer ring more than once

文档解释ORA-54521:innerringisnotinsideoristouchingouterringmorethanonceCause:Aninnerringeitherwasnotinsideitsouterringortoucheditsouterringmorethanonce.Action:Ensur...

IT技术学习 ·2023-07-26

ORA-13500: SYSAUX DATAFILE clause specified more than once

文档解释ORA-13500:SYSAUXDATAFILEclausespecifiedmorethanonceCause:TheCREATEDATABASEcommandcontainsmorethanoneSYSAUXDATAFILEclause.Action:SpecifyatmostoneSYSAUXDATAFI...

IT技术学习 ·2023-07-26

ORA-27423: calendar clause string specified more than once

文档解释ORA-27423:calendarclausestringspecifiedmorethanonceCause:Thecalendardefinitioncontainedaclausethatwasspecifiedtwiceormoretimes.Action:Appendthevaluesinthese...

IT技术学习 ·2023-07-26

ORA-55329: same model string specified more than once in the list of models

文档解释ORA-55329:samemodelstringspecifiedmorethanonceinthelistofmodelsCause:Thespecifiedmodeloccurredmorethanonceinthelistofmodels.Action:Eliminateduplicateoccurre...

IT技术学习 ·2023-07-26

ORA-19860: piece validation cannot be performed more than once

文档解释ORA-19860:piecevalidationcannotbeperformedmorethanonceCause:Theuserattemptedtovalidatealistofbackuppiecesmorethanonce.Validationmayonlybeperformedonceforagi...

IT技术学习 ·2023-07-16

ORA-02164: DATAFILE clause specified more than once

文档解释ORA-02164:DATAFILEclausespecifiedmorethanonceCause:TheCREATEDATABASEcommandcontainsmorethanoneDATAFILEclause.Action:SpecifyatmostoneDATAFILEclause.官方解释ORA-0...

IT技术学习 ·2023-07-09

ORA-01968: Only specify RESETLOGS or NORESETLOGS once

文档解释ORA-01968:OnlyspecifyRESETLOGSorNORESETLOGSonceCause:ThekeywordRESETLOGSorNORESETLOGShasappearedmorethanonceAction:BesuretospecifyRESETLOGSorNORESETLOGSexac...

IT技术学习 ·2023-07-08

ORA-14604: During CREATE TABLE time it is illegal to specify SUBPARTITIONS or STORE IN once a SUBPARTITION TEMPLATE has been specified

文档解释ORA-14604:DuringCREATETABLEtimeitisillegaltospecifySUBPARTITIONSorSTOREINonceaSUBPARTITIONTEMPLATEhasbeenspecifiedCause:Onceasubpartitiontemplatehasbeenspec...

IT技术学习 ·2023-07-08

ORA-32490: recursive query name referenced more than once in recursive branch of recursive WITH clause element

文档解释ORA-32490:recursivequerynamereferencedmorethanonceinrecursivebranchofrecursiveWITHclauseelementCause:TherecursivecomponentoftheUNIONALLinarecursiveWITHclaus...

IT技术学习 ·2023-07-08

ORA-01774: Dump undo option specified more than once

文档解释ORA-01774:DumpundooptionspecifiedmorethanonceCause:ThesameoptionforALTERDUMPUNDOwasspecifiedtwice.Action:Removetheredundantoptionsandreissuethecommand.ORA-0...

IT技术学习 ·2023-07-08

ORA-30512: cannot modify string.string more than once in a transaction

文档解释ORA-30512:cannotmodifystring.stringmorethanonceinatransactionCause:Anattemptwasmadetomodifyanobjectmorethanonceinatransaction.ThiserrorisusuallycausedbyaDDL...

IT技术学习 ·2023-07-08

ORA-01566: file specified more than once in ALTER DATABASE

文档解释ORA-01566:filespecifiedmorethanonceinALTERDATABASECause:Thelistoffilessuppliedtothecommandcontainedatleastoneduplicate.Action:Removetheduplicatefilespecific...

IT技术学习 ·2023-07-08

ORA-02167: LOGFILE clause specified more than once

文档解释ORA-02167:LOGFILEclausespecifiedmorethanonceCause:TheCREATEDATABASEcommandcontainsmorethanoneLOGFILEclause.Action:SpecifyatmostoneLOGFILEclause.。此错误指示您已经两次为...

IT技术学习 ·2023-07-08

ORA-12994: drop column option only allowed once in statement

文档解释ORA-12994:dropcolumnoptiononlyallowedonceinstatementCause:Anattemptwasmadetorepeatthedropcolumnoptioninasinglestatement.Action:Separatedropcolumnoptionsinto...

IT技术学习 ·2023-07-08