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Java中的main（）方法是强制性的吗？
"main()"方法是Java程序的入口点，它提供了程序的初始化、参数传递、控制流程和返回值等功能，是Java程序运行的基础。...
开发笔记 ·2024-09-03

pycharm运行时，can t find __main__ module in ... ... 的问题解决
 在运行pycharm时遇到：can’tfind‘main’modulein‘’报错（如图），是因为未配置要运行哪个.py文件导致的。  我们可以通过两种方式解决该问题：1.直接右击，然后run当前的.py文件即可。 2...
开发笔记 ·2024-08-13

ORA-29953: cannot issue DDL on a domain index partition marked as FAILED
文档解释ORA-29953:cannotissueDDLonadomainindexpartitionmarkedasFAILEDCause:TriedtoissueaDROP/ALTERonadomainindexpartitioninaFAILEDstate.Action:doALTERINDEXREBUILDPA...
IT技术学习 ·2023-07-28

ORA-29846: cannot create a local domain index on a string partitioned table
文档解释ORA-29846:cannotcreatealocaldomainindexonastringpartitionedtableCause:Userspecifiedacreatelocaldomainindexstatementonatablepartitionedusingamethodnotsupport...
IT技术学习 ·2023-07-28

ORA-38433: index “string” could not be maintained due to “string”
文档解释ORA-38433:index“string”couldnotbemaintaineddueto“string”Cause:Theerrorwascausedbytherecursiveoperation.Action:Fixtheerrorandretry.OR...
IT技术学习 ·2023-07-28

ORA-39294: Cannot alter indextype of domain index.
文档解释ORA-39294:Cannotalterindextypeofdomainindex.Cause:DBMS_METADATA_DIFFwascomparingtwobitmapdomainindexeswithdifferentindextypes.ThereisnoSQLALTERstatementtoal...
IT技术学习 ·2023-07-28

ORA-29851: cannot build a domain index on more than one column
文档解释ORA-29851:cannotbuildadomainindexonmorethanonecolumnCause:Userattemptedtobuildadomainindexonmorethanonecolumn.Action:Buildthedomainindexonlyonasinglecolumn....
IT技术学习 ·2023-07-28

ORA-13546: Error encountered during maintenance of Adaptive Thresholds
文档解释ORA-13546:ErrorencounteredduringmaintenanceofAdaptiveThresholdsCause:ErroroccurredduringOCIoperationduetounderlyingerror.Action:CheckassociatedOCIerror.Corr...
IT技术学习 ·2023-07-26

ORA-29860: cannot truncate a table with domain indexes marked LOADING
文档解释ORA-29860:cannottruncateatablewithdomainindexesmarkedLOADINGCause:ThetablehasdomainindexesdefinedonitthataremarkedLOADING.Action:WaittoseeiftheongoingindexD...
IT技术学习 ·2023-07-26

ORA-29857: domain indexes and/or secondary objects exist in the tablespace
文档解释ORA-29857:domainindexesand/orsecondaryobjectsexistinthetablespaceCause:Anattemptwasmadetodropatablespacewhichcontainssecondaryobjectsand/ordomainindexes.Act...
IT技术学习 ·2023-07-26

ORA-29864: analyzing domain indexes marked LOADING/FAILED not supported
文档解释ORA-29864:analyzingdomainindexesmarkedLOADING/FAILEDnotsupportedCause:TriedtoanalyzeadomainindexwhichwasmarkedasLOADINGorFAILED.Action:IftheindexwasmarkedLO...
IT技术学习 ·2023-07-26

ORA-13659: A directive with domain “string” and name “string” already exists for advisor string.
文档解释ORA-13659:Adirectivewithdomain“string”andname“string”alreadyexistsforadvisorstring.Cause:Thespecifieddirectiveisnotuniqueamongthedir...
IT技术学习 ·2023-07-26

ORA-14633: Index maintainence clause not allowed for ADD list subpartition to a Composite partitioned table
文档解释ORA-14633:IndexmaintainenceclausenotallowedforADDlistsubpartitiontoaCompositepartitionedtableCause:TheclauseINVALIDATEorUPDATEGLOBALINDEXESisallowedonlyforA...
IT技术学习 ·2023-07-26

ORA-29939: could not implicitly transform user-managed domain index to system-managed domain index
文档解释ORA-29939:couldnotimplicitlytransformuser-manageddomainindextosystem-manageddomainindexCause:Implicitvalidationofauser-manageddomainindexwithasystem-managed...
IT技术学习 ·2023-07-26

ORA-28047: database is not a member of any enterprise domain in OID
文档解释ORA-28047:databaseisnotamemberofanyenterprisedomaininOIDCause:AnenterpriseuserloginwasattemptedonadatabasethatisnotamemberofanyenterprisedomaininOID.Action:...
IT技术学习 ·2023-07-26
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