virtual主题的文章列表，还有virtual的技术要点_第2页

ORA-54022: Virtual column expression cannot be changed because an index is defined on column

文档解释ORA-54022:VirtualcolumnexpressioncannotbechangedbecauseanindexisdefinedoncolumnCause:Attemptedtochangetheexpressionofavirtualcolumnthatwasindexed.Action:Alt...

IT技术学习 ·2023-07-19

ORA-55443: a virtual model cannot be used with a rulebase in a SEM_MATCH query

文档解释ORA-55443:avirtualmodelcannotbeusedwitharulebaseinaSEM_MATCHqueryCause:ArulebasewasspecifiedinconjunctionwithavirtualmodelasinputtoaSEM_MATCHquery.Action:Cr...

IT技术学习 ·2023-07-19

ORA-54020: Virtual column expression cannot be changed because it is a subpartitioning column

文档解释ORA-54020:VirtualcolumnexpressioncannotbechangedbecauseitisasubpartitioningcolumnCause:Attemptedtomodifytheexpressionofavirtualcolumnthatwasalsoasubpartitio...

IT技术学习 ·2023-07-18

ORA-54027: cannot modify data-type of virtual column

文档解释ORA-54027:cannotmodifydata-typeofvirtualcolumnCause:Attemptedtochangethedata-typeofvirtualcolumnwithoutmodifyingtheunderlyingexpressionAction:changetheunder...

IT技术学习 ·2023-07-18

ORA-55334: virtual model name string is invalid

文档解释ORA-55334:virtualmodelnamestringisinvalidCause:Thespecifiedvirtualmodelnamewasnotvalid.Action:CheckOracledocumentationforvalidvirtualmodelnames.ORA-55334:vi...

IT技术学习 ·2023-07-17

ORA-54012: virtual column is referenced in a column expression

文档解释ORA-54012:virtualcolumnisreferencedinacolumnexpressionCause:ThisvirtualcolumnwasreferencedinanexpressionofanothervirtualcolumnAction:Ensurethecolumnexpressi...

IT技术学习 ·2023-07-17

ORA-54013: INSERT operation disallowed on virtual columns

文档解释ORA-54013:INSERToperationdisallowedonvirtualcolumnsCause:AttemptedtoinsertvaluesintoavirtualcolumnAction:Re-issuethestatmentwithoutprovidingvaluesforavirtua...

IT技术学习 ·2023-07-16

ORA-30986: XML Index with more than one virtual column is disallowed

文档解释ORA-30986:XMLIndexwithmorethanonevirtualcolumnisdisallowedCause:AnattemptwasmadetocreateanXMLIndexwithmorethanonevirtualcolumn.Action:Createonlyonevirtualco...

IT技术学习 ·2023-07-16

ORA-09740: slsget: cannot get virtual memory region statistics.

文档解释ORA-09740:slsget:cannotgetvirtualmemoryregionstatistics.Cause:Thevm_regionsystemcallfailedtogetvirualmemoryregionstatistics.Action:Checkreturncodeinsercerrn...

IT技术学习 ·2023-07-16

ORA-54029: Virtual column cannot be updated in trigger body

文档解释ORA-54029:VirtualcolumncannotbeupdatedintriggerbodyCause:Attemptedtochangethevalueofvirtualcolumninatriggerbody”Action:Thisisnotvalid,changethetrigger...

IT技术学习 ·2023-07-16

ORA-30985: The virtual XMLType column for chaining is missing

文档解释ORA-30985:ThevirtualXMLTypecolumnforchainingismissingCause:ThevirtualXMLTypecolumnforchainingwasmissingwhencreatingastructuredXMLindex.Action:AvirtualXMLTyp...

IT技术学习 ·2023-07-16

ORA-28083: A redacted column was referenced in a virtual column expression.

文档解释ORA-28083:Aredactedcolumnwasreferencedinavirtualcolumnexpression.Cause:Thisredactedcolumnwasreferencedinavirtualcolumnexpression.Action:Ensurethecolumnexpre...

IT技术学习 ·2023-07-16

ORA-54033: column to be modified is used in a virtual column expression

文档解释ORA-54033:columntobemodifiedisusedinavirtualcolumnexpressionCause:Attemptedtomodifythedatatypeofacolumnthatwasusedinavirtualcolumnexpression.Action:Dropthev...

IT技术学习 ·2023-07-16

ORA-64140: missing chaining XMLTABLE for VIRTUAL column in the index

文档解释ORA-64140:missingchainingXMLTABLEforVIRTUALcolumnintheindexCause:AnattemptwasmadetocreateanXMLindexwithVIRTUALcolumnbutwithoutrequiredchainingXMLTABLE.Actio...

IT技术学习 ·2023-07-16

ORA-12996: cannot drop system-generated virtual column

文档解释ORA-12996:cannotdropsystem-generatedvirtualcolumnCause:Anattemptwasmadetodropavirtualcolumngeneratedbythesystem.Action:None这是一个ORACLE错误，主要提示无法删除系统生成的虚拟列（VIR...

IT技术学习 ·2023-07-13