train主题的文章列表，还有train的技术要点_第6页

ORA-22958: This operation is not allowed in check constraints or triggers

文档解释ORA-22958:ThisoperationisnotallowedincheckconstraintsortriggersCause:AninvalidoperationisusedinacheckconstraintortriggerAction:DonotusetheoperationORA-22958...

IT技术学习 ·2023-07-08

ORA-02439: Unique index on a deferrable constraint is not allowed

文档解释ORA-02439:UniqueindexonadeferrableconstraintisnotallowedCause:attemptedtoenableadeferrableprimarykey/uniqueconstraintthathasanexistinguniqueindexontheconstr...

IT技术学习 ·2023-07-08

ORA-02333: cannot create constraints on attributes of this column

文档解释ORA-02333:cannotcreateconstraintsonattributesofthiscolumnCause:Anattemptwasmadetocreateaconstraintonanattributeofanobjecttypecolumn.Action:Removetheconstrai...

IT技术学习 ·2023-07-08

ORA-02292: integrity constraint (string.string) violated – child record found

文档解释ORA-02292:integrityconstraint(string.string)violated–childrecordfoundCause:attemptedtodeleteaparentkeyvaluethathadaforeignkeydependency.Action:deleted...

IT技术学习 ·2023-07-08

ORA-02291: integrity constraint (string.string) violated – parent key not found

文档解释ORA-02291:integrityconstraint(string.string)violated–parentkeynotfoundCause:Aforeignkeyvaluehasnomatchingprimarykeyvalue.Action:Deletetheforeignkeyora...

IT技术学习 ·2023-07-08

ORA-02431: cannot disable constraint (string) – no such constraint

文档解释ORA-02431:cannotdisableconstraint(string)–nosuchconstraintCause:thenamedconstraintdoesnotexistforthistable.Action:Obvious此错误表明系统没有指定的约束，而Oracle无法为不存在的...

IT技术学习 ·2023-07-08

ORA-26711: remote table does not contain a primary key constraint

文档解释ORA-26711:remotetabledoesnotcontainaprimarykeyconstraintCause:Themastertableforremoteapplydoesnotconstainaprimarykeyconstraintortheprimarykeyconstrainthasbe...

IT技术学习 ·2023-07-08

ORA-02274: duplicate referential constraint specifications

文档解释ORA-02274:duplicatereferentialconstraintspecificationsCause:Self-evident.Action:Removetheduplicatespecification.。ORA-02274说明在两个参考约束日志之间重复了一些语句，导致系统在编译它们时出现了...

IT技术学习 ·2023-07-08

ORA-22898: existing scope clause on “string” points to a table other than the one mentioned in the referential constraint

文档解释ORA-22898:existingscopeclauseon“string”pointstoatableotherthantheonementionedinthereferentialconstraintCause:Tablementionedinthereferentialinteg...

IT技术学习 ·2023-07-08

ORA-30734: cannot specify scope constraint on ref column with rowid

文档解释ORA-30734:cannotspecifyscopeconstraintonrefcolumnwithrowidCause:AnattemptwasmadetospecifyscopeconstraintonaREFcolumnwiththerowidconstraint.Action:Removethes...

IT技术学习 ·2023-07-08

ORA-02264: name already used by an existing constraint

文档解释ORA-02264:namealreadyusedbyanexistingconstraintCause:Thespecifiedconstraintnamehastobeunique.Action:Specifyauniqueconstraintnamefortheconstraint.ORA-02264:是...

IT技术学习 ·2023-07-08

ORA-02438: Column check constraint cannot reference other columns

文档解释ORA-02438:ColumncheckconstraintcannotreferenceothercolumnsCause:attemptedtodefineacolumncheckconstraintthatreferencesanothercolumn.Action:defineitasatablech...

IT技术学习 ·2023-07-08

ORA-14128: FOREIGN KEY constraint mismatch in ALTER TABLE EXCHANGE PARTITION

文档解释ORA-14128:FOREIGNKEYconstraintmismatchinALTERTABLEEXCHANGEPARTITIONCause:ThecorrespondingcolumnsinthetablesspecifiedintheALTERTABLEEXCHANGEPARTITIONstatemen...

IT技术学习 ·2023-07-08

ORA-02294: cannot enable (string.string) – constraint changed during validation

文档解释ORA-02294:cannotenable(string.string)–constraintchangedduringvalidationCause:WhileoneDDLstatementwasattemptingtoenablethisconstraint,anotherDDLchanged...

IT技术学习 ·2023-07-08

ORA-02430: cannot enable constraint (string) – no such constraint

文档解释ORA-02430:cannotenableconstraint(string)–nosuchconstraintCause:thenamedconstraintdoesnotexistforthistable.Action:Obvious这是一个ORA-02430错误，指的是无法启用一个约束（通常...

IT技术学习 ·2023-07-08