train主题的文章列表，还有train的技术要点_第5页

ORA-23416: table “string”.”string” does not contain a primary key constraint

文档解释ORA-23416:table“string”.”string”doesnotcontainaprimarykeyconstraintCause:Themastertabledoesnotconstaintaprimarykeyconstraintorthepri...

IT技术学习 ·2023-07-10

ORA-14668: Cannot drop a unique or primary key referenced by the partitioning constraint of a reference-partitioned table.

文档解释ORA-14668:Cannotdropauniqueorprimarykeyreferencedbythepartitioningconstraintofareference-partitionedtable.Cause:Anattemptwasmadetodropauniqueorprimarykeyref...

IT技术学习 ·2023-07-10

ORA-38822: referential integrity constraints not allowed on editioned views

文档解释ORA-38822:referentialintegrityconstraintsnotallowedoneditionedviewsCause:Anattemptwasmadetocreateareferentialintegrityconstrainttoorfromaneditionedvieworena...

IT技术学习 ·2023-07-09

ORA-02331: cannot create constraint on column of datatype string

文档解释ORA-02331:cannotcreateconstraintoncolumnofdatatypestringCause:Anattemptwasmadetocreateaconstraintonacolumnposessinganon-constrainabledatatype—VARRAY,n...

IT技术学习 ·2023-07-09

ORA-02252: check constraint condition not properly ended

文档解释ORA-02252:checkconstraintconditionnotproperlyendedCause:Thespecifiedsearchconditionforthecheckconstraintisnotproperlyended.Action:Endtheconditionproperly.这是...

IT技术学习 ·2023-07-09

ORA-00001: unique constraint (string.string) violated

文档解释ORA-00001:uniqueconstraint(string.string)violatedCause:AnUPDATEorINSERTstatementattemptedtoinsertaduplicatekey.ForTrustedOracleconfiguredinDBMSMACmode,youma...

IT技术学习 ·2023-07-09

ORA-01463: cannot modify column datatype with current constraint(s)

文档解释ORA-01463:cannotmodifycolumndatatypewithcurrentconstraint(s)Cause:Anattemptwasmadetomodifythedatatypeofcolumnwhichhasreferentialconstraints;orhascheckconstr...

IT技术学习 ·2023-07-09

ORA-02253: constraint specification not allowed here

文档解释ORA-02253:constraintspecificationnotallowedhereCause:Constraintspecificationisnotallowedhereinthestatement.Action:Removetheconstraintspecificationfromthesta...

IT技术学习 ·2023-07-09

ORA-30771: Cannot add more than one referential constraint on REF column “string”

文档解释ORA-30771:CannotaddmorethanonereferentialconstraintonREFcolumn“string”Cause:MultiplereferentialconstraintswerespecifiedforasingleREFcolumn.Actio...

IT技术学习 ·2023-07-09

ORA-25961: join index prevents dml cascade constraint operation

文档解释ORA-25961:joinindexpreventsdmlcascadeconstraintoperationCause:Anattempttoexecutedmlresultedintheneedtoperformdmlonanothertablebecauseofacascadeconstraint.Th...

IT技术学习 ·2023-07-08

ORA-40217: priors table mismatched with training data

文档解释ORA-40217:priorstablemismatchedwithtrainingdataCause:Theentriesinthepriorstabledonotcorrespondtothetargetsinthetrainingdata.Action:Verifytheentriesintheprio...

IT技术学习 ·2023-07-08

ORA-53026: failed to insert the constraint string to the database

文档解释ORA-53026:failedtoinserttheconstraintstringtothedatabaseCause:Anerroroccurredwhiletryingtoinserttheconstraintdocumentintothedatabase.Action:ContactOracleSup...

IT技术学习 ·2023-07-08

ORA-02295: found more than one enable/disable clause for constraint

文档解释ORA-02295:foundmorethanoneenable/disableclauseforconstraintCause:acreateoraltertablespecifiedmorethanoneenableand/ordisableclauseforagivenconstraint.Action:...

IT技术学习 ·2023-07-08

ORA-54023: Virtual column expression cannot be changed because a constraint is defined on column

文档解释ORA-54023:VirtualcolumnexpressioncannotbechangedbecauseaconstraintisdefinedoncolumnCause:Attemptedtochangetheexpressionofavirtualcolumnthathadaconstraintdef...

IT技术学习 ·2023-07-08

ORA-02297: cannot disable constraint (string.string) – dependencies exist

文档解释ORA-02297:cannotdisableconstraint(string.string)–dependenciesexistCause:analtertabledisableconstraintfailedbecuasethetablehasforiegnkeysthataredpenden...

IT技术学习 ·2023-07-08