evel主题的文章列表，还有evel的技术要点_第1页

事务隔离级别(IsolationLevel)

事务的特性（ACID）1、原子性（Atomicity）　　事物是数据库的逻辑工作单位，事务中的诸多操作要么全做要么全不做2、一致性（Consistency）　　事务执行结果必须是使数据库从一个一致性状态变到另一个一致性状态3、隔离性（Isolation）　　一个数据的执行不能被其他事务干扰4、持续性/永久性（Durab...

开发笔记 ·2024-09-02

ORA-30364: this level has the same set of columns as another

文档解释ORA-30364:thislevelhasthesamesetofcolumnsasanotherCause:Theleveldefinitioncontainedthesamesetofcolumnsasanotherlevel.Action:Eliminatetheredundantleveldefini...

IT技术学习 ·2023-07-28

ORA-32335: dimension must have at least one level

文档解释ORA-32335:dimensionmusthaveatleastonelevelCause:Anlevel-lessdimensionisnotallowed.Action:Donotdroptheonlylevelofadimension.ORA-32335:dimensionmusthaveatleas...

IT技术学习 ·2023-07-28

ORA-04077: WHEN clause cannot be used with table level triggers

文档解释ORA-04077:WHENclausecannotbeusedwithtableleveltriggersCause:Thewhenclausecanonlybespecifiedforrowleveltriggers.Action:Removethewhenclauseorspecifyforeachrow...

IT技术学习 ·2023-07-28

ORA-54529: geometry should have multi-level hierarchy (like triangle)

文档解释ORA-54529:geometryshouldhavemulti-levelhierarchy(liketriangle)Cause:Thegeometrydidnothavethemulti-levelhierarchyrequiredforthisoperation.Forexample,ifthepar...

IT技术学习 ·2023-07-28

ORA-32037: unsupported use of LEVEL in membership condition

文档解释ORA-32037:unsupporteduseofLEVELinmembershipconditionCause:AnattemptwasmadetouseLEVELinmembershipconditionwithsubquerythatisnotsupported.Action:Rewritequeryt...

IT技术学习 ·2023-07-28

ORA-24760: invalid isolation level flags

文档解释ORA-24760:invalidisolationlevelflagsCause:Aninvalidisolationlevelflagwaspassed.Action:Verifythatonlyoneoffollowingvalues–OCI_TRANS_READONLY,OCI_TRANS_...

IT技术学习 ·2023-07-27

ORA-29472: DBMS_SQL.OPEN_CURSOR failed. security_level is outside the valid range of 0 to 2

文档解释ORA-29472:DBMS_SQL.OPEN_CURSORfailed.security_levelisoutsidethevalidrangeof0to2Cause:Aninvalidsecurity_levelvaluewasspecified.Action:Specifyavalidrangeof0to...

IT技术学习 ·2023-07-27

ORA-53802: cannot perform conformance validation because recursion level exceeds MAX_RECURSION_DEPTH

文档解释ORA-53802:cannotperformconformancevalidationbecauserecursionlevelexceedsMAX_RECURSION_DEPTHCause:WhenevaluatingtherecursiveconstraintontheDICOMobject,thenum...

IT技术学习 ·2023-07-27

ORA-32045: maximum level of recursion reached while executing recursive WITH query

文档解释ORA-32045:maximumlevelofrecursionreachedwhileexecutingrecursiveWITHqueryCause:ArecursiveWITHqueryreachedthemaximumlevelofrecursionspecifiedandwasstopped.Act...

IT技术学习 ·2023-07-26

ORA-56706: The specified Resource Manager plan is a subplan and cannot be set as a top-level plan

文档解释ORA-56706:ThespecifiedResourceManagerplanisasubplanandcannotbesetasatop-levelplanCause:Anattemptwasmadetosetasubplanasatop-levelplan.Action:Donotattempttose...

IT技术学习 ·2023-07-26

ORA-55208: Too many matching levels were found for the input data

文档解释ORA-55208:ToomanymatchinglevelswerefoundfortheinputdataCause:Necessaryfieldvaluesweremissing.Action:Addadditionalfieldvaluepairsthatarenecessarytodeterminea...

IT技术学习 ·2023-07-26

ORA-30337: multiple JOIN KEY clauses specified for the same parent level

文档解释ORA-30337:multipleJOINKEYclausesspecifiedforthesameparentlevelCause:MultipleJOINKEYclauseswerespecifiedforagivenparentlevelinadimensionhierarchy.Action:Matc...

IT技术学习 ·2023-07-26

ORA-23480: Column string is not a top-level column of “string”.”string”.

文档解释ORA-23480:Columnstringisnotatop-levelcolumnof“string”.”string”.Cause:Thecolumniseithernotatop-levelcolumnorisnotpresentinthetableorm...

IT技术学习 ·2023-07-26

ORA-13042: invalid SDO_LEVEL and SDO_NUMTILES combination

文档解释ORA-13042:invalidSDO_LEVELandSDO_NUMTILEScombinationCause:AninvalidcombinationofSDO_LEVELandSDO_NUMTILESvalueswasreadfromthe_SDOLAYERtable.Themostlikelycaus...

IT技术学习 ·2023-07-26