Cas主题的文章列表，还有Cas的技术要点_第1页

CAS是什么？在Java中有哪些应用场景？

在Java中，CAS是一种缩写，它代表“CompareandSwap”（比较并交换）或“CompareandSet”（比较并设置），是一种多线程编程中用于实现同步操作的技术。CAS操作通常用于解决多线程环境下的并发问题，特别是在多个线程尝试同时修改共享资源时。Java中广...

开发笔记 ·2024-10-08

什么是EdgeCast

EdgeCast简介EdgeCast是一种网络技术，主要用于在边缘计算环境中进行数据传输和处理，边缘计算是指在靠近数据产生源（例如用户设备、传感器等）的网络边缘进行数据处理和分析，以减少数据传输延迟，提高响应速度，降低中心服务器的负载。 EdgeCast的主要特点低延迟：通过在网络边缘进行数据处理，EdgeC...

开发笔记 ·2024-10-05

ORA-14657: cannot cascade row migration to reference-partitioned child table

文档解释ORA-14657:cannotcascaderowmigrationtoreference-partitionedchildtableCause:Updateofaparentkeymayrequiremigrationofrowsinreference-partitionedchildtables,howe...

IT技术学习 ·2023-07-26

ORA-32036: unsupported case for inlining of query name in WITH clause

文档解释ORA-32036:unsupportedcaseforinliningofquerynameinWITHclauseCause:Thereisatleastonequerynamewhichisinlinedmorethanoncebecauseitsdefinitionqueryistoosimpleand...

IT技术学习 ·2023-07-26

ORA-40022: null case ID column – cannot provide row diagnostics in string

文档解释ORA-40022:nullcaseIDcolumn–cannotproviderowdiagnosticsinstringCause:Arowdiagnosticstablenamewasprovided,butwithoutacorrespondingcaseorrowidentifiercol...

IT技术学习 ·2023-07-26

ORA-22833: Must cast a transient type to a persistent type

文档解释ORA-22833:MustcastatransienttypetoapersistenttypeCause:Anattemptwasmadetousethetransienttypeinthequeryresult.Action:Castthetransienttypetoastructurallyequiv...

IT技术学习 ·2023-07-26

ORA-40233: transactional input – case id should be provided with id string

文档解释ORA-40233:transactionalinput–caseidshouldbeprovidedwithidstringCause:Thetrainingdataistransactionalbyvirtueofpresenceofaanditemid–butdoesnothave...

IT技术学习 ·2023-07-26

ORA-22346: Type has cyclical dependency. Should use CASCADE option

文档解释ORA-22346:Typehascyclicaldependency.ShoulduseCASCADEoptionCause:Anattemptwasmadetoalteratypewhichhasacyclicaldependency,withinvalidateoption.Action:GiveCASC...

IT技术学习 ·2023-07-26

ORA-24121: both cascade and a block range passed to DBMS_REPAIR.CHECK_OBJECT procedure

文档解释ORA-24121:bothcascadeandablockrangepassedtoDBMS_REPAIR.CHECK_OBJECTprocedureCause:BothcascadeandablockrangewerespecifiedinacalltoDBMS_REPAIR.CHECK_OBJECT.Ac...

IT技术学习 ·2023-07-22

ORA-55504: Transaction conflicts in NOCASCADE mode

文档解释ORA-55504:TransactionconflictsinNOCASCADEmodeCause:Transactionsotherthantheonesspecifiedconflictswiththespecifiedtransactions.Action:Tryusingotheroptionslik...

IT技术学习 ·2023-07-18

Cassandra 0.6 发布-下载

　Cassandra 官方发布了Cassandra0.6下载地址，对这个混合型非关系数据库感兴趣的朋友可以去官方下载最新的Cassandra0.6 试用。　　Cassandra 从某种程度上说，不算是一个数据库。Cassandra类似于Google的BigTable。Cassa...

开发笔记 ·2023-07-17

ORA-22907: invalid CAST to a type that is not a nested table or VARRAY

文档解释ORA-22907:invalidCASTtoatypethatisnotanestedtableorVARRAYCause:AttemptedtoCASTtoatypethatisnotanestedtableorVARRAYAction:Re-specifyCASTtoanestedtableorVARRA...

IT技术学习 ·2023-07-16

ORA-22338: must specify CASCADE INCLUDING DATA when altering the final property

文档解释ORA-22338:mustspecifyCASCADEINCLUDINGDATAwhenalteringthefinalpropertyCause:Anattemptwasmadetoalterthefinalpropertyofatypewithdependenttable(s)withoutspecify...

IT技术学习 ·2023-07-16

ORA-19241: XPDY0021 – cast to type string failed

文档解释ORA-19241:XPDY0021–casttotypestringfailedCause:Thevalueinsideacastexpressioncouldnotbecasttotherequiredtype.Action:Fixtheinputtothecastexpressiontobeo...

IT技术学习 ·2023-07-16

ORA-24126: invalid CASCADE_FLAG passed to DBMS_REPAIR.string procedure

文档解释ORA-24126:invalidCASCADE_FLAGpassedtoDBMS_REPAIR.stringprocedureCause:CASCADE_FLAGwasspecifiedforanobjectthatisnotatable.Action:UseCASCADE_FLAGonlyfortables...

IT技术学习 ·2023-07-13