ORA-13793: invalid comparison metric
文档解释ORA-13793:invalidcomparisonmetricCause:AninvalidmetrictocompareSQLperformancewasspecified.Action:s.Ora-13793是Oracle数据库中一个常见的错误，它表明您正在使用一个无效的比较指标。比较指标是识别哪种操作...
ORA-23629: string.string is not an eligible index on table string.string for comparison
文档解释ORA-23629:string.stringisnotaneligibleindexontablestring.stringforcomparisonCause:Thespecifiedindexwasnotaneligibleindextouseforcomparison.Action:Foratablet...
ORA-23623: internal DBMS_COMPARISON error: [string] [string] [string] [string]
文档解释ORA-23623:internalDBMS_COMPARISONerror:[string][string][string][string]Cause:DBMS_COMPARISONdetectedanerroneousresult.Action:Lookforinformationinthesessiont...
ORA-23624: A comparison operation is currently in progress for string.
文档解释ORA-23624:Acomparisonoperationiscurrentlyinprogressforstring.Cause:Anothersessionwasalreadyperforminganoperationonthisobject.Action:Retrytheoperationonceoth...
ORA-23628: Comparison query too long (actual string, allowed string).
文档解释ORA-23628:Comparisonquerytoolong(actualstring,allowedstring).Cause:Ageneratedqueryforcomparisonwastoolong.Action:Comparisonisunsupportedforverylargetableswi...
ORA-09798: Label comparison failed.
文档解释ORA-09798:Labelcomparisonfailed.Cause:Thecomparisonoftwobinarylabelsfailed.Action:ChecktheUNIXerrornumberforapossibleoperatingsystemfailure.Ifthereisnoerror...
ORA-23627: Comparison object string already existed.
文档解释ORA-23627:Comparisonobjectstringalreadyexisted.Cause:Acomparisonobjectbythespecifiednamealreadyexists.Action:Retrywithadifferentname.ORA-23627错误是由comparison...
C++ code：浮点数的比较（Floating-Pointing Number Comparison）
浮点数可以进行比较，但是浮点数由于表示精度在不同浮点数类型中的差异，所以会被误用。例如：1#include<iostream>2usingnamespacestd;34intmain()5{6floatf1=7.123456789;7floatf2=7.132456875;8cout<<(f1!...
Paris Traceroute
ParisTracerouteisanewversionofthewell-knownnetworkdiagnosisandmeasurementtool.WhyshouldyouuseParistraceroute?Becausetraceroutefailsinthepresenceofroutersthatemp...
Mybatis：java.lang.IllegalArgumentException: invalid comparison: java.util.Date and java.lang.String
原因：对于时间参数进行比较时的一个bug.如果拿传入的时间类型参数与空字符串''进行对比判断则会引发异常。 错误写法： <iftest="updated!=nullandupdated!=''">正确写发： <inftest="updated!=null">...
Velocity中的ComparisonDateTool、MathTool、NumberT...
Velocity中的ComparisonDateTool、MathTool、NumberTool、SortTool、EscapeTool工具可以从Apache官方网站自带的例子中查找，位置velocity-tools-1.4-srcexamplesshowcase。Apache官方网站自带的例子有下面一些：Altern...