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ORA-00001: unique constraint violated异常处理

程序中保存数据时报错，ORA-00001:uniqueconstraint(xxxx)violated先是查看数据库结构，最近也没什么改动，开发环境也正常，测试环境就报这个错后来发现主键id是自增的，查询序列的下个值 selecttable_seq.nextval fromdual发现这...

开发笔记 ·2023-10-10

如何使用MySQL全文索引实现关键词高亮（详细教程）

1.什么是MySQL全文索引MySQL全文索引是MySQL中的一种索引类型，可以用于快速的搜索和匹配文本数据。与普通的索引不同，全文索引可以快速地匹配文本中的单词和短语，而不是仅仅匹配整个字段。2.如何创建MySQL全文索引要使用MySQL全文索引，我们首先需要在表中创建一个全文索引。创建全文索引需要满足以下几个条件：...

开发笔记 ·2023-08-15

ChatGPT Signup is currently unavailable错误提示解决方法

问题介绍：1、账号注册阶段出现的提示：Signupiscurrentlyunavailable,pleasetryagainlater2、翻译过来错误原因是：注册当前不可用，请稍后再试，是一个比较常见的报错内容；解决方法：使用QQ邮箱注册。1、出现这一问题最大的原因是因为邮箱导致的；2、网易以及163邮箱都...

开发笔记 ·2023-08-15

ORA-32415: fast refreshable remote materialized view on a detail table with commit SCN-based materialized view log is not supported

文档解释ORA-32415:fastrefreshableremotematerializedviewonadetailtablewithcommitSCN-basedmaterializedviewlogisnotsupportedCause:Thematerializedviewcreationfailedbeca...

IT技术学习 ·2023-07-28

ORA-41666: XML schema validation failed when validating against string

文档解释ORA-41666:XMLschemavalidationfailedwhenvalidatingagainststringCause:TheuserinputhasundefinedelementorattributeaccordingtotheprovidedXMLschemadefinition.Acti...

IT技术学习 ·2023-07-28

ORA-31181: PL/SQL DOM handle accesses node that is no longer available

文档解释ORA-31181:PL/SQLDOMhandleaccessesnodethatisnolongeravailableCause:Thespecifiedpl/sqlhandleisreferencinganodeinaDOMDocumentthatisnolongeravailable.Action:Ens...

IT技术学习 ·2023-07-28

ORA-30005: missing or invalid WAIT interval

文档解释ORA-30005:missingorinvalidWAITintervalCause:Anon-zerointegermustbespecifiedforwaitinterval(inseconds)aftertheWAITkeyword.Action:Correctthesyntaxandretry.ORA...

IT技术学习 ·2023-07-28

ORA-48192: OS command to move a file failed

文档解释ORA-48192:OScommandtomoveafilefailedCause:TheOScommandtomoveafilefailed.Action:Checktheerrornumberassociatedwiththemovefile.ORA-48192:OScommandtomoveafilefa...

IT技术学习 ·2023-07-28

ORA-25127: RELY not allowed in NOT NULL constraint

文档解释ORA-25127:RELYnotallowedinNOTNULLconstraintCause:AnattempttosetRELYonforNOTNULLconstraint.Action:onlyNORELYmaybespecifiedforaNOTNULLconstraint.ORA-25127是一个O...

IT技术学习 ·2023-07-28

ORA-28045: SSL authentication between database and OID failed

文档解释ORA-28045:SSLauthenticationbetweendatabaseandOIDfailedCause:ServerfailedtoauthenticateitselftotheDirectory.Action:Makesurethesqlnet.orausedispointingtothewa...

IT技术学习 ·2023-07-28

ORA-30027: Undo quota violation – failed to get string (bytes)

文档解释ORA-30027:Undoquotaviolation–failedtogetstring(bytes)Cause:theamountofundoassignedtotheconsumergroupofthissessionhasbeenexceeded.Action:askDBAtoincrea...

IT技术学习 ·2023-07-28

ORA-29291: file remove operation failed

文档解释ORA-29291:fileremoveoperationfailedCause:Afiledeletionattemptwasrefusedbytheoperatingsystem.Action:Verifythatthefileexistsanddeleteprivilegesgrantedonthedir...

IT技术学习 ·2023-07-28

ORA-28117: integrity constraint violated – parent record not found

文档解释ORA-28117:integrityconstraintviolated–parentrecordnotfoundCause:trytoupdate/insertachildrecordwithnewforeignkeyvalues,butthecorrespondingparentrowisno...

IT技术学习 ·2023-07-28

ORA-30731: scope constraint not allowed on nested table column when the nested table is being created

文档解释ORA-30731:scopeconstraintnotallowedonnestedtablecolumnwhenthenestedtableisbeingcreatedCause:Anattemptwasmadetodefineascopeconstraintonanestedtablecolumnwhen...

IT技术学习 ·2023-07-28

ORA-27037: unable to obtain file status

文档解释ORA-27037:unabletoobtainfilestatusCause:statsystemcallreturnedanerror,additionalinformationindicateswhichfunctionencounteredtheerrorAction:checkerrnoORA-270...

IT技术学习 ·2023-07-28