relations主题的文章列表，还有relations的技术要点_第1页

ORA-30354: Query rewrite not allowed on SYS relations

文档解释ORA-30354:QueryrewritenotallowedonSYSrelationsCause:ASYSrelationwasreferencedintheselectclauseforamaterializedviewwithqueryrewriteenabled.Action:Removethere...

IT技术学习 ·2023-07-18

ORA-13064: relationship information table has inconsistent data for feature table [string]

文档解释ORA-13064:relationshipinformationtablehasinconsistentdataforfeaturetable[string]Cause:Thetopology_id,tg_layer_idvaluesstoredinthefeaturetabledidnotmatchthev...

IT技术学习 ·2023-07-17

ORA-13063: relationship information table is missing data for feature table [string]

文档解释ORA-13063:relationshipinformationtableismissingdataforfeaturetable[string]Cause:Thetopologyrelationshipinformationtable(xxx_RELATION$)didnothavethematchingp...

IT技术学习 ·2023-07-16

ORA-48936: The number of relations exceeds maximum number [string]

文档解释ORA-48936:Thenumberofrelationsexceedsmaximumnumber[string]Cause:ToomanyrelationslistedAction:Reducethenumber官方解释ORA-48936是一种数据库表空间异常，当使用的表空间使用大小超过其允许的最大大小时，...

IT技术学习 ·2023-07-11

PostgreSQL ----- No relations found.

本篇文章可能有错，尚未细细研究运行d出错：Norelationsfound.d只显示可见的表，也就是该数据库的schema在search_path中。SHOWsearch_path;如果没有，设置一下：SETsearch_path=tran;其中tran是要查询的schema。如果d仍然出错，查看一下访问权...

代码星球 ·2021-02-21

bug之needs to have a value for field "id" before this many-to-many relationship can be used.

一、环境配置　　操作系统：WIndows64　　django版本：3.0.3　　数据库：mysql二、报错代码c=Category()c.name=cleaned_data.get("name")c.brief=cleaned_data.get("brief")c.author.add(User.objects.get...

代码星球 ·2020-06-14