Oracle ORA-00918: Column Ambiguously Defined 1. 解释ORA-00918错误的含义 ORA-00918错误是Oracle数据库中的一个常见错误,其含义是“列定义不明确”。这个错误通常发生在执行SQL查询时,查询中引用了多个表,而这些表包含同名的列,但在查询中没有明确指定这些列来自哪个表。 2. 分析可能导致ORA-00918错误的情况 多...
column ambiguously defined ORA-00918: column ambiguously defined java.sql.SQLException: ORA-00918: column ambiguously defined ORA-00918: column ambiguously defined。中文名称:未明确定义的列! 可能定义了两个相同的列 你找找你后面的t里面是不是有两个相同的列,我也是这个问题,就是多了一个相同的列的查询,...
This raises the same ORA-00918 error, and in my opinion, is a bug in Oracle'sFETCH FIRSTimplementation lukasederaddedT: DefectC: FunctionalityC: DB: OracleP: MediumE: Professional EditionE: Enterprise EditionlabelsMar 8, 2022 lukasederadded this to theVersion 3.17.0milestoneMar 8, 2022 ...
当两表联合查询,选择的列在两表都存在时,就会出现此错,如: SQL>selectid2fromemp a,dept b3wherea.deptid=b.id;selectid*第1行出现错误: ORA-00918: 未明确定义列 以上SQL中,由于id在两表都存在,故而出错。 END
ORA-00918:column ambiguously defined ORA-00918:column ambiguously defined. 原因:使用相同的列被定义重复 SQL>select 1 as cc ,2 as cc from dual; SQL>select * from (select 1 as ,2 as cc from dual); 解决办法:把相同的列名改成不同的列名...
Using Oracle 12C 12.1.0 with latest EF Core 3.1 provider I am mapping to an existing user/schema/database (: and are not in charge of it. I have a contact person that have a contact type. I only have navigation to the ContactType When I ...
简介:column ambiguously defined ORA-00918: column ambiguously defined java.sql.SQLException: ORA-00918: column ambiguously definedORA-00918: column ambiguously defined。 column ambiguously defined ORA-00918: column ambiguously defined java.sql.SQLException: ORA-00918: column ambiguously defined ...
Solved: Hi, I am getting "Oracle: ORA-00918: column ambiguously defined" error while loading data using the Direct Query option from the
This error typically occurs when the same column name exists in a couple tables being joined in your query: Error "ORA-00918: column ambiguously defined" Using Custom SQL | Tableau Software Considering you noted it works fine in a different tool there might be a little bit mor...
1. 报错内容 ErrorCode = 918, SQLState = 23000, Details = ORA-00918: column 'TO_DATE('2023-12-1809:13:45','YYYY-MM-DDHH24:MI:SS')' in field list ambiguously defined 2. 原因 sql中的值重复了,导致Oracle未能明确,列跟哪一列进行对应 ...