ORA-00918: column ambiguously defined in SELECT *

A query’s projection can only have one instance of a given name. As your WHERE clause shows, you have several tables with a column called ID. Because you are selecting * your projection will have several columns called ID. Or it would have were it not for the compiler hurling ORA-00918. The solution is quite simple: you … Read more

ORA-00918: column ambiguously defined in SELECT *

A query’s projection can only have one instance of a given name. As your WHERE clause shows, you have several tables with a column called ID. Because you are selecting * your projection will have several columns called ID. Or it would have were it not for the compiler hurling ORA-00918. The solution is quite simple: you … Read more

ORA-00918: column ambiguously defined in SELECT *

A query’s projection can only have one instance of a given name. As your WHERE clause shows, you have several tables with a column called ID. Because you are selecting * your projection will have several columns called ID. Or it would have were it not for the compiler hurling ORA-00918. The solution is quite simple: you … Read more