Summary/Reported Issue
A Query using an Oracle source fails with error 'ORA-00910: specified length too long for its datatype
Relevant Versions
Dremio 25.x
Cause
This is caused by a defect with the internal reference DX-100064.
Steps to Resolve
Upgrade to a version where the defect is fixed or use the workaround to explictly cast the column to a Dremio varchar.