# ODBC drivers in Polybase - Issue creating an external table with mismatched metadata

**URL:** <https://community.cdata.com/t/odbc-drivers-in-polybase-issue-creating-an-external-table-with-mismatched-metadata/381>\
**Category:** Data Sources\
**Tags:** article, api-driver, polybase\
**Created:** [September 6, 2023, 9:05pm UTC](https://community.cdata.com/t/odbc-drivers-in-polybase-issue-creating-an-external-table-with-mismatched-metadata/381 "2023-09-06T21:05:40Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![LaurenH](https://avatars.discourse-cdn.com/v4/letter/l/ecae2f/32.png) [@LaurenH](https://community.cdata.com/u/LaurenH)\
**Post date:** [September 6, 2023, 9:05pm UTC](https://community.cdata.com/t/odbc-drivers-in-polybase-issue-creating-an-external-table-with-mismatched-metadata/381/1 "2023-09-06T21:05:40Z")

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An error will be thrown when the column metadata defined in the CREATE EXTERNAL TABLE statement does not match the driver’s reported column metadata in the source table. The error will detail which columns are mismatched.