1. From Setup, enter External Data Sources in the Quick Find box, then select External Data Sources.
2. Click the name of the external data source.
3. Click Validate and Sync, and confirm that the connection issuccessful.
4. Select tables and clickSync to do the following for each selectedtable.Automatically create aSalesforce external object.Automatically create a customfield for each table column that’s compatible with a Salesforcemetadata field type.
5. Automatically create aSalesforce external object.
6. Automatically create a customfield for each table column that’s compatible with a Salesforcemetadata field type.