Before you beginīefore you begin, gather this connection information: Setting an Oracle Connection to Use TNSNames.ora or LDAP.ora. Note: Beginning with Tableau 2020.2, if you want to publish a data source or workbook using net_service_names to Tableau Server, be sure to review the changes described in the Knowledge Base article,
To an Oracle database and set up the data source. This article describes how to connect Tableau
