Hi, i could do directly in tableau, using "Custom SQL Query" ([login to view URL])
I am an experienced Tableau designer. I work with international Organisms: UNDP, [login to view URL], and public sector.
I was contracted to develop dashboards with maps (CSV, excel and ESRI shape datasouces), related to pandemics, earthquakes, flood monitoring and Multi Hazard Early Warning Systems.
Also i worked with mobile location data and data ETL with Talend Open Studio.