Tableau Desktop no puede conectarse a MySQL en referencia a una falta de controladores a pesar de que se instaló el controlador:
Asegúrese de que sus componentes Microsoft Data Access Components (MDAC) estén actualizados. Puede obtener la versión más reciente en Microsoft Data Access Components (MDAC)
Asegúrese de que Visual C++ Redistributable para Visual Studio (VC++ Runtime 2015) esté instalado.
Utilice la versión de 64 bits (con la marca "x64" en el nombre de archivo y el título del paquete): https://support.microsoft.com/es-es/help/2977003/the-latest-supported-visual-c-downloads
Si 1 y 2 no funcionan, desinstale y vuelva a instalar el controlador más reciente: https://dev.mysql.com/downloads/connector/odbc/ (Windows, 64-bit, MSI).
Si 3 no funciona, desinstale el controlador 8.0. Instale el controlador 5.3.13 desde aquí: https://downloads.mysql.com/archives/c-odbc/
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