Plotly connects to SQL databases through our partnership with Alation.
Plotly's integration with Alation increases analyst productivity by helping analysts to more quickly find, understand and query data stored in relational databases, Hadoop files or BI semantic layers. Alation delivers the industry's first data catalog built for collaboration. Visit the Alation Alation to learn more.
You can also import database data into Plotly with Python or R - see our tutorials on Modern Data.