How to connect D3 visualizations with SQL queries in Observable

Learn how to swiftly connect D3 visualizations with SQL queries in Observable, which will empower you to refine your visualizations using SQL code. Observable lets you treat any tabular data — whether from databases, CSVs, or JSON — as a SQL database using DuckDB. You can streamline your D3 visualization process and iterate using SQL code, which brings efficiency to your data viz.