Supported SQL databases: PostgreSQL, MySQL, MS SQL Server.
D3.js visualizations often use CSV data files that are loaded into browser. In this article, we walk you through how to connect to SQL database on vida.io and use D3.js to visualize the data.
The database contains data for view activities of website. We use calendar heatmap to visualize the frequency during months. The raw data table has 3 columns: views, created_at, and updated_at.
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