A very common map people want to make is one that shows how two datasets are associated to one another. It used to be a pretty hard map to make and taking a bit more patience to pull off. With the latest release of CartoDB, we've made it insanely easy, so I wanted to show it to you now. This video will show you how to,

1. Upload a dataset to CartoDB
2. Create a visualization from your data
3. Combine multiple datasets into a single visualization
4. Perform a small query to draw links across the datasets
5. Publish your visualization

I hope you enjoy. The SQL I used in the query is,


The data I used was downloaded from,



citibikenyc.com/stations/json (you will need to convert json to csv)

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