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Version: Python

Join data

Joining data from multiple tables is vital in any data system. Deephaven offers several options depending on your use case.

Deephaven join methods combine the data in one table (the "left" table) with the data in another table (the "right" table) based on keys. The keys are the columns that are used to match rows between the tables.


Joins update in real time as new data becomes available. Generally, they fall into one of two categories: