# Mpp (Continue...)
__*MPP Data Exchange*__

![left](./student-guide/diagram/MPP04_en_001_20220512.png)

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Each TiFlash node exchanges data. Assuming that the hash (pid) of the orders table and the products table are equal to the hash (pid) of the products table is exchanged into the same TiFlash node according to the hash function of PID.