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The article explains how to choose and implement routing keys for database sharding in an order platform, covering time‑based and business‑related keys, user and merchant scenarios, hash‑mod routing strategies, and the complete data flow with diagrams.
The article explains how to choose and implement routing keys for database sharding in an online food ordering system, covering supported scenarios, user‑side and merchant‑side keys, single‑ and multi‑database strategies, and the impact on data distribution and query efficiency.
The article explains how to choose and implement routing keys after database sharding for an online food ordering system, covering supported scenarios, hash‑based routing strategies for both user and merchant sides, multi‑database/table selection, and practical data‑flow diagrams.