The message model, which defines the contract between the process and its supporting services, is therefore minimal, based only on a small number of key values.
因此，消息模型(它们定义流程与其支持服务之间的合约)占用的数据非常少，只使用了少量关键值。
How to set primary key with duplicate values based on main primary key?
如何基于主密钥重复值，主键设置？
How to set primary key with duplicate values based on main primary key?
如何基于主密钥重复值，主键设置？
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