Then it updates the employee name in the employee table using the identifier field, which is the primary key for this table.

最后使用field字段(该表的主键)更新employee表中的雇员名称。

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The table has five fields: name, description, ingredients, instructions, and a fifth field that is a unique identifier that the Rails infrastructure automatically maintains.

包含五个字段：name、description、ingredients、instructions，还有一个字段是 Rails 基础设施自动维护的唯一标识符。

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