Provides relatively stronger typing since it has a fixed set of supported data types.

提供相对较强的类型化能力，因为它拥有一组固定的支持数据类型。

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Each predefined role grants authorization for a fixed set of actions that the user is permitted to perform on this business entity, such as claiming a task or getting the process instance data.

每个预定义的角色都为用户对此业务实体执行一组固定操作授予权限，如声明任务或获取流程实例数据。

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CHAR Stores single-byte or multibyte text strings of fixed length (up to 32,767 bytes); supports code-set order in collation of text data.

CHAR存储固定长度的单字节或多字节的文本字符串(最高可达32,767个字节)；在整理文本数据时支持使用代码集顺序。

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