This is also useful to find appropriate data types for temporary variables while porting stored procedures and triggers.
这也有助于在迁移存储过程和触发器时为临时变量选择合适的数据类型。
You are also able to specify data types for variables, input parameters, return values from functions, user-defined functions and templates.
你可以可以为变量指明数据类型，输入参数，来自函数的返回值，用户自定义函数以及模板。
Conservative binding semantics exist for global variables as they do for functions and data types whenever necessary.
在对函数和数据类型使用全局变量时，必要时可以使用保守的绑定语义。
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