field definition

基本解释

Use the CCSID in the field definition.
使用字段定义中的 CCSID。
By default, a column can contain a NULL value, but if you don't want that, you can append the "NOT NULL" postfix to the field definition.
默认情况下，列可以包含 NULL 值，但是，如果不想这样，可以在字段定义中附加“NOT NULL”后缀。
For each field definition, the embedded prompt will be read out and the system will wait for the appropriate response before it moves on to the next field.
对于各个字段定义，嵌入的提示将被读出，并且系统将等待适当的响应，然后再移至下一个字段。

If we defined food differently: that it's something that nurtures the body, something found in nature, something that doesn't harm the environment-- there are a number of criteria one can apply to define a food-- then we might come up with a different definition than this, but this is the way the nutrition field generally looks at it.
如果我们给出不同的定义,滋养身体的物质,在自然界找到的物质,不会威胁到身体的物质,有很多标准可以拿出来定义食物,我们也许可以就此重新进行定义,但这就是营养学看待食物的方式
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