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问题描述
ENUM('1','2','3','4','5')是产品评级的明智数据类型,必须介于1到5之间?
谢谢!
解决方案是的,这将是一个适当的数据类型,因为它强制您的域。 / p>
如果你要添加(或做任何其他数学运算)在一起,但数字数据类型可能会更好。
Would ENUM('1','2','3','4','5') be a sensible datatype for a product rating which must be between 1 and 5?
Thanks!
解决方案Yes, that would be an appropriate data type since it enforces your domain.
If you are going to add (or do any other mathematical operation) them together, however, a numeric data type might be better.
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MySQL 5星级评分数据类型?
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