The advantage over using value comparisons is that you don't risk a runtime error.
这种方式较之使用值比较的优势在于不会有运行时错误的风险。
Value comparisons are about relationships between atomic values, and they do not check an entire set.
值比较用于原子值之间的关系,不检查整个集合。
Do not change atomic types (string, integer, etc.) if queries are strongly typed or have value comparisons.
如果查询是强类型的或者需要进行值比较,不要改变原子类型(string、integer等)。
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