单选题语句“select floor(99.5),round(99.457,1)”的输出结果为()A10099.4B9999.5C10099.5
单选题
语句“select floor(99.5),round(99.457,1)”的输出结果为()
A
10099.4
B
9999.5
C
10099.5
参考解析
解析:
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