首页 > 计算机类 > 等级考试 > 计算机三级 > 数据库 > 设 A="abcd"+space(5) ,B="efgh" ,则 A-B 的结果与下列 ( ) 选项的结果相同。

设 A="abcd"+space(5) ,B="efgh" ,则 A-B 的结果与下列 ( ) 选项的结果相同。

A."abed"+space(5)+"efgh"
B."abed"+"efgh"
C."abcd"+F ,ef8h"+space(5)
D.abcd+efgh" +space(1)
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正确答案: C
答案分析:
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