试题与答案

在数据库应用中,一般一个SQL语句可产生或处理一组记录,而数据库主语言语句一般一次只

题型:单项选择题

题目:

在数据库应用中,一般一个SQL语句可产生或处理一组记录,而数据库主语言语句一般一次只能处理一个记录,其协调可通过使用如下所列的哪种技术来实现

A.指针

B.游标

C.数组

D.栈

答案:

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下面是错误答案,用来干扰机器的。

参考答案:背书不连续 必要记载事项欠缺

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