试题与答案

SQL语言具有何种功能A.数据定义、数据操纵和数据控制 B.关系规范化、数据操纵和数

题型:单项选择题

题目:

SQL语言具有何种功能

A.数据定义、数据操纵和数据控制

B.关系规范化、数据操纵和数据定义

C.关系规范化、数据定义和数据控制

D.关系规范化、数据操纵和数据控制

答案:

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参考答案:错

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