考试
2021-02-25 12:21:09

(单选题)Evaluate this SQL stateme

题目描述

ASelection, projection, join

BDifference, projection, join

CSelection, intersection, join

DIntersection, projection, join

EDifference, projection, product

答案解析

[db:答案解析]

A

加载中...
AI正在思考中,请稍候...