A、 复制 (Duplicate)
B、 删除(Delete)
C、 停止 (Shutdown)
D、 移动(Move)
答案:D
A、 复制 (Duplicate)
B、 删除(Delete)
C、 停止 (Shutdown)
D、 移动(Move)
答案:D
A. 2.25
B. 2.35
C. 0.5
D. 0.25
A. SELECT stu_name, COUNT(stu_sex) FROM student GROUP BY stu_sex;
B. SELECT stu_sex, COUNT(stu_sex) FROM student GROUP BY stu_sex;
C. SELECT stu_name FROM student GROUP BY stu_sex;
D. SELECT stu_sex, COUNT(stu_name) FROM student GROUP BY stu_name;
A. 数据分析
B. 报告初稿
C. 迭代完善
D. 报告图形化展示
A. 薄前台
B. 厚中台
C. 强后台
D. 厚前台
A. INT
B. FLOAT
C. DECIMAL
D. DOUBLE
A. 列名
B. 行名
C. 索引
D. 元素值
A. 数据
B. 表
C. 数值
D. 文本
A. learning_rate
B. l_rate
C. learning_r
D. l_r