A、 SELECT cust_name FROM Customers1 UNION SELECT cust_name FROM Customers2
B、 SELECT cust_contact FROM Customers1 UNION SELECT cust_name, cust_contact FROM Customers2
C、 SELECT * FROM Customers1 UNION SELECT * FROM Customers2
D、 SELECT cust_name FROM Customers1 UNION SELECT * FROM Customers2
答案:AC
A、 SELECT cust_name FROM Customers1 UNION SELECT cust_name FROM Customers2
B、 SELECT cust_contact FROM Customers1 UNION SELECT cust_name, cust_contact FROM Customers2
C、 SELECT * FROM Customers1 UNION SELECT * FROM Customers2
D、 SELECT cust_name FROM Customers1 UNION SELECT * FROM Customers2
答案:AC
A. 员工应自觉维护 国家利益和金融 安全
B. 员工应把个人职 业生涯和农业银 行发展有机结合 起来
C. 员工应维护农业 银行的形象和利 益
D. 员工应践行爱国 、敬业、诚信、 友善的核心价值 观
A. !pip show SomePackage
B. !pip search SomePackage
C. !pip install SomePackage
D. !pip uninstall SomePackage
A. 降低数据的尺寸
B. 减小参数数量
C. 扩大感受视野
D. 增大参数数量
A. 列名
B. 行名
C. 索引
D. 元素值
A. Python笔记本 (Notebook)
B. 文本文件(Text File)
C. 文件夹 (Folder)
D. R笔记本 (Notebook)
A. implements
B. as
C. import
D. select
A. 稳定可靠
B. 合法合规
C. 节省成本
D. 权威近源
A. 无
B. !=
C. >=
D. +