Oracle数据库别名
程序员文章站
2023-10-10 17:32:17
创建users表;
输入select * from users;
合并两列值为一列,取别名users_info;
输入:select name || ','...
创建users表;
输入select * from users;
合并两列值为一列,取别名users_info;
输入:select name || ',' || age || '岁' AS users_info from users order by age,name;
上一篇: jQuery制作简单柱状图实例教程
下一篇: C++面向对象基础教程