要从多个 select 语句中获取结果，请使用 UNION ALL。以下是语法 -
select yourValue1 AS anyColumnName UNION ALL select yourValue2 AS yourColumnName . . . . N
让我们实现上述语法，以返回不同行中的数字枚举 -
Python操作Mysql实例代码教程
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本文介绍了Python操作MYSQL、执行SQL语句、获取结果集、遍历结果集、取得某个字段、获取表字段名、将图片插入数据库、执行事务等各种代码实例和详细介绍，代码居多，是一桌丰盛唯美的代码大餐。如果想查看在线版请访问：https://www.jb51.net/article/34102.htm
mysql> select 100 AS Number UNION ALL select 1000 AS Number UNION ALL select 10000 AS Number UNION ALL select 100000 AS Number UNION ALL select 1000000 AS Number UNION ALL select 10000000 AS Number UNION ALL select 100000000 AS Number UNION ALL select 1000000000 AS Number;
这将产生以下输出 -
+------------+ | Number | +------------+ | 100 | | 1000 | | 10000 | | 100000 | | 1000000 | | 10000000 | | 100000000 | | 1000000000 | +------------+ 8 rows in set (0.00 sec)
