从两个表中获取mysql数据

Question

I have two tables like this: 我有两个这样的表：

Table 1 表格1

ID | COST |
1  | 601  |

Table 2 表2

   ID | COST |
   1  | 1000 |

I want to select data from this two tables. 我想从这两个表中选择数据。 How to do this? 这个怎么做？ I want output like this 我想要像这样的输出

[
  Table1 => [... data],
  Table2 => [...data]
]

Answer 1

if you want the rows from both the tables you could use union all 如果你想要两个表中的行，你可以使用union all

 select  cost
 from  table1 
 union all  
 select cost 
 from table2