sql - Postgres 数据操作

Question

所以我有一些看起来像这样的数据；

Column A  |  Column B
__________|__________
Chicken   |     2
Duck      |     8
Cat       |     3 

如何让它看起来像这样？

  Column C  |
____________|
Chicken = 2 |
Duck = 8    |
Cat = 3     |

Answer 1

尝试像下面这样连接

SELECT clumnA || ' = '|| columnb AS ColumnC
FROM yourTable;