sql基础--怎样查询多列数据

select 指定列名，列名，列名 from 从表中

mysql> select id,price,name
from products;

+------+-------+--------------------+

| id | price | name |

+------+-------+--------------------+

| 1 | 3.49 | Bird bean bag toy |

| 2 | 3.49 | qunkanlu |

| 3 | 4.9 | qunkanlu 50 number |

| 1 | 5.9 | hongqi |

+------+-------+--------------------+

4 rows in set (0.00 sec)