mysql根据不在primarkey上的给定值选择查询

Question

亲爱的来自下面提到的表格im im imurur with this query但是没有工作

select imgurl from images where family=shoes;

+--------+-------------+------+-----+---------+----------------+
| Field  | Type        | Null | Key | Default | Extra          |
+--------+-------------+------+-----+---------+----------------+
| imgid  | int(11)     | NO   | PRI | NULL    | auto_increment |
| imgurl | varchar(75) | YES  |     | NULL    |                |
| family | varchar(20) | YES  |     | NULL    |                |
+--------+-------------+------+-----+---------+----------------+
3 rows in set (0.04 sec)

Answer 1

正如@babonk所说 - 引用shoes字将解决您的问题：

select imgurl from images where family='shoes';