如何从mysql数据库字段中检索最后4个字符? [英] How to retrieve the last 4 characters from a mysql database field?

问题描述

为了能够从PHP和mysql模拟substr，我想做类似的事情

In order to be able to simulate substr from PHP and mysql, I want to do something like

select * from table where last_four_chars(field) = '.png'

推荐答案

文档中有一个与此直接相关的示例.

The docs have an example directly relevant to this.

select * from table where SUBSTRING(field, -4) = '.png'

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