需要在MySQL中做一些奇怪的事情

Question

我正在尝试从数据库中获取状态从w或c开始的元素..我尝试了此查询，但页面变为空白..

$test1=mysql_query("select * from railways where status like('w%') || like('c%')");

在这种情况下如何编写查询???

Answer 1

尝试

select * from railways where status like('w%') or status like('c%')

Answer 2

SELECT * FROM railways WHERE SUBSTR(status,1,1) IN ('w','c')