我已经编写了一个查询,用于在某些条件下从我的 mysql 表中获取详细信息。我的表包含满足查询的行,但它返回一个空结果集。谁能告诉我为什么会这样?
这是我的查询
select *
from product
where price>='0' and price<='1000'
and internal>='0' and internal<='32'
and screensize>='1' and screensize<='8'
and camerares>='0' and camerares<='20'
and p_brand like '%%%' and carrier like '%%%'
and color like '%%%' and operating like '%%%'