我希望能够流利的MySQL能够帮助我。我正在尝试对select进行选择,但查询似乎并不想完成。任何帮助将不胜感激。单个查询中的多个选择
SELECT
product as pid,
leg_name as name,
dimensions as dims
FROM
pmaint
WHERE
product in (
SELECT product
FROM qb_export_items_attributes
WHERE attribute_name = 'Z'
AND product in (
SELECT product
FROM pmainT
WHERE type_ID = (
SELECT ID
FROM type
WHERE SOFTCARTCATEGORY = 'End Table Legs'
)
)
AND attribute_value <= 3.5
)
1)你是什么意思的“不想完成?” 2)你有什么努力使它工作? (例如,您是否尝试过每个人都选择了解其中一个是否已损坏?) – 2013-03-06 05:31:27
为什么子查询不加入? – 2013-03-06 05:32:28
@AndrewMcGivery如果我正在喝咖啡,我会把它吐在我的屏幕上 – Phil 2013-03-06 05:36:54