我有一个表格,其中载有<条码>明细、<条码>>英勇和<条码>。 a 细列项目表。 该数据库是2008年服务器。
我需要知道的是,如何写“K”号声明,将<编码>>项目上数量的总和按该顺序排列,而不是计及大于<代码>的订单。 它必须退回<代码>orderid、>>>、>itemid和 Total。
任何帮助? 感谢!
古斯:
SELECT
SUM(quantity) AS total, --"sums of quantities for that itemid at that order"
orderid, inventoryid --"It must return the orderid, itemid"
WHERE
orderid < (some larger order id value) --"not counting orders that have larger orderids"
GROUP BY
orderid, inventoryid
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