1
当遇到一个常见问题时,当我得到两个结果的每个条件,我需要消除一个表。SQL加入后消除一个结果
例如,我现在试图找出我有什么样的产品代码库存,以及如果我有什么订单,什么时候到期,我只想看到每个产品代码,并且它工作的很好。我只是按顺序显示数量,但现在我想要到期日我必须做一个左连接。现在我得到每个产品代码的两个结果。我得到一个显示它有什么库存和另一个,如果有什么订单和什么时候到期。我只想看到股票,如果没有订单和股票和订单作为一条线,如果有订购的东西,而不是两个分开。
DECLARE @cat VARCHAR(150)
SET @cat = 'crumb' --Put your search string in the single speech marks
SELECT category_treeview_node.ctn_description AS
[Product Category],
variant_detail.vad_variant_code AS [Variant Code],
variant_detail.vad_description AS
[Variant Description],
Sum(variant_transaction_header.vth_current_quantity) AS [Physical Stock],
variant_stock_quantity.vasq_free_stock_quantity AS [Free Stock],
variant_stock_location.vsl_stock_on_purchase_order AS [Stock on order],
purchase_order_header.poh_required_date AS [Due Date]
FROM variant_stock_quantity
INNER JOIN (variant_detail
INNER JOIN variant_category
ON variant_detail.vad_id =
variant_category.vac_vad_id
INNER JOIN category_treeview_node
ON category_treeview_node.ctn_id =
variant_category.vac_ctn_id)
ON variant_stock_quantity.vasq_vad_id = variant_detail.vad_id
INNER JOIN variant_stock_location
ON variant_detail.vad_id = variant_stock_location.vsl_vad_id
LEFT JOIN (variant_transaction_header_total
INNER JOIN variant_transaction_header
ON variant_transaction_header_total.vtht_vth_id =
variant_transaction_header.vth_id)
ON variant_detail.vad_id = variant_transaction_header.vth_vad_id
LEFT JOIN purchase_order_line
ON purchase_order_line.pol_id =
variant_transaction_header.vth_pol_id
AND variant_detail.vad_id = purchase_order_line.pol_vad_id
LEFT JOIN purchase_order_header
ON purchase_order_header.poh_id = purchase_order_line.pol_poh_id
WHERE category_treeview_node.ctn_description = @cat
GROUP BY category_treeview_node.ctn_description,
variant_detail.vad_variant_code,
variant_detail.vad_description,
variant_stock_quantity.vasq_free_stock_quantity,
variant_stock_location.vsl_stock_on_purchase_order,
purchase_order_header.poh_required_date
HAVING variant_stock_quantity.vasq_free_stock_quantity >= 0
即时得到一个结果,显示实际库存,免费的股票,什么在秩序和零点的截止日期,然后一个结果,显示没有实际库存,免费的股票,什么订单和到期日期。
任何帮助表示赞赏。
请为您的RDBMS(SQL Server?)添加标签。 – Mat 2013-02-10 10:52:24
请显示实际产量和预期产量。这可以让你更容易看到你想要做什么。 – Dukeling 2013-02-10 10:52:54
代码项目的PHY释放的订单到期 NB03 \t面包屑346.0000 \t 306.0000 \t 80.0000 \t NB03 \t面包屑0.0000 \t 306.0000 \t 80.0000 \t 15/02/2013 – user2058568 2013-02-10 10:59:41