今天看到一条用函数处理连接的SQL,是群里某位网友的,SQL语句如下:
SELECT SO_Order.fdate , SO_Order.fsn FROM so_order INNER JOIN so_orderitem ON CHARINDEX(so_Orderitem.fid, SO_Order.fid) >= 1 WHERE so_order.FOrderDate = '2015-09-06'
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