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移动平均算法:用计算列实现移动加权平均算法

er" _disibledevent=复制代码 代码如下: OBJECT_ID('tb') is not null drop table tb OBJECT_ID('TEMP') is not null drop table TEMP OBJECT_ID('FUN_NOWPRICE') is not null drop FUNCTION FUN_NOWPRICE OBJECT_ID('FUN_NOWQTY') is not null drop FUNCTION FUN_NOWQTY go create table tb( id INT ,Date1 datetime ,ctype v [阅读全文] [PDF]