SQL sever 2008 Rar! ?s X<t ? ? ? ?祕BwL0 17240671-1.sql ?0) GO ALTER TABLE Product ADD CONSTRAINT CK_Product_Price CHECK(Price>0) GO ALTER TABLE Proln ADD CONSTRAINT CK_Proln_Quantity CHECK (Quantity>0) GO ALTER TABLE ProOut ADD CONSTRAINT C
VB 对分组统计数据进行分析，并使用柱状图来显示，按仓库分组小计。下面是相关代码： Private Sub Command1_Click() Adodc1.RecordSource = "select 仓库,现库存数量 from (SELECT sum(库存) as 现库存数量,仓库 from tb_kc group by 仓库)" Adodc1.Refresh Set MSChart1.DataSource = Adodc1 End Sub Private Su
