通过SQLCommand查询出大量数据如何快速复制到内部表? Post By:2022/5/21 10:26:00 [只看该作者]
我现在是通过下面的代码,把查询出来的结果复制到内部表,数据量大会感觉很慢,有没有更快的方法?
Dim cmd
As new
SQLCommand cmd.ConnectionName = "数据源名称" Dim ckd
AsDataTable cmd.CommandText = "S elect *
From {出库} Where [_Identify] Is null" ckd = cmd.ExecuteReader