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将大量数据复制到SQL CE数据库中

[英]Copying large amounts of data into a SQL CE database

原文 2009-05-19 19:16:38 6 2 c#/ .net/ ado.net/ sql-server-ce/ bcp

If I have a large amount of data in memory, what is the best way to copy it into a SQL CE table? 如果内存中有大量数据，将其复制到SQL CE表的最佳方法是什么？ The current technology stack is C#, ADO.net, and SQL CE. 当前的技术堆栈是C＃，ADO.net和SQL CE。

My initial idea was to do one INSERT statement for each row of data, but this is time-consuming. 我最初的想法是为每行数据执行一个INSERT语句，但这很耗时。 Is there an easier way? 有更容易的方法吗？

2 个解决方案

Steve Lasker has a great code sample demoing this with different methods, but the best method (by far) is SqlCeResultSet . 史蒂夫·拉斯克（Steve Lasker）有一个很棒的代码示例，用不同的方法对此进行了演示，但到目前为止，最好的方法是SqlCeResultSet 。

Here is a blog post from Steve with some good powerpoints on this subject. 这是史蒂夫（Steve ）的博客文章，在该主题上有一些不错的观点。

The first thing that popped into my head was to do a sync/merge with a desktop or server database, though that doesn't sound like it really fits your needs. 突然想到的第一件事就是与桌面或服务器数据库进行同步/合并，尽管听起来并不像它真正满足您的需求。 So here is my second thought: 所以这是我的第二个想法：

BULK INSERT table_name FROM data_file 批量插入table_name FROM data_file

I am not sure if it is supported in your version of SQL CE (though it appears to be supported in 3.5 SP1 from what I can tell on the MSDN pages). 我不确定您的SQL CE版本是否支持它（尽管从MSDN页面上可以看出，它似乎在3.5 SP1中受支持）。 http://msdn.microsoft.com/en-us/library/ms188365.aspx http://msdn.microsoft.com/en-us/library/ms188365.aspx

You could also disable any indexes on the table while inserting the data to speed things up, then enable/rebuild the index once you are done inserting. 您还可以在插入数据时禁用表上的任何索引，以加快处理速度，然后在完成插入后启用/重建索引。