I have a program in c# that Insert 4,500,000 record into sql using ExecuteNoneQuery and take too long to insert I need a fast way to insert that take maximum about 10 minutes however when I insert 4,500,000 record from another table to my table via management studio it take 3 minutes
但是,你需要明白,有了这种尺寸,光盘存取速度和网络延时/带宽/饱和度就会发挥作用。
在您正在复制的“ 同一台机 时, 从另一个表格中弹出一个表格的示例无效 。
正如 Oded 已声明的那样, 此选项的起点是 SqlBulkCopy 。 但是, 如果您对数据库有控制权, 您也应该检查数据库中的恢复模型设置为简单或“ 布尔克登入 ” 。 否则您将受到 SQL 服务器创建日记条目的重击 。 您也需要确保设置 TableLock 的 SqlBulkCoption 。
这两个是直向前方的。 也可以与 SqlBulCupy BatchSize 设置和交易模式( 参见 United InternalTransAction) 一起玩, 但是这些设置比较难提供建议, 因为对于不同的假想方案, 最佳设置可能非常不同 。 如果使用 TableLock 和检查 Rescovery 模型, 并不很理解您想要的速度, 那么您就可以开始使用批次大小, 但是它是一个灰色区域 。
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