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大数据量插入(vb.net 2008)2010-11-02 博客园 全哥这段时间在做抓包项目,需要把抓来的数据插入到数据库中,特做了四种插入数据算法比较。

数据库:SQL Server Management Studio Express

数据库名:test

Test中的表:TBL1(id bigint,name nvarchar(50),sex nvarchar(10),remark nvarchar(50)) 这张表就是要插入的数据

开发语言:vb.net 2008

插入算法1:考虑到插入的数据非常多,我有可能会保存在多个表中。该算法使用存储过程中执行动态sql。使用该插入10万条数据,共花了68.684秒。

[dbo].[tbl1_insert_1]存储过程

1ALTER PROCEDURE [dbo].[tbl1_insert_1]
2 @id bigint,@name nvarchar(50) ,
3 @sex nvarchar(10),@remark nvarchar(50)
4AS
5BEGIN
6SET NOCOUNT ON;
7declare @sql nvarchar(1000)
8declare @tblname varchar(100)
9set @tblname=’tbl1’
10set @sql="insert into ‘+@tblname +’(id,[name],sex,remark) "+
11 "values(" +convert(nvarchar, @id) +","""+@name+""","""+@sex+""","""+@remark+""")"
12 exec(@sql)
13END
14

Code

1 Private Sub Button4_Click()Sub Button4_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button4.Click
2 Dim sw As New System.Diagnostics.Stopwatch
3 sw.Start()
4 Dim conn As New System.Data.SqlClient.SqlConnection("Data Source=JXBW-YESHUNQUANSQLEXPRESS;Initial Catalog=test;Integrated Security=True")
5 conn.Open()
6 Dim cmd As New System.Data.SqlClient.SqlCommand
7 cmd.CommandText = "tbl1_insert_1"
8 cmd.CommandType = CommandType.StoredProcedure
9 cmd.Connection = conn
10 Dim para(3) As System.Data.SqlClient.SqlParameter
11 para(0) = New System.Data.SqlClient.SqlParameter("@id", SqlDbType.BigInt)
12 para(1) = New System.Data.SqlClient.SqlParameter("@name", SqlDbType.NVarChar, 50)
13 para(2) = New System.Data.SqlClient.SqlParameter("@sex", SqlDbType.NVarChar, 10)
14 para(3) = New System.Data.SqlClient.SqlParameter("@remark", SqlDbType.NVarChar, 50)
15 cmd.Parameters.Add(para(0))
16 cmd.Parameters.Add(para(1))
17 cmd.Parameters.Add(para(2))
18 cmd.Parameters.Add(para(3))
19 For i = 1 To 100000
20 para(0).Value = i
21 para(1).Value = "gsdgfsdfg" & i
22 para(2).Value = "男"
23 para(3).Value = "adfasdfasdddsssssssssssssssss我爱中国"
24 cmd.ExecuteNonQuery()
25 Next
26 conn.Close()
27 sw.Stop()
28 Debug.Print(sw.ElapsedMilliseconds / 1000 & "秒")
29 End Sub
30