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我有這樣的通用例程,我寫了一個SQL字符串列表並執行它們對數據庫。有什麼方法可以使這項工作更快?通常它會一次看到200次插入或刪除或更新。有時會有更新,插入和刪除的混合。按類型區分查詢是否是一個好主意(即組插入在一起,然後更新然後刪除)?Jet數據庫(ms訪問)ExecuteNonQuery - 我可以更快嗎?
我對MS Access數據庫運行這一點,並用vb.net 2005
Public Function ExecuteNonQuery(ByVal sql As List(Of String), ByVal dbConnection as String) As Integer
If sql Is Nothing OrElse sql.Count = 0 Then Return 0
Dim recordCount As Integer = 0
Using connection As New OleDb.OleDbConnection(dbConnection)
connection.Open()
Dim transaction As OleDb.OleDbTransaction = connection.BeginTransaction()
'Using cmd As New OleDb.OleDbCommand()
Using cmd As OleDb.OleDbCommand = connection.CreateCommand
cmd.Connection = connection
cmd.Transaction = transaction
For Each s As String In sql
If Not String.IsNullOrEmpty(s) Then
cmd.CommandText = s
recordCount += cmd.ExecuteNonQuery()
End If
Next
transaction.Commit()
End Using
End Using
Return recordCount
端功能
謝謝,我會看看使用數據適配器。 – Bluebill 2010-05-26 12:10:58
請讓我們知道,如果它的作品,如果它的話,一個複選標記或投票總是讚賞。 – N0Alias 2010-05-27 03:05:52