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我在Microsoft Access中有一個表單,它將文本文件中的記錄導入表中。原始代碼是這樣的:使用Tablesample的Visual Basic RunSQL語法錯誤
DoCmd.RunSQL "UPDATE QC_File SET QC_File.ToQC = 'x' " & _
"WHERE (((QC_File.ID) In (Select TOP " & VarPer & " PERCENT ID " & _
"FROM QC_File As DUPE " & _
"WHERE [DUPE].[HIST_USUS_ID] = [QC_File].[HIST_USUS_ID] And [DUPE].[Client1] = 'CLIENT' " & _
"ORDER BY [DUPE].[ID] DESC;)))"`
此代碼只抓住了前10%時,我想它拉一個隨機的10%,所以我嘗試以下,但我不斷收到查詢表達式中的錯誤(「語法錯誤「 )並沒有指定錯誤發生在哪一行,它只是返回整個代碼。
DoCmd.RunSQL "UPDATE QC_File SET QC_File.ToQC = 'x' " & _
"WHERE (((QC_File.ID) In (Select ID " & _
"FROM QC_File As DUPE Tablesample(10 PERCENT) " & _
"WHERE [DUPE].[HIST_USUS_ID] = [QC_File].[HIST_USUS_ID] And [DUPE].[Client1] = 'CLIENT' " & _
"ORDER BY [DUPE].[ID] DESC;)))"
我已經使用NEWID()
嘗試,但一切確實是按隨機順序返回的前10%。在Visual Basic中編寫SQL時不能使用Tablesample命令?