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将平面文件插入 SQL Server 时出现错误。无法从 SQL Server 直接传输到 SQL Server。数据必须先导出，然后再导入。注意：数据是从带有文本限定符“双引号”和管道分隔符“|”的 SQL 服务器导出的。我尝试使用固定宽度格式重新提取数据仍然无法导入。请协助。

错误信息 ：

将数据插入表中时出错。(Microsoft.SqlServer.Import.Wizard)

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Program Location:



 at Microsoft.SqlServer.Import.Wizard.InsertData.ResultCheck(Result result)
   at Microsoft.SqlServer.Import.Wizard.InsertData.DoWork()
   at Microsoft.SqlServer.Management.TaskForms.SimpleWorkItem.Run()

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Error inserting data into table. (Microsoft.SqlServer.Prose.Import)

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Program Location:

   at Microsoft.SqlServer.Prose.Import.BcpSynthesis.InsertIntoDB(String inputFilePath, String tableName, String schemaName, SqlConnection connection, Int32 batchSize, SqlTransaction transaction)
   at Microsoft.SqlServer.Prose.Import.BcpProcess.<>c__DisplayClass42_0.<InsertIntoDb>b__0()
   at Microsoft.SqlServer.Prose.Import.BcpProcess.ExecuteOperation(Action operation)

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Object reference not set to an instance of an object. (Microsoft.SqlServer.Prose.Import)

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Program Location:

   at Microsoft.SqlServer.Prose.Import.OutputDataReader.GetValue(Int32 i)
   at System.Data.SqlClient.SqlBulkCopy.GetValueFromSourceRow(Int32 destRowIndex, Boolean& isSqlType, Boolean& isDataFeed, Boolean& isNull)
   at System.Data.SqlClient.SqlBulkCopy.ReadWriteColumnValueAsync(Int32 col)
   at System.Data.SqlClient.SqlBulkCopy.CopyColumnsAsync(Int32 col, TaskCompletionSource`1 source)
   at System.Data.SqlClient.SqlBulkCopy.CopyRowsAsync(Int32 rowsSoFar, Int32 totalRows, CancellationToken cts, TaskCompletionSource`1 source)
   at System.Data.SqlClient.SqlBulkCopy.CopyBatchesAsyncContinued(BulkCopySimpleResultSet internalResults, String updateBulkCommandText, CancellationToken cts, TaskCompletionSource`1 source)
   at System.Data.SqlClient.SqlBulkCopy.CopyBatchesAsync(BulkCopySimpleResultSet internalResults, String updateBulkCommandText, CancellationToken cts, TaskCompletionSource`1 source)
   at System.Data.SqlClient.SqlBulkCopy.WriteToServerInternalRestContinuedAsync(BulkCopySimpleResultSet internalResults, CancellationToken cts, TaskCompletionSource`1 source)
   at System.Data.SqlClient.SqlBulkCopy.WriteToServerInternalRestAsync(CancellationToken cts, TaskCompletionSource`1 source)
   at System.Data.SqlClient.SqlBulkCopy.WriteToServerInternalAsync(CancellationToken ctoken)
   at System.Data.SqlClient.SqlBulkCopy.WriteRowSourceToServerAsync(Int32 columnCount, CancellationToken ctoken)
   at System.Data.SqlClient.SqlBulkCopy.WriteToServer(IDataReader reader)
   at Microsoft.SqlServer.Prose.Import.BcpSynthesis.InsertIntoDB(String inputFilePath, String tableName, String schemaName, SqlConnection connection, Int32 batchSize, SqlTransaction transaction)
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