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這樣的代碼,我從專家的F#章得到工作15需要解釋從專家F#第15章這個F#代碼:數據
let dataAdapter = new SqlDataAdapter()
let buildDataSet conn queryString =
dataAdapter.SelectCommand <- new SqlCommand(queryString,conn)
let dataSet = new DataSet()
let _ = new SqlCommandBuilder(dataAdapter)
dataAdapter.Fill(dataSet) |> ignore
dataSet
let dataSet =
buildDataSet conn "SELECT * FROM Employees"
如果我想刪除數據或插入數據我應該做新的數據集?