excel vba convert access file.mdb to file.csv - vba

Question

I have a macro recorded from Excel VBA that extract data from access file.mdb. How do I substitute user prompt this string C:\test.mdb under CommandText = Array(). I would like to have a user prompt different file.mdb every time. what is symbol ` mean in Excel VBA?
Also, is it possible to split each device id to a new file.csv
Sub Macro1()
'
' Macro1 Macro
'
'
ActiveWorkbook.Worksheets.Add
With ActiveSheet.ListObjects.Add(SourceType:=0, Source:=Array(Array( _
"ODBC;DSN=MS Access Database;DBQ=C:\test.mdb;DefaultDir=C:\;DriverId=25;FIL=MS Access;MaxB" _
), Array("ufferSize=2048;PageTimeout=5;")), Destination:=Range("$A$1")). _
QueryTable
.CommandText = Array( _
"SELECT Program.`Program Name`, Program.`Program Desc`, Program.`Program Unique`, Program.`Program DB`, Operator.`Operator ID`, Operator.`Operator Unique`, `Device Under Test`.`Device ID`, `Device Unde" _
, _
"r Test`.Notes, `Device Under Test`.`Device Under Test Unique`, Data_vD.`Test Unique`, Data_vD.Exclude, Data_vD.`Total Time`, Data_vD.Cycle, Data_vD.`Loop Counter #1`, Data_vD.`Loop Counter #2`, Data_v" _
, _
"D.`Loop Counter #3`, Data_vD.Step, Data_vD.`Step time`, Data_vD.Current, Data_vD.Voltage, Data_vD.Power, Data_vD.`Instantaneous Amps`, Data_vD.`Instantaneous Volts`, Data_vD.`Instantaneous Watts`, Dat" _
, _
"a_vD.`Amp-Hours`, Data_vD.`Watt-Hours`, Data_vD.`Assignable Variable 1`, Data_vD.`Assignable Variable 2`, Data_vD.Mode, Data_vD.`Data Acquisition Flag`" & Chr(13) & "" & Chr(10) & "FROM `C:\test.mdb`.Data_v" _
, _
"D Data_vD, `C:\test.mdb`.`Device Under Test` `Device Under Test`, `C:\test.mdb`.Operator Operator, `C:\test.mdb`.Program Program" _
)
.RowNumbers = False
.FillAdjacentFormulas = False
.PreserveFormatting = True
.RefreshOnFileOpen = False
.BackgroundQuery = True
.RefreshStyle = xlInsertDeleteCells
.SavePassword = False
.SaveData = True
.AdjustColumnWidth = True
.RefreshPeriod = 0
.PreserveColumnInfo = True
.ListObject.DisplayName = "Table_Query_from_MS_Access_Database"
.Refresh BackgroundQuery:=False
End With
Columns("J:J").Select
ActiveWorkbook.Worksheets("Sheet4").ListObjects( _
"Table_Query_from_MS_Access_Database").Sort.SortFields.Clear
ActiveWorkbook.Worksheets("Sheet4").ListObjects( _
"Table_Query_from_MS_Access_Database").Sort.SortFields.Add Key:=Range( _
"Table_Query_from_MS_Access_Database[[#All],[Test Unique]]"), SortOn:= _
xlSortOnValues, Order:=xlAscending, DataOption:=xlSortNormal
With ActiveWorkbook.Worksheets("Sheet4").ListObjects( _
"Table_Query_from_MS_Access_Database").Sort
.Header = xlYes
.MatchCase = False
.Orientation = xlTopToBottom
.SortMethod = xlPinYin
.Apply
End With
ActiveWindow.SmallScroll Down:=-12
Range("I2").Select
ActiveWorkbook.Worksheets("Sheet4").ListObjects( _
"Table_Query_from_MS_Access_Database").Sort.SortFields.Clear
ActiveWorkbook.Worksheets("Sheet4").ListObjects( _
"Table_Query_from_MS_Access_Database").Sort.SortFields.Add Key:=Range( _
"Table_Query_from_MS_Access_Database[[#All],[Device Under Test Unique]]"), _
SortOn:=xlSortOnValues, Order:=xlAscending, DataOption:=xlSortNormal
With ActiveWorkbook.Worksheets("Sheet4").ListObjects( _
"Table_Query_from_MS_Access_Database").Sort
.Header = xlYes
.MatchCase = False
.Orientation = xlTopToBottom
.SortMethod = xlPinYin
.Apply
End With
End Sub