read
reads an table of an Access Database you have to fill in the right Field names: rs.Fields("Spalte1")

Set conn = CreateObject("ADODB.Connection")
' Connect to the database
strConnect = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=c:\test.mdb"
conn.Open strConnect

StrSQL = "Select * from daten"
Set rs = conn.Execute(StrSQL)
Do While not rs.EOF
    wscript.echo "Spalte1:" & rs.Fields("Spalte1") & " Spalte2:"& rs.Fields("Spalte2")
    rs.MoveNext
Loop

Update or add new
the sub function updateornew searches Row1 for an existing Variable:
if exists the entry is updated if not it will make a new entry in the database
the function addnewentry always makes a new entry in the database

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'Variables:
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const databasepath = "c:\test.mdb"
const database = "daten"
const row1 = "Spalte1"

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'Database Connection
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Set objConnection = CreateObject("ADODB.Connection")
Set objRecordset = CreateObject("ADODB.Recordset")
strconn = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" & databasepath
objConnection.Open strconn
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'Main Program
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'call addnewentry("Row1entry","Row2entry","Row3entry")
call updateornew("Row1 new or update eintry","Row2","Row3")
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'close Database
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objConnection.Close
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'sub add new Entry into Database
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sub addnewentry (var1,var2,var3)
objRecordset.Open "SELECT * FROM " & database , objConnection, _
     3, 3
   objRecordset.AddNew
     objRecordset(0) = var1
     objRecordset(1) = var2
objRecordset(2) = var3
     objRecordset.Update
objRecordset.Close
end sub
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'sub find and update or make new
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sub updateornew (var1,var2,var3)
objRecordset.Open "SELECT * FROM " & database , objConnection, _
     3, 3
strSearchCriteria = row1 & " = '" & var1 & "'"
objRecordSet.Find strSearchCriteria
If objRecordset.EOF Then 
    Wscript.Echo "Record " & var1 & " cannot be found in row " & row1 & " add new...."
   objRecordset.AddNew
     objRecordset(0) = var1
     objRecordset(1) = var2
objRecordset(2) = var3
Else
   Wscript.Echo "Record " & var1 & " found in row " & row1 & " updating...."
   objRecordset(1) = var2
   objRecordset(2) = var3
End If
     objRecordset.Update
objRecordset.close
end sub
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