Adding data to database with Powershell

DaTA base: Add data
$ds = new-object System.Data.DataSet
$ds.Tables.Add("person")
[void]$ds.Tables["person"].Columns.Add("name",[string])
[void]$ds.Tables["person"].Columns.Add("last",[string])
$dr = $ds.Tables["person"].NewRow()
$dr["name"] = "ullas"
$dr["last"] = "t"
$ds.Tables["person"].Rows.Add($dr)
$dr

name last
---- ----
ullas t