Installed software in Server insert to Database tables

Question

Software table has a foreign key (compID) from the Computer table primary key (compID)
Computer table columns
compId    name   date .....
Software table columns
softID  compID  softwarename  vendor version .........
For each computer name in Computer table, find all installed software then insert into software table all software info and only the compID. Also update the software table if it is already in the table or insert into software table if info is not there.
here is my code so far:
foreach($property in $soft){
$cmd.CommandText = "INSERT INTO Software (idNumber, softwareName, vendor, version, auditDate) values (@idNumber, @softwareName, @vendor, @version, @auditDate)"
$dt = Get-Date
$cmd.Parameters.AddWithValue("@idNumber", $property.IdentifyingNumber) 
#Traps null values
if ([string]::IsNullOrEmpty($property.Name))
$cmd.Parameters.AddWithValue("@softwareName", [DBNull]::Value) 
else
$cmd.Parameters.AddWithValue("@softwareName", $property.Name) 
if ([string]::IsNullOrEmpty($property.Vendor))
$cmd.Parameters.AddWithValue("@vendor", [DBNull]::Value) 
else
$cmd.Parameters.AddWithValue("@vendor", $property.Vendor) 
if ([string]::IsNullOrEmpty($property.Version))
$cmd.Parameters.AddWithValue("@version", [DBNull]::Value) 
else
$cmd.Parameters.AddWithValue("@version", $property.Version) 
$cmd.Parameters.AddWithValue("@auditDate",$dt) 
$cmd.executenonquery() 
$cmd.Parameters.Clear();
$dbConn.Close()

Answer 1

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