param
(
    # Desired Azure SQL Database edition {Basic, Standard, Premium}
    [parameter(Mandatory=$true)]
    [string] $Edition,

    # Desired performance level {Basic, S0, S1, S2, P1, P2, P3}
    [parameter(Mandatory=$true)]
    [string] $PerfLevel

)

inlinescript
{
    # I only care about 1 DB so, I put it into variable asset and access from here
    $SqlServerName = Get-AutomationVariable -Name 'SqlServerName'
    $DatabaseName = Get-AutomationVariable -Name 'DatabaseName'


    Write-Output "Begin vertical scaling script..."

    # Establish credentials for Azure SQL Database server
    $Servercredential = new-object System.Management.Automation.PSCredential("yourDBadmin", ("YourPassword" | ConvertTo-SecureString -asPlainText -Force))

    # Create connection context for Azure SQL Database server
    $CTX = New-AzureSqlDatabaseServerContext -ManageUrl “https://$SqlServerName.database.windows.net” -Credential $ServerCredential

    # Get Azure SQL Database context
    $Db = Get-AzureSqlDatabase $CTX –DatabaseName $DatabaseName

    # Specify the specific performance level for the target $DatabaseName
    $ServiceObjective = Get-AzureSqlDatabaseServiceObjective $CTX -ServiceObjectiveName "$Using:PerfLevel"

    # Set the new edition/performance level
    Set-AzureSqlDatabase $CTX –Database $Db –ServiceObjective $ServiceObjective –Edition $Using:Edition -Force

    # Output final status message
    Write-Output "Scaled the performance level of $DatabaseName to $Using:Edition - $Using:PerfLevel"
    Write-Output "Completed vertical scale"
}

ALTER DATABASE [database_name] MODIFY (EDITION = 'standard', SERVICE_OBJECTIVE = 'S3', MAXSIZE = 250 GB)