internal/Remove-SqlDatabase.ps1

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Function Remove-SqlDatabase
{
<#
.SYNOPSIS
Internal function. Uses SMO's KillDatabase to drop all user connections then drop a database. $server is
an SMO server object.
#>

[CmdletBinding()]
param (
[Parameter(Mandatory = $true)]
[Alias("ServerInstance", "SqlInstance")]
[object]$SqlServer,
[Parameter(Mandatory = $true)]
[string]$DBName,
[System.Management.Automation.PSCredential]$SqlCredential
)

$escapedname = "[$dbname]"

try
{
$server = Connect-SqlServer -SqlServer $SqlServer -SqlCredential $SqlCredential
$server.KillDatabase($dbname)
$server.Refresh()
return "Successfully dropped $dbname on $($server.name)"
}
catch
{
try
{
$null = $server.ConnectionContext.ExecuteNonQuery("DROP DATABASE $escapedname")
return "Successfully dropped $dbname on $($server.name)"
}
catch
{
try
{
$server.databases[$dbname].Drop()
$server.Refresh()
return "Successfully dropped $dbname on $($server.name)"
}
catch
{
return $_
}
}
}
}