Get-Database

DBSystems: Gets SQL database objects for each database in the target SQL Server instance

Script

#Requires -Version 5.0
#Requires -Modules SQLServer

[CmdLetBinding()]
Param(
    [Parameter(Mandatory = $true)]   
    [string]$ServerInstance,    
    [pscredential]$ServerCredential,
    [string]$DBName,
    [int]$ConnectionTimeout = 30,
    [ValidateSet('*','Name','Status','Size','SpaceAvailable','Owner','LastBackupDate','LastLogBackupDate','IsUpdateable','DefaultFileGroup','AutoShrink','ActiveConnections')]
    [string[]]$Properties = @('Name','Status','Size','SpaceAvailable','Owner','LastBackupDate','LastLogBackupDate','IsUpdateable','DefaultFileGroup','AutoShrink','ActiveConnections')
)

function Get-SqlServerInstanceInternal {
    [CmdLetBinding()]
    Param(
        [Parameter(Mandatory = $true)]   
        [string]$ServerInstance,    
        [pscredential]$ServerCredential,
        [int]$ConnectionTimeout = 30
    )
    try {
        [hashtable]$cmdArgs = @{
            'ErrorAction' = 'Stop'
            'Confirm' = $false
            'ServerInstance' = $ServerInstance
            'ConnectionTimeout' = $ConnectionTimeout
        }
        if ($null -ne $ServerCredential) {
            $cmdArgs.Add('Credential', $ServerCredential)
        }
        return Get-SqlInstance @cmdArgs
    } catch {
        throw
    }
}

Import-Module SQLServer

try {
    if ($Properties -contains '*') {
        $Properties = @('*')
    }
    
    $instance = Get-SqlServerInstanceInternal -ServerInstance $ServerInstance -ServerCredential $ServerCredential -ConnectionTimeout $ConnectionTimeout

    [hashtable]$cmdArgs = @{
        'ErrorAction' = 'Stop'
        'InputObject' = $instance
        'Confirm' = $false
    }
    
    if (-not [string]::IsNullOrWhiteSpace($DBName)) {
        $cmdArgs.Add("Name", $DBName)
    }
    
    $result = Get-SqlDatabase @cmdArgs | Select-Object $Properties
    Write-Output $result
} catch {
    throw
}

Customize

ServerInstance string

Specifies the name of the target computer including the instance name, e.g. MyServer\Instance

ServerCredential pscredential

Specifies a PSCredential object for the connection to the SQL Server. ServerCredential is ONLY used for SQL Logins. When you are using Windows Authentication you don't specify -Credential. It is picked up from your current login.

DBName string

Specifies the name of the database that this cmdlet gets the SQL database object

ConnectionTimeout int

Specifies the time period to retry the command on the target server

Properties string

List of properties to expand, comma separated e.g. Name,Status. Use * for all properties