Listing login/user roles and permissions

This recipe shows how you can list login and user related database mappings, roles, and permissions for a specific database.

How to do it...

Let's check the code needed to list logins, their database mappings, assigned roles, and permissions:

1. Open PowerShell ISE as an administrator.

2. Import the SQLPS module and create a new SMO Server Object as follows:

   #import SQL Server module
   Import-Module SQLPS -DisableNameChecking
   
   #replace this with your instance name
   $instanceName = "localhost"
   $server = New-Object -TypeName Microsoft.SqlServer.Management.Smo.Server -ArgumentList $instanceName

   Add the following script and run:

   #list all databases you want to query in an array
   #alternatively you can read this from a file
   $databases = @("AdventureWorks2014")
   
   #we will temporarily store results in an array
   #so it will easier to read and export
   $results = @()
   
   $databases |
   ForEach-Object {
      #capture current database object
      $database = $server.Databases[$_]
   
      #capture...