How do I check my mailbox database mount status?

Quick Exchange (on-prem)  Tips:

How do I check my mailbox database mount status?

Get-MailboxDatabase with the -status

Shell to create a user mailbox

New-Mailbox -Alias onPrem1 -Name "Test onprem1" -FirstName onPrem -LastName onprem1 -DisplayName "Test onprem1" -UserPrincipalName onprem1@yourdomain.com -Password (ConvertTo-SecureString -String 'P@ssw0rd' -AsPlainText -Force)

Shell to create a existing user mailbox

Enable-Mailbox estherv@yourdomain.com -Database UsersMailboxDatabase

Enable-Mailbox ktadmin@yourdomain.com -Database MDB1

check results:

Get-Mailbox -Database MDB1