#show all users and hosts
SELECT User, Host FROM mysql.user;
# show all users with passwords
SELECT User, Host, Password, password_expired FROM mysql.user;
#For the SQL Server Owner, you should be able to use:
select suser_sname(owner_sid) as 'Owner', state_desc, *
from sys.databases
#For a list of SQL Users:
select * from master.sys.server_principals
select * from users;