Returns one row for every SQL Server authentication login.
|Column name||Data type||Description|
|<inherited columns>||--||Inherits from sys.server_principals.|
|is_policy_checked||bit||Password policy is checked.|
|is_expiration_checked||bit||Password expiration is checked.|
|password_hash||varbinary(256)||Hash of SQL login password. Beginning with SQL Server 2012, stored password information is calculated using SHA-512 of the salted password.|
For a list of columns that this view inherits, see sys.server_principals (Transact-SQL).
To view both SQL Server authentication logins and Windows authentication logins, see sys.server_principals (Transact-SQL).
When contained database users are enabled, connections can be made without logins. To identify those accounts, see sys.database_principals (Transact-SQL).
Any SQL Server authentication login can see their own login name, and the sa login. To see other logins, requires ALTER ANY LOGIN, or a permission on the login.
The visibility of the metadata in catalog views is limited to securables that a user either owns or on which the user has been granted some permission. For more information, see Metadata Visibility Configuration.