sql server: quering roles, schemas, users,logins

--https://docs.microsoft.com/en-us/sql/relational-databases/security/authentication-access/managing-logins-users-and-schemas-how-to-topics
--
---SQL Server quering roles, schemas, users,logins 查询三者的关系
--SQL Server 2000 system table
--select * from sysusers
--select * from syslogins
--SQL Server 2005 and later catalog VIEW

SELECT * FROM sys.database_principals

SELECT * FROM sys.schemas

SELECT * FROM sys.server_principals

---SQL Server 2000 - Using sysprotects
SELECT 
    su.name AS 'User'
  , CASE sp.protecttype
      WHEN 204 THEN 'GRANT w/ GRANT'
      WHEN 205 THEN 'GRANT'
      WHEN 206 THEN 'DENY' END AS 'Permission'
  , CASE sp.action
      WHEN 26 THEN 'REFERENCES'
      WHEN 193 THEN 'SELECT'
      WHEN 195 THEN 'INSERT'
      WHEN 196 THEN 'DELETE'
      WHEN 197 THEN 'UPDATE'
      WHEN 224 THEN 'EXECUTE' END AS 'Action'
  , so.name AS 'Object'
FROM sysprotects sp
  INNER JOIN sysusers su
    ON sp.uid = su.uid
  INNER JOIN sysobjects so
    ON sp.id = so.id
WHERE sp.action IN (26, 193, 195, 196, 197, 224) 
ORDER BY su.name, so.name; 
GO



---SQL Server 2005/2008 - Using sys.database_permissions
SELECT 
    USER_NAME(grantee_principal_id) AS 'User'
  , state_desc AS 'Permission'
  , permission_name AS 'Action'
  , CASE class
      WHEN 0 THEN 'Database::' + DB_NAME()
      WHEN 1 THEN OBJECT_NAME(major_id)
      WHEN 3 THEN 'Schema::' + SCHEMA_NAME(major_id) END AS 'Securable'
FROM sys.database_permissions dp
WHERE class IN (0, 1, 3)
AND minor_id = 0; 
GO

IF EXISTS ( SELECT *
 FROM tempdb.dbo.sysobjects
 WHERE id =
 OBJECT_ID(N'[tempdb].[dbo].[SQL_DB_REP]') )
 DROPTABLE [tempdb].[dbo].[SQL_DB_REP] ; /*I intentionally left out the space */
 GO
 CREATE TABLE [tempdb].[dbo].[SQL_DB_REP] 
 (
 [Server] [varchar](100) NOT NULL,
 [DB_Name] [varchar](70) NOT NULL,
 [User_Name] [nvarchar](90) NULL,
 [Group_Name] [varchar](100) NULL,
 [Account_Type] [varchar](22) NULL,
 [Login_Name] [varchar](80) NULL,
 [Def_DB] [varchar](100) NULL
 )
 ON [PRIMARY]
 INSERT INTO [tempdb].[dbo].[SQL_DB_REP]
 Exec sp_MSForEachDB 'SELECT CONVERT(varchar(100),
 SERVERPROPERTY(''Servername'')) AS Server,
 ''?'' as DB_Name,
 usu.name u_name
 ,CASE
 WHEN (usg.uid is null) then ''public''
 ELSE usg.name
 END as Group_Name
 ,CASE
 WHEN usu.isntuser=1 then ''Windows Domain Account''
 WHEN usu.isntgroup = 1 then ''Windows Group''
 WHEN usu.issqluser = 1 then ''SQL Account''
 WHEN usu.issqlrole = 1 then ''SQL Role''
 END as Account_Type
 ,lo.loginname
 ,lo.dbname as Def_DB
 FROM
 [?]..sysusers usu LEFT OUTER JOIN
 ([?]..sysmembers mem INNER JOIN [?]..sysusers usg ON
 mem.groupuid = usg.uid) ON usu.uid = mem.memberuid
 LEFT OUTER JOIN master.dbo.syslogins lo on usu.sid =
 lo.sid
 WHERE
 (usu.islogin = 1 and usu.isaliased = 0 and usu.hasdbaccess =
 1) and
 (usg.issqlrole = 1 or usg.uid is null)'
 GO
 
 SELECT [Server],
 [DB_Name],
 [User_Name],
 [Group_Name],
 [Account_Type],
 [Login_Name],
 [Def_DB]
 FROM [tempdb].[dbo].[SQL_DB_REP]
 GO

　　https://ask.sqlservercentral.com/questions/16078/schema-and-role-permissions-for-all-users-in-a-dat.html