一个简单的查询，只显示你是否是系统管理员:

IF IS_SRVROLEMEMBER ('sysadmin') = 1  
   print 'Current user''s login is a member of the sysadmin role'  
ELSE IF IS_SRVROLEMEMBER ('sysadmin') = 0  
   print 'Current user''s login is NOT a member of the sysadmin role'  
ELSE IF IS_SRVROLEMEMBER ('sysadmin') IS NULL  
   print 'ERROR: The server role specified is not valid.';

无法评论已接受的答案，所以我将在这里添加一些评论:

I second Brad on schemas issue. From MS reference sys.objects table contains only schema-scoped objects. So to get info about "higher level" objects (i.e. schemas in our case) you need to use sys.schemas table. For [ObjectType] it's better to use obj.type_desc only for OBJECT_OR_COLUMN permission class. For all other cases use perm.[class_desc] Another type of permission which is not handled so well with this query is IMPERSONATE. To get info about impersonations one should LEFT JOIN with sys.database_principals on perm.major_id = imp.principal_id With my experience it's better to replace sys.login_token with sys.server_principals as it will show also SQL Logins, not only Windows ones One should add 'G' to allowed principal types to allow Windows groups Also, one can exclude users sys and INFORMATION_SCHEMA from resulting table, as these users are used only for service

我将发布第一个带有所有建议修复的脚本，其他部分也应该被更改:

SELECT  
    [UserName] = ulogin.[name],
    [UserType] = CASE princ.[type]
                    WHEN 'S' THEN 'SQL User'
                    WHEN 'U' THEN 'Windows User'
                    WHEN 'G' THEN 'Windows Group'
                 END,  
    [DatabaseUserName] = princ.[name],       
    [Role] = null,      
    [PermissionType] = perm.[permission_name],       
    [PermissionState] = perm.[state_desc],       
    [ObjectType] = CASE perm.[class] 
                        WHEN 1 THEN obj.type_desc               -- Schema-contained objects
                        ELSE perm.[class_desc]                  -- Higher-level objects
                   END,       
    [ObjectName] = CASE perm.[class] 
                        WHEN 1 THEN OBJECT_NAME(perm.major_id)  -- General objects
                        WHEN 3 THEN schem.[name]                -- Schemas
                        WHEN 4 THEN imp.[name]                  -- Impersonations
                   END,
    [ColumnName] = col.[name]
FROM    
    --database user
    sys.database_principals princ  
LEFT JOIN
    --Login accounts
    sys.server_principals ulogin on princ.[sid] = ulogin.[sid]
LEFT JOIN        
    --Permissions
    sys.database_permissions perm ON perm.[grantee_principal_id] = princ.[principal_id]
LEFT JOIN
    --Table columns
    sys.columns col ON col.[object_id] = perm.major_id 
                    AND col.[column_id] = perm.[minor_id]
LEFT JOIN
    sys.objects obj ON perm.[major_id] = obj.[object_id]
LEFT JOIN
    sys.schemas schem ON schem.[schema_id] = perm.[major_id]
LEFT JOIN
    sys.database_principals imp ON imp.[principal_id] = perm.[major_id]
WHERE 
    princ.[type] IN ('S','U','G') AND
    -- No need for these system accounts
    princ.[name] NOT IN ('sys', 'INFORMATION_SCHEMA')

这是我第一次根据安多马的建议回答问题。此查询旨在提供用户直接应用到用户帐户或通过该帐户应用的权限列表 用户拥有的角色。

/*
Security Audit Report
1) List all access provisioned to a sql user or windows user/group directly 
2) List all access provisioned to a sql user or windows user/group through a database or application role
3) List all access provisioned to the public role

Columns Returned:
UserName        : SQL or Windows/Active Directory user account.  This could also be an Active Directory group.
UserType        : Value will be either 'SQL User' or 'Windows User'.  This reflects the type of user defined for the 
                  SQL Server user account.
DatabaseUserName: Name of the associated user as defined in the database user account.  The database user may not be the
                  same as the server user.
Role            : The role name.  This will be null if the associated permissions to the object are defined at directly
                  on the user account, otherwise this will be the name of the role that the user is a member of.
PermissionType  : Type of permissions the user/role has on an object. Examples could include CONNECT, EXECUTE, SELECT
                  DELETE, INSERT, ALTER, CONTROL, TAKE OWNERSHIP, VIEW DEFINITION, etc.
                  This value may not be populated for all roles.  Some built in roles have implicit permission
                  definitions.
PermissionState : Reflects the state of the permission type, examples could include GRANT, DENY, etc.
                  This value may not be populated for all roles.  Some built in roles have implicit permission
                  definitions.
ObjectType      : Type of object the user/role is assigned permissions on.  Examples could include USER_TABLE, 
                  SQL_SCALAR_FUNCTION, SQL_INLINE_TABLE_VALUED_FUNCTION, SQL_STORED_PROCEDURE, VIEW, etc.   
                  This value may not be populated for all roles.  Some built in roles have implicit permission
                  definitions.          
ObjectName      : Name of the object that the user/role is assigned permissions on.  
                  This value may not be populated for all roles.  Some built in roles have implicit permission
                  definitions.
ColumnName      : Name of the column of the object that the user/role is assigned permissions on. This value
                  is only populated if the object is a table, view or a table value function.                 
*/

--List all access provisioned to a sql user or windows user/group directly 
SELECT  
    [UserName] = CASE princ.[type] 
                    WHEN 'S' THEN princ.[name]
                    WHEN 'U' THEN ulogin.[name] COLLATE Latin1_General_CI_AI
                 END,
    [UserType] = CASE princ.[type]
                    WHEN 'S' THEN 'SQL User'
                    WHEN 'U' THEN 'Windows User'
                 END,  
    [DatabaseUserName] = princ.[name],       
    [Role] = null,      
    [PermissionType] = perm.[permission_name],       
    [PermissionState] = perm.[state_desc],       
    [ObjectType] = obj.type_desc,--perm.[class_desc],       
    [ObjectName] = OBJECT_NAME(perm.major_id),
    [ColumnName] = col.[name]
FROM    
    --database user
    sys.database_principals princ  
LEFT JOIN
    --Login accounts
    sys.login_token ulogin on princ.[sid] = ulogin.[sid]
LEFT JOIN        
    --Permissions
    sys.database_permissions perm ON perm.[grantee_principal_id] = princ.[principal_id]
LEFT JOIN
    --Table columns
    sys.columns col ON col.[object_id] = perm.major_id 
                    AND col.[column_id] = perm.[minor_id]
LEFT JOIN
    sys.objects obj ON perm.[major_id] = obj.[object_id]
WHERE 
    princ.[type] in ('S','U')
UNION
--List all access provisioned to a sql user or windows user/group through a database or application role
SELECT  
    [UserName] = CASE memberprinc.[type] 
                    WHEN 'S' THEN memberprinc.[name]
                    WHEN 'U' THEN ulogin.[name] COLLATE Latin1_General_CI_AI
                 END,
    [UserType] = CASE memberprinc.[type]
                    WHEN 'S' THEN 'SQL User'
                    WHEN 'U' THEN 'Windows User'
                 END, 
    [DatabaseUserName] = memberprinc.[name],   
    [Role] = roleprinc.[name],      
    [PermissionType] = perm.[permission_name],       
    [PermissionState] = perm.[state_desc],       
    [ObjectType] = obj.type_desc,--perm.[class_desc],   
    [ObjectName] = OBJECT_NAME(perm.major_id),
    [ColumnName] = col.[name]
FROM    
    --Role/member associations
    sys.database_role_members members
JOIN
    --Roles
    sys.database_principals roleprinc ON roleprinc.[principal_id] = members.[role_principal_id]
JOIN
    --Role members (database users)
    sys.database_principals memberprinc ON memberprinc.[principal_id] = members.[member_principal_id]
LEFT JOIN
    --Login accounts
    sys.login_token ulogin on memberprinc.[sid] = ulogin.[sid]
LEFT JOIN        
    --Permissions
    sys.database_permissions perm ON perm.[grantee_principal_id] = roleprinc.[principal_id]
LEFT JOIN
    --Table columns
    sys.columns col on col.[object_id] = perm.major_id 
                    AND col.[column_id] = perm.[minor_id]
LEFT JOIN
    sys.objects obj ON perm.[major_id] = obj.[object_id]
UNION
--List all access provisioned to the public role, which everyone gets by default
SELECT  
    [UserName] = '{All Users}',
    [UserType] = '{All Users}', 
    [DatabaseUserName] = '{All Users}',       
    [Role] = roleprinc.[name],      
    [PermissionType] = perm.[permission_name],       
    [PermissionState] = perm.[state_desc],       
    [ObjectType] = obj.type_desc,--perm.[class_desc],  
    [ObjectName] = OBJECT_NAME(perm.major_id),
    [ColumnName] = col.[name]
FROM    
    --Roles
    sys.database_principals roleprinc
LEFT JOIN        
    --Role permissions
    sys.database_permissions perm ON perm.[grantee_principal_id] = roleprinc.[principal_id]
LEFT JOIN
    --Table columns
    sys.columns col on col.[object_id] = perm.major_id 
                    AND col.[column_id] = perm.[minor_id]                   
JOIN 
    --All objects   
    sys.objects obj ON obj.[object_id] = perm.[major_id]
WHERE
    --Only roles
    roleprinc.[type] = 'R' AND
    --Only public role
    roleprinc.[name] = 'public' AND
    --Only objects of ours, not the MS objects
    obj.is_ms_shipped = 0
ORDER BY
    princ.[Name],
    OBJECT_NAME(perm.major_id),
    col.[name],
    perm.[permission_name],
    perm.[state_desc],
    obj.type_desc--perm.[class_desc] 

以下是我的版本，改编自他人。我刚刚花了30分钟来回忆我是怎么想到这个的，@杰里米的回答似乎是我的核心灵感。我不想更新杰里米的答案，以防我引入错误，所以我在这里发布了我的版本。

我建议将完整脚本与Kenneth Fisher的《T-SQL Tuesday:特定用户拥有什么权限?》:这将允许你自底向上回答合规/审计问题，而不是自顶向下。

EXECUTE AS LOGIN = '<loginname>'

SELECT token.name AS GroupNames
FROM sys.login_token token
JOIN sys.server_principals grp
    ON token.sid = grp.sid
WHERE token.[type] = 'WINDOWS GROUP'
  AND grp.[type] = 'G'

REVERT

To understand what this covers, consider Contoso\DB_AdventureWorks_Accounting Windows AD Group with member Contoso\John.Doe. John.Doe authenticates to AdventureWorks via server_principal Contoso\DB_AdventureWorks_Logins Windows AD Group. If someone asks you, "What permissions does John.Doe have?", you cannot answer that question with just the below script. You need to then iterate through each row returned by the below script and join it to the above script. (You may also need to normalize for stale name values via looking up the SID in your Active Directory provider.)

下面是脚本，没有包含这种反向查找逻辑。

/*


--Script source found at :  http://stackoverflow.com/a/7059579/1387418
Security Audit Report
1) List all access provisioned to a sql user or windows user/group directly 
2) List all access provisioned to a sql user or windows user/group through a database or application role
3) List all access provisioned to the public role



Columns Returned:
UserName         : SQL or Windows/Active Directory user account.  This could also be an Active Directory group.
UserType         : Value will be either 'SQL User' or 'Windows User'.  This reflects the type of user defined for the 
                  SQL Server user account.
PrinciaplUserName: if UserName is not blank, then UserName else DatabaseUserName
PrincipalType    : Possible values are 'SQL User', 'Windows User', 'Database Role', 'Windows Group'
DatabaseUserName : Name of the associated user as defined in the database user account.  The database user may not be the
                   same as the server user.
Role             : The role name.  This will be null if the associated permissions to the object are defined at directly
                   on the user account, otherwise this will be the name of the role that the user is a member of.
PermissionType   : Type of permissions the user/role has on an object. Examples could include CONNECT, EXECUTE, SELECT
                   DELETE, INSERT, ALTER, CONTROL, TAKE OWNERSHIP, VIEW DEFINITION, etc.
                   This value may not be populated for all roles.  Some built in roles have implicit permission
                   definitions.
PermissionState  : Reflects the state of the permission type, examples could include GRANT, DENY, etc.
                   This value may not be populated for all roles.  Some built in roles have implicit permission
                   definitions.
ObjectType       : Type of object the user/role is assigned permissions on.  Examples could include USER_TABLE, 
                   SQL_SCALAR_FUNCTION, SQL_INLINE_TABLE_VALUED_FUNCTION, SQL_STORED_PROCEDURE, VIEW, etc.   
                   This value may not be populated for all roles.  Some built in roles have implicit permission
                   definitions.          
ObjectName       : Name of the object that the user/role is assigned permissions on.  
                   This value may not be populated for all roles.  Some built in roles have implicit permission
                   definitions.
ColumnName       : Name of the column of the object that the user/role is assigned permissions on. This value
                   is only populated if the object is a table, view or a table value function.                 
*/

DECLARE @HideDatabaseDiagrams BIT = 1;

--List all access provisioned to a sql user or windows user/group directly 
SELECT  
    [UserName] = CASE dbprinc.[type] 
                    WHEN 'S' THEN dbprinc.[name] -- SQL User
                    WHEN 'U' THEN sprinc.[name] -- Windows User
                    WHEN 'R' THEN NULL -- Database Role
                    WHEN 'G' THEN NULL -- Windows Group
                    ELSE NULL
                 END,
    [UserType] = CASE dbprinc.[type]
                    WHEN 'S' THEN 'SQL User'
                    WHEN 'U' THEN 'Windows User'
                    WHEN 'R' THEN NULL -- Database Role
                    WHEN 'G' THEN NULL -- Windows Group
                    ELSE dbprinc.[type]
                 END,
    [PrincipalUserName] = COALESCE(
                    CASE dbprinc.[type]
                        WHEN 'S' THEN dbprinc.[name] -- SQL User
                        WHEN 'U' THEN sprinc.[name] -- Windows User
                        WHEN 'R' THEN NULL -- Database Role
                        WHEN 'G' THEN NULL -- Windows Group
                        ELSE NULL
                     END,
                     dbprinc.[name]
                 ),
    [PrincipalType] = CASE dbprinc.[type]
                    WHEN 'S' THEN 'SQL User'
                    WHEN 'U' THEN 'Windows User'
                    WHEN 'R' THEN 'Database Role'
                    WHEN 'G' THEN 'Windows Group'
                 END,
    [DatabaseUserName] = dbprinc.[name],
    [Role] = null,
    [PermissionType] = perm.[permission_name],
    [PermissionState] = perm.[state_desc],
    [ObjectType] = obj.[type_desc],--perm.[class_desc],
    [ObjectSchema] = OBJECT_SCHEMA_NAME(perm.major_id),
    [ObjectName] = OBJECT_NAME(perm.major_id),
    [ColumnName] = col.[name]
FROM    
    --database user
    sys.database_principals dbprinc  
LEFT JOIN
    --Login accounts
    sys.server_principals sprinc on dbprinc.[sid] = sprinc.[sid]
LEFT JOIN        
    --Permissions
    sys.database_permissions perm ON perm.[grantee_principal_id] = dbprinc.[principal_id]
LEFT JOIN
    --Table columns
    sys.columns col ON col.[object_id] = perm.major_id 
                    AND col.[column_id] = perm.[minor_id]
LEFT JOIN
    sys.objects obj ON perm.[major_id] = obj.[object_id]
WHERE 
    dbprinc.[type] in ('S','U')
    AND CASE
        WHEN @HideDatabaseDiagrams = 1 AND
        dbprinc.[name] = 'guest'
        AND (
            (
                obj.type_desc = 'SQL_SCALAR_FUNCTION'
                AND OBJECT_NAME(perm.major_id) = 'fn_diagramobjects'
            )
            OR (
                obj.type_desc = 'SQL_STORED_PROCEDURE'
                AND OBJECT_NAME(perm.major_id) IN
                (
                    N'sp_alterdiagram',
                    N'sp_creatediagram',
                    N'sp_dropdiagram',
                    N'sp_helpdiagramdefinition',
                    N'sp_helpdiagrams',
                    N'sp_renamediagram'
                )
            )
        )
        THEN 0
        ELSE 1
    END = 1
UNION
--List all access provisioned to a sql user or windows user/group through a database or application role
SELECT  
    [UserName] = CASE memberprinc.[type]
                    WHEN 'S' THEN memberprinc.[name]
                    WHEN 'U' THEN sprinc.[name]
                    WHEN 'R' THEN NULL -- Database Role
                    WHEN 'G' THEN NULL -- Windows Group
                    ELSE NULL
                 END,
    [UserType] = CASE memberprinc.[type]
                    WHEN 'S' THEN 'SQL User'
                    WHEN 'U' THEN 'Windows User'
                    WHEN 'R' THEN NULL -- Database Role
                    WHEN 'G' THEN NULL -- Windows Group
                 END, 
    [PrincipalUserName] = COALESCE(
                    CASE memberprinc.[type]
                        WHEN 'S' THEN memberprinc.[name]
                        WHEN 'U' THEN sprinc.[name]
                        WHEN 'R' THEN NULL -- Database Role
                        WHEN 'G' THEN NULL -- Windows Group
                        ELSE NULL
                     END,
                     memberprinc.[name]
                 ),
    [PrincipalType] = CASE memberprinc.[type]
                    WHEN 'S' THEN 'SQL User'
                    WHEN 'U' THEN 'Windows User'
                    WHEN 'R' THEN 'Database Role'
                    WHEN 'G' THEN 'Windows Group'
                 END, 
    [DatabaseUserName] = memberprinc.[name],
    [Role] = roleprinc.[name],
    [PermissionType] = perm.[permission_name],
    [PermissionState] = perm.[state_desc],
    [ObjectType] = obj.type_desc,--perm.[class_desc],
    [ObjectSchema] = OBJECT_SCHEMA_NAME(perm.major_id),
    [ObjectName] = OBJECT_NAME(perm.major_id),
    [ColumnName] = col.[name]
FROM    
    --Role/member associations
    sys.database_role_members members
JOIN
    --Roles
    sys.database_principals roleprinc ON roleprinc.[principal_id] = members.[role_principal_id]
JOIN
    --Role members (database users)
    sys.database_principals memberprinc ON memberprinc.[principal_id] = members.[member_principal_id]
LEFT JOIN
    --Login accounts
    sys.server_principals sprinc on memberprinc.[sid] = sprinc.[sid]
LEFT JOIN
    --Permissions
    sys.database_permissions perm ON perm.[grantee_principal_id] = roleprinc.[principal_id]
LEFT JOIN
    --Table columns
    sys.columns col on col.[object_id] = perm.major_id 
                    AND col.[column_id] = perm.[minor_id]
LEFT JOIN
    sys.objects obj ON perm.[major_id] = obj.[object_id]
WHERE    
    CASE
        WHEN @HideDatabaseDiagrams = 1 AND
        memberprinc.[name] = 'guest'
        AND (
            (
                obj.type_desc = 'SQL_SCALAR_FUNCTION'
                AND OBJECT_NAME(perm.major_id) = 'fn_diagramobjects'
            )
            OR (
                obj.type_desc = 'SQL_STORED_PROCEDURE'
                AND OBJECT_NAME(perm.major_id) IN
                (
                    N'sp_alterdiagram',
                    N'sp_creatediagram',
                    N'sp_dropdiagram',
                    N'sp_helpdiagramdefinition',
                    N'sp_helpdiagrams',
                    N'sp_renamediagram'
                )
            )
        )
        THEN 0
        ELSE 1
    END = 1
UNION
--List all access provisioned to the public role, which everyone gets by default
SELECT  
    [UserName] = '{All Users}',
    [UserType] = '{All Users}',
    [PrincipalUserName] = '{All Users}',
    [PrincipalType] = '{All Users}',
    [DatabaseUserName] = '{All Users}',
    [Role] = roleprinc.[name],
    [PermissionType] = perm.[permission_name],
    [PermissionState] = perm.[state_desc],
    [ObjectType] = obj.type_desc,--perm.[class_desc],
    [ObjectSchema] = OBJECT_SCHEMA_NAME(perm.major_id),
    [ObjectName] = OBJECT_NAME(perm.major_id),
    [ColumnName] = col.[name]
FROM    
    --Roles
    sys.database_principals roleprinc
LEFT JOIN        
    --Role permissions
    sys.database_permissions perm ON perm.[grantee_principal_id] = roleprinc.[principal_id]
LEFT JOIN
    --Table columns
    sys.columns col on col.[object_id] = perm.major_id
                    AND col.[column_id] = perm.[minor_id]
JOIN 
    --All objects
    sys.objects obj ON obj.[object_id] = perm.[major_id]
WHERE
    --Only roles
    roleprinc.[type] = 'R' AND
    --Only public role
    roleprinc.[name] = 'public' AND
    --Only objects of ours, not the MS objects
    obj.is_ms_shipped = 0
    AND CASE
        WHEN @HideDatabaseDiagrams = 1 AND
        roleprinc.[name] = 'public'
        AND (
            (
                obj.type_desc = 'SQL_SCALAR_FUNCTION'
                AND OBJECT_NAME(perm.major_id) = 'fn_diagramobjects'
            )
            OR (
                obj.type_desc = 'SQL_STORED_PROCEDURE'
                AND OBJECT_NAME(perm.major_id) IN
                (
                    N'sp_alterdiagram',
                    N'sp_creatediagram',
                    N'sp_dropdiagram',
                    N'sp_helpdiagramdefinition',
                    N'sp_helpdiagrams',
                    N'sp_renamediagram'
                )
            )
        )
        THEN 0
        ELSE 1
    END = 1
ORDER BY
    dbprinc.[Name],
    OBJECT_NAME(perm.major_id),
    col.[name],
    perm.[permission_name],
    perm.[state_desc],
    obj.type_desc--perm.[class_desc]

从SQL Server 2005开始，您可以使用系统视图来实现这一点。例如，这个查询列出了数据库中的所有用户及其权限:

select  princ.name
,       princ.type_desc
,       perm.permission_name
,       perm.state_desc
,       perm.class_desc
,       object_name(perm.major_id)
from    sys.database_principals princ
left join
        sys.database_permissions perm
on      perm.grantee_principal_id = princ.principal_id

请注意，用户也可以通过角色拥有权限。例如，db_data_reader角色授予对大多数对象的选择权限。

非常感谢出色的审计脚本。

我强烈建议审计用户使用很棒的Kenneth Fisher (b | t)存储过程:

sp_DBPermissions sp_SrvPermissions