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2025-01-21 Update From: SLTechnology News&Howtos shulou NAV: SLTechnology News&Howtos > Database >
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Shulou(Shulou.com)06/01 Report--
-- query the permissions of the database:
WITH tree_roles as
(
SELECT role_principal_id, member_principal_id
FROM sys.database_role_members
WHERE member_principal_id = USER_ID ('UserName')
UNION ALL
SELECT c.role_principal_id,c.member_principal_id
FROM sys.database_role_members as c
Inner join tree_roles
On tree_roles.member_principal_id = c.role_principal_id
)
SELECT distinct USER_NAME (role_principal_id) RoleName
FROM tree_roles
-- related permission table
Select * from sysusers
Select * from syspermissions
Some specific queries
-- see who can access the instance
SELECT
Name as UserName, type_desc as UserType, is_disabled as IsDisabled
FROM sys.server_principals
Where type_desc in ('WINDOWS_LOGIN',' SQL_LOGIN')
Order by UserType, name, IsDisabled
-- see who can access the database
SELECT
Dp.name as UserName, dp.type_desc as UserType, sp.name as LoginName, sp.type_desc as LoginType
FROM sys.database_principals dp
JOIN sys.server_principals sp ON dp.principal_id = sp.principal_id
Order by UserType
Select * from sys.database_principals
-- role permission query
Select
P.name as UserName, p.type_desc as UserType, pp.name as ServerRoleName, pp.type_desc as ServerRoleType
From sys.server_role_members roles
Join sys.server_principals p on roles.member_principal_id = p.principal_id
Join sys.server_principals pp on roles.role_principal_id = pp.principal_id
Where pp.name in ('sysadmin')
Order by ServerRoleName, UserName
-- Database role
SELECT
P.name as UserName, p.type_desc as UserType, pp.name as DBRoleName, pp.type_desc as DBRoleType, pp.is_fixed_role as IfFixedRole
FROM sys.database_role_members roles
JOIN sys.database_principals p ON roles.member_principal_id = p.principal_id
JOIN sys.database_principals pp ON roles.role_principal_id = pp.principal_id
Where pp.name in ('db_owner',' db_datawriter')
-- View the user's permissions
SELECT
Grantor.name as GrantorName, dp.state_desc as StateDesc, dp.class_desc as ClassDesc, dp.permission_name as PermissionName
OBJECT_NAME (major_id) as ObjectName, GranteeName = grantee.name
FROM sys.database_permissions dp
JOIN sys.database_principals grantee on dp.grantee_principal_id = grantee.principal_id
JOIN sys.database_principals grantor on dp.grantor_principal_id = grantor.principal_id
Where permission_name like'% UPDATE%'
-- other instructions
Query through stored procedures
EXEC sp_helprotect NULL, NULL, null,'golden_ro'
Parameter 1:Owner sysname Name of the object owner
Parameter 2:Object sysname Name of the object.
Parameter 3:Grantee sysname Name of the principal to which permissions were granted
Parameter 4:Grantor sysname Name of the principal that granted permissions to the specified grantee.
Temporarily list the four commonly used parameters! The usage is as above!
Such as querying the authorization of the table
EXEC sp_helpuser
Parameter 1:UserName sysname Users in the current database.
Parameter 2:RoleName sysname Roles to which UserName belongs.
Parameter 3:LoginName sysname Login of UserName.
Parameter 4:DefDBName sysname Default database of UserName.
Recently, when I authorized with the user, I found that I had to grant the execution permission to all stored procedures for a long time, and finally figured it out.
Grant execute to username
It is relatively easy to grant a single table, view, or stored procedure!
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