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2025-03-28 Update From: SLTechnology News&Howtos shulou NAV: SLTechnology News&Howtos > Database >
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Http://www.cnblogs.com/ningvsban/p/3606239.html body {font-family:-apple-system, BlinkMacSystemFont, 'Segoe WPC',' Segoe UI', 'HelveticaNeue-Light',' Ubuntu', 'Droid Sans', sans-serif; font-size: 14px; line-height: 1.6 } Oracle user rights commonly used statements commonly used System Privilegescreate session connection database create table table building create view view building synonyms create procedure building procedures, functions, package create trigger building triggers create cluster clustering examples
Create a user and grant the user authorization rights.
Create user ken identified by ken
Granted permissions with admin option
Grant create session, create table to ken with admin option
Grant permissions without with admin option
Grant create view to ken
Create a new tom user
Create user tom identified by tom
Authorization to tom after logging in with ken user, the statement was executed successfully
Grant create session, create table to tom; Grant succeeded. For tom authorization, statement execution failed grant create view to tom; grant create view to tom * ERROR at line 1: ORA-01031: insufficient privileges
Reclaim permission
Note note that recycling permissions are not cascading.
Reclaim login permissions from ken
Revoke create session from ken
At this point, tom can still log in, but Ken cannot log in
ERROR: ORA-01045: user KEN lacks CREATE SESSION privilege; logon denied
Commonly used Object Privilegealterdeleteselectinsertupdateindexreferencesexecute to view Object Privilege in the system
Select distinct privilege from dba_tab_privs
View the Object Privilege that a user has
Select grantor, owner, table_name, privilege from dba_tab_privs where grantee = 'TOM'
The grantor can be the owner of the object or a sys and system user.
Grant select on t to tom
Grant all permissions
Grant all on emp to monkey
Grant column permissions
Grant update on emp (sal) to monkey
Grant execute permission for a package
Grant execute on dbms_transaction to ken
To build an index in another schema, you must have the following permissions
Grant index on scott.emp to blake
Reclaim object permissions
Revoke select on emp from blake
Note Recycling Object Privilege results in cascaded recycling.
Role
The role Role, which defines a set of permissions.
Query the permissions that the role has
Select * from role_sys_privs where role=' role name'
Select * from role_sys_privs where role='CONNECT'
Select * from role_sys_privs where role='RESOURCE'
DBA role
The dba role has all system permissions, as well as with admin option options, and the default dba users are sys and system, which can grant any system permissions to other users. However, it should be noted that the dba role does not have the privileges of sysdba and sysoper (starting and shutting down the database)
Note generally speaking, after the user is created, it is enough to give the connect role and resource.
Custom role creation role (not validated)
Create role role name not identified
Establish roles (database validation)
Create role role name identified by password
Role authorization
Grant create session to role name with admin option grant select on scott.emp to role name; grant insert, update, delete on scott.emp to role name
Assign a role
Grant role name to blake with admin option
Select * from dba_roles
Select privilege, admin_option from role_sys_privs where role=' role name'
Select granted_role, default_role from dba_role_privs where grantee = 'user name'
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