Orcale权限、角色查看创建方法

Oracle 2019-01-03

查看当前用户拥有的系统权限
<div class="codetitle"><a style="CURSOR: pointer" data="81628" class="copybut" id="copybut81628" onclick="doCopy('code81628')"> 代码如下:

<div class="codebody" id="code81628">
select from user_sys_privs;

系统权限系统管理员授予-----sys用户
<div class="codetitle"><a style="CURSOR: pointer" data="73342" class="copybut" id="copybut73342" onclick="doCopy('code73342')"> 代码如下:

<div class="codebody" id="code73342">
create user lisi identified by 123456 //创建用户
grant create session to lisi //授予拥有会话的权限
grant create table to lisi //授予创建表的权限
grant create unlimited tablespace to lisi //授予无空间限制的权限
revoke create session from lisi //撤销权限
revoke create table from lisi
revoke create unlimited tablespace from lisi

当前用户对对象拥有是权限
<div class="codetitle"><a style="CURSOR: pointer" data="51315" class="copybut" id="copybut51315" onclick="doCopy('code51315')"> 代码如下:

<div class="codebody" id="code51315">
select from user_tab_privs;

对象权限对象创建者授予或撤销权限
如：lisi用户创建表 tab
<div class="codetitle"><a style="CURSOR: pointer" data="90836" class="copybut" id="copybut90836" onclick="doCopy('code90836')"> 代码如下:<div class="codebody" id="code90836">
grant select on tab to wangwu //对表tab的查询条件授予给wangwu用户
grant all on tab to wangwu //对表tab的所有操作授予给wangwu用户
revoke select on tab from wangwu
revoke all on tab from wangwu

权限传递
sys -> A用户 -> B用户
系统权限
<div class="codetitle"><a style="CURSOR: pointer" data="72273" class="copybut" id="copybut72273" onclick="doCopy('code72273')"> 代码如下:<div class="codebody" id="code72273">
grant ceate any table to lisi with admin option; //李四用户可以将此权限传递给其它用户

对象权限
<div class="codetitle"><a style="CURSOR: pointer" data="54520" class="copybut" id="copybut54520" onclick="doCopy('code54520')"> 代码如下:<div class="codebody" id="code54520">
grant select on tabA to lisi with grant option;

角色
<div class="codetitle"><a style="CURSOR: pointer" data="81223" class="copybut" id="copybut81223" onclick="doCopy('code81223')"> 代码如下:<div class="codebody" id="code81223">
create(drop) role myrole
grant create session to myrole
grant create table to myrole
grant myrole to lisi

权限权限角色角色