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Oracle創(chuàng)建只讀賬號的詳細步驟

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需求說明

現(xiàn)有數(shù)據(jù)庫賬號:HEPSUSR:具有完整權(quán)限,增刪改查。

需要創(chuàng)建一個數(shù)據(jù)庫賬號:HTREADER,對HEPSUSR賬號下所有的表具有只讀權(quán)限。

第一步:創(chuàng)建只讀賬號

--創(chuàng)建只讀賬號 第一步
CREATE USER htreader identified by 123456;

第二步:賦予賬號連接數(shù)據(jù)庫等基本權(quán)限

--賦予htreader連接等常規(guī)權(quán)限
grant connect to htreader;
grant create view to htreader;
grant create session to htreader;
grant create synonym to htreader;

第三步:獲取原賬號的查詢權(quán)限

獲取原賬號HEPSUSR用戶的所有查詢表權(quán)限
select 'grant select on '||owner||'.'||object_name||' to htreader;'
from dba_objects
where owner in ('HEPSUSR')
and object_type='TABLE';

--查詢結(jié)果為新賬號的賦值語句,如下圖

第四步:將原賬號權(quán)限賦值為新賬號

在原賬號HEPSUSR下執(zhí)行,將原賬號的查詢權(quán)限 賦值給新賬號
-------
grant select on HEPSUSR.ENTRY_CERT to htreader;
grant select on HEPSUSR.SUB_MESSAGE_INFO to htreader;
grant select on HEPSUSR.ENTRY_CERT_RELATION to htreader;
grant select on HEPSUSR.ENTRY_CERT_RELATION to htreader;
grant select on HEPSUSR.ENTRY_DECL_TAX to htreader;
grant select on HEPSUSR.ENTRY_DOCU to htreader;
grant select on HEPSUSR.ENTRY_FEES to htreader;
grant select on HEPSUSR.ENTRY_GOODS_TAX to htreader;
grant select on HEPSUSR.ENTRY_HEAD to htreader;
grant select on HEPSUSR.ENTRY_LIST to htreader;
grant select on HEPSUSR.ENTRY_WORKFLOW to htreader;
grant select on HEPSUSR.IQ_APPEND to htreader;
grant select on HEPSUSR.IQ_CERT to htreader;
grant select on HEPSUSR.SUB_SWAP to htreader;
grant select on HEPSUSR.VIN_LIST to htreader;

第五步:在新賬號端創(chuàng)建同位顯示表

因為新創(chuàng)建的只讀賬號,Tables欄中顯示為空,我們需要在PL/SQL顯示欄中為新賬號登錄界面添加顯示同位元素,如下:

--在原賬號HEPSUSR端執(zhí)行,獲取需要顯示的表名稱
select 'create or replace SYNONYM htreader.'||object_name|| ' for ' ||owner|| '.'||object_name||';'
from dba_objects
where owner in ('HEPSUSR')
and object_type='TABLE'

第六步:查詢結(jié)果在新賬號端執(zhí)行

在只讀賬號HTREADER端執(zhí)行:添加顯示各個表信息;在SYSNONYM目錄下,tables目錄下無顯示
create or replace SYNONYM htreader.VIN_LIST for HEPSUSR.VIN_LIST;
create or replace SYNONYM htreader.SUB_SWAP for HEPSUSR.SUB_SWAP;
create or replace SYNONYM htreader.SUB_MESSAGE_INFO for HEPSUSR.SUB_MESSAGE_INFO;
create or replace SYNONYM htreader.IQ_CERT for HEPSUSR.IQ_CERT;
create or replace SYNONYM htreader.IQ_APPEND for HEPSUSR.IQ_APPEND;
create or replace SYNONYM htreader.ENTRY_WORKFLOW for HEPSUSR.ENTRY_WORKFLOW;
create or replace SYNONYM htreader.ENTRY_LIST for HEPSUSR.ENTRY_LIST;
create or replace SYNONYM htreader.ENTRY_HEAD for HEPSUSR.ENTRY_HEAD;
create or replace SYNONYM htreader.ENTRY_GOODS_TAX for HEPSUSR.ENTRY_GOODS_TAX;
create or replace SYNONYM htreader.ENTRY_FEES for HEPSUSR.ENTRY_FEES;
create or replace SYNONYM htreader.ENTRY_DOCU for HEPSUSR.ENTRY_DOCU;
create or replace SYNONYM htreader.ENTRY_DECL_TAX for HEPSUSR.ENTRY_DECL_TAX;
create or replace SYNONYM htreader.ENTRY_CONTAINER for HEPSUSR.ENTRY_CONTAINER;
create or replace SYNONYM htreader.ENTRY_CERT_RELATION for HEPSUSR.ENTRY_CERT_RELATION;
create or replace SYNONYM htreader.ENTRY_CERT for HEPSUSR.ENTRY_CERT;

第七步:執(zhí)行完成之后 登錄新賬號,查看結(jié)果

新賬號可以查詢原賬號的所有表結(jié)構(gòu),但是無法執(zhí)行 增刪改相關(guān)操作

第八步:執(zhí)行刪除、修改sql語句測試

附錄:Oracle查詢賬號及權(quán)限詳細語句

1.查看所有用戶:
select * from dba_users;
select * from all_users;
select * from user_users;

2.查看用戶或角色系統(tǒng)權(quán)限(直接賦值給用戶或角色的系統(tǒng)權(quán)限):
select * from dba_sys_privs;
select * from user_sys_privs;

3.查看角色(只能查看登陸用戶擁有的角色)所包含的權(quán)限
sql>select * from role_sys_privs;

4.查看用戶對象權(quán)限:
select * from dba_tab_privs;
select * from all_tab_privs;
select * from user_tab_privs;

5.查看所有角色:
select * from dba_roles;

6.查看用戶或角色所擁有的角色:
select * from dba_role_privs;
select * from user_role_privs;

以上就是Oracle創(chuàng)建只讀賬號的詳細步驟的詳細內(nèi)容,更多關(guān)于Oracle創(chuàng)建只讀賬號的資料請關(guān)注腳本之家其它相關(guān)文章!

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