檢視oracle中所有使用者資訊

以下不知道從哪抄的內容，分享給大家。

1.檢視所有使用者：

select * from dba_users;  

select * from all_users;  
select * from user_users;

select * from dba_sys_privs;  

--檢視當前使用者所擁有的許可權
select * from user_sys_privs;

select * from role_sys_privs;

select * from dba_tab_privs;  

select * from all_tab_privs;  
select * from user_tab_privs;

select * from dba_roles;

select * from dba_role_privs;  

select * from user_role_privs;

select * from v$pwfile_users

select * from dba_sys_privs where grantee =  'username';

--其中的username即使用者名稱要大寫

select 'drop table '||table_name||';' from all_tables

where owner='要刪除的使用者名稱(注意要大寫)';

drop user user_name cascade;

select * from all_tables where owner = 'username';

select owner,count(*) from all_tables group by owner;
select count(*) from tabs;
select count(*) from user_tables;
select * from dba_sequence where sequence_owner='username';

select 'truncate table  ' || table_name from user_tables;

oracle資料庫中的外來鍵約束名都在表user_constraints中可以查到。其中constraint_type='r'表示是外來鍵約束。

--啟用外來鍵約束的命令

alter table table_name enable constraint constraint_name;
--禁用外來鍵約束的命令
alter table table_name disable constraint constraint_name;
--用sql查出資料庫中所以外來鍵的約束名：
select 'alter table '||table_name||' enable constraint '||constraint_name||';' from user_constraints where constraint_type='r';
select 'alter table '||table_name||' disable constraint '||constraint_name||';' from user_constraints where constraint_type='r';

--啟用指令碼

set serveroutput on size 1000000
begin
for c in (select 'alter table '||table_name||' enable constraint '||constraint_name||' ' as v_sql from user_constraints where constraint_type='r') loop
dbms_output.put_line(c.v_sql);
begin
execute immediate c.v_sql;
exception when others then
dbms_output.put_line(sqlerrm);
end;
end loop;
for c in (select 'alter table '||tname||' enable all triggers ' as v_sql from tab where tabtype='table') loop
dbms_output.put_line(c.v_sql);
begin
execute immediate c.v_sql;
exception when others then
dbms_output.put_line(sqlerrm);
end;
end loop;
end;
/commit;
--禁用指令碼
set serveroutput on size 1000000
begin
for c in (select 'alter table '||table_name||' disable constraint '||constraint_name||' ' as v_sql from user_constraints where constraint_type='r') loop
dbms_output.put_line(c.v_sql);
begin
execute immediate c.v_sql;
exception when others then
dbms_output.put_line(sqlerrm);
end;
end loop;
for c in (select 'alter table '||tname||' disable all triggers ' as v_sql from tab where tabtype='table') loop
dbms_output.put_line(c.v_sql);
begin
execute immediate c.v_sql;
exception when others then
dbms_output.put_line(sqlerrm);
end;
end loop;
end;
/commit;

查詢oracle中所有使用者資訊

1.檢視所有使用者 select from dba users select from all users select from user users 2.檢視使用者或角色系統許可權 直接賦值給使用者或角色的系統許可權 select from dba sys privs select from u...

查詢oracle中所有使用者資訊

1.檢視所有使用者 select from dba users select from all users select from user users 2.檢視使用者或角色系統許可權 直接賦值給使用者或角色的系統許可權 select from dba sys privs select from u...

查詢oracle中所有使用者資訊

1.檢視所有使用者 select from dba users select from all users select from user users 2.檢視使用者或角色系統許可權 直接賦值給使用者或角色的系統許可權 select from dba sys privs select from u...