Oracle migrate the users into another DB instance

发布时间 2023-05-20 13:46:55作者: DBAGPT
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create or replace procedure pr_user_ddl as

cursor get_username is
select username
from dba_users where username like '%SYS%';



begin
   dbms_metadata.set_transform_param (dbms_metadata.session_transform, 'SQLTERMINATOR', true);
   dbms_metadata.set_transform_param (dbms_metadata.session_transform, 'PRETTY', true);
end;

begin

for l_user in get_username loop

DBMS_OUTPUT.PUT_LINE('-----------------------');
DBMS_OUTPUT.PUT_LINE('select (case');
DBMS_OUTPUT.PUT_LINE(' when ((select count(*)');
DBMS_OUTPUT.PUT_LINE(' from dba_users');
DBMS_OUTPUT.PUT_LINE(' where username = '''||l_user.username||''') > 0)');
DBMS_OUTPUT.PUT_LINE(' then dbms_metadata.get_ddl (''USER'', '''||l_user.username||''')');
DBMS_OUTPUT.PUT_LINE(' else to_clob ('' -- Note: User not found!'')');
DBMS_OUTPUT.PUT_LINE(' end ) "--Extracted_DDL" from dual');
DBMS_OUTPUT.PUT_LINE('UNION ALL');

DBMS_OUTPUT.PUT_LINE('-----------------------');
DBMS_OUTPUT.PUT_LINE('select (case');
DBMS_OUTPUT.PUT_LINE(' when ((select count(*)');
DBMS_OUTPUT.PUT_LINE(' from dba_ts_quotas');
DBMS_OUTPUT.PUT_LINE(' where username = '''||l_user.username||''') > 0)');
DBMS_OUTPUT.PUT_LINE(' then dbms_metadata.get_granted_ddl (''TABLESPACE_QUOTA'', '''||l_user.username||''')');
DBMS_OUTPUT.PUT_LINE(' else to_clob ('' -- Note: No TS Quotas found!'')');
DBMS_OUTPUT.PUT_LINE(' end ) from dual');
DBMS_OUTPUT.PUT_LINE('UNION ALL');

DBMS_OUTPUT.PUT_LINE('-----------------------');
DBMS_OUTPUT.PUT_LINE('select (case');
DBMS_OUTPUT.PUT_LINE(' when ((select count(*)');
DBMS_OUTPUT.PUT_LINE(' from dba_role_privs');
DBMS_OUTPUT.PUT_LINE(' where grantee = '''||l_user.username||''') > 0)');
DBMS_OUTPUT.PUT_LINE(' then dbms_metadata.get_granted_ddl (''ROLE_GRANT'', '''||l_user.username||''')');
DBMS_OUTPUT.PUT_LINE(' else to_clob ('' -- Note: No granted roles found!'')');
DBMS_OUTPUT.PUT_LINE(' end ) from dual');
DBMS_OUTPUT.PUT_LINE('UNION ALL');

DBMS_OUTPUT.PUT_LINE('-----------------------');
DBMS_OUTPUT.PUT_LINE('select (case');
DBMS_OUTPUT.PUT_LINE(' when ((select count(*)');
DBMS_OUTPUT.PUT_LINE(' from dba_role_privs');
DBMS_OUTPUT.PUT_LINE(' where grantee = '''||l_user.username||''') > 0)');
DBMS_OUTPUT.PUT_LINE(' then dbms_metadata.get_granted_ddl (''DEFAULT_ROLE'', '''||l_user.username||''')');
DBMS_OUTPUT.PUT_LINE(' else to_clob ('' -- Note: No System Privileges found!'')');
DBMS_OUTPUT.PUT_LINE(' end ) from dual');
DBMS_OUTPUT.PUT_LINE('UNION ALL');

DBMS_OUTPUT.PUT_LINE('-----------------------');
DBMS_OUTPUT.PUT_LINE('select (case');
DBMS_OUTPUT.PUT_LINE(' when ((select count(*)');
DBMS_OUTPUT.PUT_LINE(' from dba_sys_privs');
DBMS_OUTPUT.PUT_LINE(' where grantee = '''||l_user.username||''') > 0)');
DBMS_OUTPUT.PUT_LINE(' then dbms_metadata.get_granted_ddl (''SYSTEM_GRANT'', '''||l_user.username||''')');
DBMS_OUTPUT.PUT_LINE(' else to_clob ('' -- Note: No System Privileges found!'')');
DBMS_OUTPUT.PUT_LINE(' end ) from dual');
DBMS_OUTPUT.PUT_LINE('UNION ALL');

DBMS_OUTPUT.PUT_LINE('-----------------------');
DBMS_OUTPUT.PUT_LINE('select (case');
DBMS_OUTPUT.PUT_LINE(' when ((select count(*)');
DBMS_OUTPUT.PUT_LINE(' from dba_tab_privs');
DBMS_OUTPUT.PUT_LINE(' where grantee = '''||l_user.username||''') > 0)');
DBMS_OUTPUT.PUT_LINE(' then dbms_metadata.get_granted_ddl (''OBJECT_GRANT'', '''||l_user.username||''')');
DBMS_OUTPUT.PUT_LINE(' else to_clob ('' -- Note: No Object Privileges found!'')');
DBMS_OUTPUT.PUT_LINE(' end ) from dual');
DBMS_OUTPUT.PUT_LINE('/');
DBMS_OUTPUT.PUT_LINE('----------------------------------------------------------------------');

end loop;

end;
/



set pages 50000
set long 20000 longchunksize 20000 pagesize 0 linesize 1000 feedback off verify off trimspool on
column ddl format a1000
set serveroutput on size unlimited
spool /tmp/create_user_ddl_to_be_ran.sql
exec pr_user_ddl
spool off


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spool /tmp/user_created_history.log
set long 1000000000
set pages 50000
exec DBMS_METADATA.SET_TRANSFORM_PARAM(DBMS_METADATA.SESSION_TRANSFORM,'SQLTERMINATOR',TRUE);
@/tmp/create_user_ddl_to_be_ran.sql
spool off
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