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使用PL/SQL获取创建用户的语句

使用PL/SQL获取创建用户的语句
 
Create procedure:
create or replace procedure get_case_sqls_for_ddls_ver1 as  
  cursor get_username is  
    select username from dba_users;  
  
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_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;  
/  
 
The above proc when called with the foll. will give the SQLs for all users:
set head off  
set pages 0  
set serveroutput on size unlimited  
spool /tmp/sqls_gathered_frm_trial_run_1.sql  
exec get_case_sqls_for_ddls_ver1   
spool off  
 
These SQLs generated can in turn be run as follows to get the ma
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