Restoring all Users after migration to new environment without Full Import

Question

Hallow all,
We are migrating our database from windows to Sun Solaris.
We came to situation that, we have lots of created users who do there transactions on other users tables. Now I don't want to do full import & let oracle do all the work for me. Cause we will change the structure of tablespaces & the default tablespaces for users.
Now we came to problem,
We want to create all the users without asking everyone to change his password, if we put default password for all.
I want your opinion about if the following will work:
1- I create the new tablespaces.
2- I create the main users & assign there default tablespaces.
3- on the old database I create a table
create table user_list as select * from dba_users;
4- I import the needed main users
5- I import user_list table into system account;
6- I write procedure with cursor on user_list then create users while looping on that cursor with any password.
7- I write procedure with cursor on SYS.USER$ then
alter user User_Name identified by values 'F894844C34402B67';
here the Hashed value will be selected from the User_list table where name=name on both tables.
What you think about the above steps, especially No. 7 ?
any other suggestions to do the work ?
Best Regards,
Naji Ghanim

Answer 1

Hi ,
Spool the create users scripts and run in new db.
select
'PROMPT Create User '||username||'...' text,
'create user "'||username||'" identified '||
decode(PASSWORD, 'EXTERNAL','externally ','by values '''||PASSWORD||''' ')||
decode(DEFAULT_TABLESPACE,'SYSTEM',null,' default tablespace "'||DEFAULT_TABLESPACE||'" ')||
decode(TEMPORARY_TABLESPACE,'SYSTEM',null,' temporary tablespace "'||TEMPORARY_TABLESPACE||'" ')||
decode(profile,'DEFAULT', null, ' profile "'||PROFILE||'" ')||';' text
from dba_users
where username not in ('ADAMS','ANONYMOUS','BLAKE','CLARK','CTXSYS','DBSNMP','DIP','DMSYS','EXFSYS','HR','JONES','MDDATA','MDSYS','MGMT_VIEW','ODM','ODM_MTR','OE','OLAPSYS','ORDPLUGINS','ORDSYS','OUTLN','PERFSTAT','PM','QS','QS_ADM','QS_CB','QS_CBADM','QS_CS','QS_ES','QS_OS','QS_WS','SCOTT','SH','SI_INFORMTN_SCHEMA','SYS','SYSTEM','TRACESVR','TSMSYS','WKPROXY','WKSYS','WK_TEST','WMSYS','XDB')
You can modify the create user script for the new tablespaces.
HTH,
Thomas.