ORACLE - How to change Database Default Tablespace for users

1. Create new Tablespace <KAFA_ITGFIN_DBF> for schema KAFITGFIN
create tablespace KAFA_ITGFIN_DBF datafile
'D:\ORACLE\ORA92\MUJAZORC\KAFA_ITGFIN_DBF.DBF' size 5120m autoextend on;
2. Take Export of schema KAFAFIN on Seperate drive.
EXP SYSTEM/SYSMAN@mujazorc OWNER=KAFAFIN FILE=F:\Dump\kafafin_16022015.DMP GRANTS=Y BUFFER=10000 COMPRESS=Y ROWS=Y  LOG= F:\Dump\kafafin_16022015.log
3. Now create new schema or if you have already existing schema then drop and recreate it.
drop KAFITGFIN CASCADE;

CREATE USER KAFAITGFIN
  IDENTIFIED BY VALUES KAFAITGFIN
  DEFAULT TABLESPACE KAFA_ITGFIN_DBF
  TEMPORARY TABLESPACE TEMP
  PROFILE DEFAULT
  ACCOUNT UNLOCK;
  -- 1 Role for KAFITGFIN
  GRANT DBA TO KAFAITGFIN WITH ADMIN OPTION;
  ALTER USER KAFAITGFIN DEFAULT ROLE ALL;
  -- 1 System Privilege for KAFAITGFIN
  GRANT UNLIMITED TABLESPACE TO KAFAITGFIN WITH ADMIN OPTION;
  -- 1 Tablespace Quota for KAFITGFIN
  ALTER USER KAFAITGFIN QUOTA UNLIMITED ON KAFA_ITGFIN_DBF;

alter user KAFAITGFIN quota 0 on KAFA_FIN_DBF quota unlimited on KAFA_ITGFIN_DBF;
alter user KAFAITGFIN quota 0 on MUJ_FIN_DBF quota unlimited on KAFA_ITGFIN_DBF;
Note: Here in above example two different tablespace having the tables of same users.

In the case while changing the default tablespace for the user's in the same database, don't forget to assign
quota unlimited on new tablespace and revoke unlimited quota on old tablespace. This might not required while changing the tablespace of user's of different database.

revoke unlimited tablespace from KAFA_ITGFIN_DBF;

4. Now try to import the dump you have taken. Make sure dump is properly copied on the drive.

IMP SYSTEM/sysman@MUJAZORC FILE=F:\Dump\kafafin_16022015.DMP FROMUSER=KAFAFIN TOUSER=AWAED LOG=F:\Dump\kafafin_16022015.DMP.log
Don't forget to assign back quota unlimited on 'awaed' tablespace.
alter user awaed DEFAULT tablespace awaed QUOTA UNLIMITED ON awaed;

How to Move Tables into new tablespace of another database:
The case when you need to change tablespaces which is wrongly assigned and you want to move those users tables to different tablespace. First identify the tables from database which you want to move:
Select owner,table_name,tablespace_name from dba_tables where owner = 'ORAFIN';
OWNER TABLE_NAME TABLESPACE_NAME
ORAFIN ACCFILE MUJ_FIN_DBF
ORAFIN ACCOUNT_TRN           MUJ_FIN_DBF
ORAFIN ACCOUNT_TRN1         MUJ_FIN_DBF
ORAFIN APPLICATION MUJ_FIN_DBF
ORAFIN ASSETS1 MUJ_FIN_DBF
ORAFIN ASSETS1_ALL MUJ_FIN_DBF
ORAFIN ASSETS_ALL         MUJ_FIN_DBF
ORAFIN ASSETS_ALL_HI         MUJ_FIN_DBF
ORAFIN AUT_DISC         MUJ_FIN_DBF
ORAFIN AUT_LABEL         MUJ_FIN_DBF

Now you can use alter table command to move that tables to new tableapace. In the case while
moving the tables having index then you need to rebuild the index otherwise no need to do any thing.

Alter table table_name move tablespace KAF_ITGFIN_DBF;
Alter index <index_name> rebuild tablespace new_tablespace_name;

Generally Normal index moved explicitly where as LOB indexes are moved implicityly where as
related constraint will automatically moved to the new tablespace.

Now make sure the new schema is having the new default tablespace or not. Then the next time object is created on new tablespace.