Need Help in Exporting using DBMS_DATAPUMP

Hi,
I need a help in building the Procedure where I will use DBMS_DATAPUMP for Export purpose.
I have a scenario where there is TABLEA and TABLE B.
TABLE A structure:
CODE VARCHAR2(10),NAME VARHAR2(50)
TABLE B structure:
DEPT VARCHAR2(10),CODE VARCHAR2(10),DEPT_DESC VARCHAR2(40)
i want to take the dump of values in joining TABLE A nad TABLE B for e.g after joining I have the values as:
CODE NAME DEPT
10 SSSS TECH
20 PPPP ADMIN
Any help will be benefitial for me

This is clearly school work and you need to do it yourself.
The docs on DataPump are at http://tahiti.oracle.com and there are working demos in Morgan's Library at www.psoug.org.
One note though to you and your instructor. Learn to use this query:
SELECT keyword FROM v$reserved_words WHERE keyword = 'NAME';

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Schema Export using DBMS_DATAPUMP is extremely slow

Hi,
I created a procedure that duplicates a schema within a given database by first exporting the schema to a dump file using DBMS_DATAPUMP and then imports the same file (can't use network link because it fails most of the time).
My problem is that a regular schema datapump export takes about 1.5 minutes whereas the export using dbms_datapump takes about 10 times longer - something in the range of 14 minutes.
here is the code of the procedure that duplicates the schema:
CREATE OR REPLACE PROCEDURE MOR_DBA.copy_schema3 (
                                          source_schema in varchar2,
                                          destination_schema in varchar2,
                                          include_data in number default 0,
                                          new_password in varchar2 default null,
                                          new_tablespace in varchar2 default null
                                        ) as
h   number;
js varchar2(9); -- COMPLETED or STOPPED
q   varchar2(1) := chr(39);
v_old_tablespace varchar2(30);
v_table_name varchar2(30);
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   h := dbms_datapump.open ('EXPORT', 'SCHEMA');
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   dbms_datapump.metadata_filter (h, 'SCHEMA_LIST',q||source_schema||q);
   /* apply the data filter if we don't want to copy the data */
   IF include_data = 0 THEN
      dbms_datapump.data_filter(h,'INCLUDE_ROWS',0);
   END IF;
   /* start the job */
   dbms_datapump.start_job(h);
   /* wait for the job to finish */
   dbms_datapump.wait_for_job(h, js);
   /* detach the job handle and free the resources */
   dbms_datapump.detach(h);
   /* open a new schema level import job */
   h := dbms_datapump.open ('IMPORT', 'SCHEMA');
   /* attach a file to the operation */
   DBMS_DATAPUMP.ADD_FILE (h, 'COPY_SCHEMA_EXP' ||copy_schema_unique_counter.CURRVAL || '.DMP', 'LOCAL_DATAPUMP_DIR');
   /* restrict to the schema we want to copy */
   dbms_datapump.metadata_filter (h, 'SCHEMA_LIST',q||source_schema||q);
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      into v_old_tablespace
      from dba_users
      where username=source_schema;
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   END IF;
   /* apply the data filter if we don't want to copy the data */
   IF include_data = 0 THEN
      dbms_datapump.data_filter(h,'INCLUDE_ROWS',0);
   END IF;
   /* start the job */
   dbms_datapump.start_job(h);
   /* wait for the job to finish */
   dbms_datapump.wait_for_job(h, js);
   /* detach the job handle and free the resources */
   dbms_datapump.detach(h);
   /* change the password as the new user has the same password hash as the old user,
   which means the new user can't login! */
   execute immediate 'alter user '||destination_schema||' identified by '||NVL(new_password, destination_schema);
   /* finally, remove the dump file */
   utl_file.fremove('LOCAL_DATAPUMP_DIR','COPY_SCHEMA_EXP' ||copy_schema_unique_counter.CURRVAL|| '.DMP');
/*EXCEPTION
   WHEN OTHERS THEN    --CLEAN UP IF SOMETHING GOES WRONG
      SELECT t.table_name
      INTO v_table_name
      FROM user_tables t, user_datapump_jobs j
      WHERE t.table_name=j.job_name
      AND j.state='NOT RUNNING';
      execute immediate 'DROP TABLE ' || v_table_name || ' PURGE';
      RAISE;*/
end copy_schema3;
/The import part of the procedure takes about 2 minutes which is the same time a regular dp import takes on the same schema.
If I disable the import completely it (the export) still takes about 14 minutes.
Does anyone know why the export using dbms_datapump takes so long for exporting?
thanks.

Hi,
I did a tkprof on the DM trace file and this is what I found:
Trace file: D:\Oracle\diag\rdbms\instanceid\instanceid\trace\instanceid_dm00_8004.trc
Sort options: prsela execpu fchela
count    = number of times OCI procedure was executed
cpu      = cpu time in seconds executing
elapsed = elapsed time in seconds executing
disk     = number of physical reads of buffers from disk
query    = number of buffers gotten for consistent read
current = number of buffers gotten in current mode (usually for update)
rows     = number of rows processed by the fetch or execute call
SQL ID: bjf05cwcj5s6p
Plan Hash: 0
BEGIN :1 := sys.kupc$que_int.receive(:2); END;
call     count       cpu    elapsed       disk      query    current        rows
Parse        3      0.00       0.00          0          0          0           0
Execute    229      1.26     939.00         10       2445          0          66
Fetch        0      0.00       0.00          0          0          0           0
total      232      1.26     939.00         10       2445          0          66
Misses in library cache during parse: 0
Optimizer mode: ALL_ROWS
Parsing user id: SYS   (recursive depth: 2)
Elapsed times include waiting on following events:
Event waited on                             Times   Max. Wait Total Waited
----------------------------------------   Waited ---------- ------------
wait for unread message on broadcast channel
                                                949        1.01        936.39
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