How to reduce the size of the database

Hi
My recent observation on my DB size and the population of it. Apparently the DB is very fragmented and I have actual data upto 800GB but the container size is more 1.1TB.
Could you kindly recommend me what to do in order to reduce the size of the allocated container space?
I appriciate value suggestions and URLs.
thanks
Raj

Rangarajan wrote:
b) re-organise and then shrink tablespaces.
Means..?In case you are not familiar with the instructions that came with your Oracle database
http://tahiti.oracle.com/
Pick your version, e.g.
http://www.oracle.com/pls/db112/homepage
Type shrink tablespace in the search box at the top of the page
http://www.oracle.com/pls/db112/search?remark=quick_search&word=shrink+tablespace
And pick a link that looks promising and read it, e.g.
http://download.oracle.com/docs/cd/E11882_01/server.112/e10897/storage.htm#ADMQS12071

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Can any one suggest me how to reduce the size of the following query .
/* Formatted on 2011/07/12 11:02 (Formatter Plus v4.8.8) */
SELECT prs.pa_rqst_srvc_sid,
(SELECT prpre.erroneous_data_value
FROM pa_error pe,
pa_error_detail ped,
pa_request_procedure_run_error prpre
WHERE pe.pa_error_sid = ped.pa_error_sid
AND ped.pa_error_sid = prpre.pa_error_sid
AND ped.oprtnl_flag = 'A'
AND prpre.oprtnl_flag = 'A'
AND prpre.pa_rqst_prcdr_sid = prp.pa_rqst_prcdr_sid
AND pe.pa_error_nmbr = '5031'
AND ped.aaa_segment_loop_nmbr = '2000F') revenue_iid,
(SELECT prpre.erroneous_data_value
FROM pa_error pe,
pa_error_detail ped,
pa_request_procedure_run_error prpre
WHERE pe.pa_error_sid = ped.pa_error_sid
AND ped.pa_error_sid = prpre.pa_error_sid
AND ped.oprtnl_flag = 'A'
AND prpre.oprtnl_flag = 'A'
AND prpre.pa_rqst_prcdr_sid = prp.pa_rqst_prcdr_sid
AND pe.pa_error_nmbr = '5013'
AND ped.aaa_segment_loop_nmbr = '2000F') x12_code_list_qlfr_lkpcd,
(SELECT prpre.erroneous_data_value
FROM pa_error pe,
pa_error_detail ped,
pa_request_procedure_run_error prpre
WHERE pe.pa_error_sid = ped.pa_error_sid
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AND ped.oprtnl_flag = 'A'
AND prpre.oprtnl_flag = 'A'
AND prpre.pa_rqst_prcdr_sid = prp.pa_rqst_prcdr_sid
AND pe.pa_error_nmbr = '5026'
AND ped.aaa_segment_loop_nmbr = '2000F') procedure_iid,
(SELECT prpre.erroneous_data_value
FROM pa_error pe,
pa_error_detail ped,
pa_request_procedure_run_error prpre
WHERE pe.pa_error_sid = ped.pa_error_sid
AND ped.pa_error_sid = prpre.pa_error_sid
AND ped.oprtnl_flag = 'A'
AND prpre.oprtnl_flag = 'A'
AND prpre.pa_rqst_prcdr_sid = prp.pa_rqst_prcdr_sid
AND pe.pa_error_nmbr = '5027'
AND ped.aaa_segment_loop_nmbr = '2000F') mdfr_code,
(SELECT prpre.erroneous_data_value
FROM pa_error pe,
pa_error_detail ped,
pa_request_procedure_run_error prpre
WHERE pe.pa_error_sid = ped.pa_error_sid
AND ped.pa_error_sid = prpre.pa_error_sid
AND ped.oprtnl_flag = 'A'
AND prpre.oprtnl_flag = 'A'
AND prpre.pa_rqst_prcdr_sid = prp.pa_rqst_prcdr_sid
AND pe.pa_error_nmbr = '5028'
AND ped.aaa_segment_loop_nmbr = '2000F') mdfr2_code,
(SELECT prpre.erroneous_data_value
FROM pa_error pe,
pa_error_detail ped,
pa_request_procedure_run_error prpre
WHERE pe.pa_error_sid = ped.pa_error_sid
AND ped.pa_error_sid = prpre.pa_error_sid
AND ped.oprtnl_flag = 'A'
AND prpre.oprtnl_flag = 'A'
AND prpre.pa_rqst_prcdr_sid = prp.pa_rqst_prcdr_sid
AND pe.pa_error_nmbr = '5029'
AND ped.aaa_segment_loop_nmbr = '2000F') mdfr3_code,
(SELECT prpre.erroneous_data_value
FROM pa_error pe,
pa_error_detail ped,
pa_request_procedure_run_error prpre
WHERE pe.pa_error_sid = ped.pa_error_sid
AND ped.pa_error_sid = prpre.pa_error_sid
AND ped.oprtnl_flag = 'A'
AND prpre.oprtnl_flag = 'A'
AND prpre.pa_rqst_prcdr_sid = prp.pa_rqst_prcdr_sid
AND pe.pa_error_nmbr = '5030'
AND ped.aaa_segment_loop_nmbr = '2000F') mdfr4_code,
(SELECT prpre.erroneous_data_value
FROM pa_error pe,
pa_error_detail ped,
pa_request_procedure_run_error prpre
WHERE pe.pa_error_sid = ped.pa_error_sid
AND ped.pa_error_sid = prpre.pa_error_sid
AND ped.oprtnl_flag = 'A'
AND prpre.oprtnl_flag = 'A'
AND prpre.pa_rqst_prcdr_sid = prp.pa_rqst_prcdr_sid
AND pe.pa_error_nmbr = '5014'
AND ped.aaa_segment_loop_nmbr = '2000F') rqst_prcdr_amt,
(SELECT prpre.erroneous_data_value
FROM pa_error pe,
pa_error_detail ped,
pa_request_procedure_run_error prpre
WHERE pe.pa_error_sid = ped.pa_error_sid
AND ped.pa_error_sid = prpre.pa_error_sid
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AND prpre.oprtnl_flag = 'A'
AND prpre.pa_rqst_prcdr_sid = prp.pa_rqst_prcdr_sid
AND pe.pa_error_nmbr = '5015'
AND ped.aaa_segment_loop_nmbr = '2000F') srvc_line_rate,
'NA' drug_desc, 'NA' product_service_id, 'NA' uom_code,
'NA' rqst_prcdr_units
FROM pa_transaction_request ptr,
input_acknwldgmnt ia,
input_batch_file ibf,
pa_request pr,
pa_request_service prs,
pa_request_procedure prp
WHERE ptr.input_acknwldgmnt_sid = ia.input_acknwldgmnt_sid
AND ia.input_batch_file_sid = ibf.input_batch_file_sid
AND ptr.pa_trnsctn_rqst_sid = pr.pa_trnsctn_rqst_sid
AND pr.pa_rqst_sid = prs.pa_rqst_sid
AND prs.pa_rqst_srvc_sid = prp.pa_rqst_srvc_sid
AND pr.oprtnl_flag = 'A'
AND prs.oprtnl_flag = 'A'
AND ptr.oprtnl_flag = 'A'
AND prp.oprtnl_flag = 'A'
AND prs.rqst_ctgry_lkpcd = 'AR'
AND ibf.original_file_name = 'HIPAA.165760000.20110613I001.278_IRej.dat';
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P Prakash

Hi,
Maybe like that, but keep in mind that it is highly untested_ :SELECT
prs.pa_rqst_srvc_sid,
pvt.c5031 revenue_iid,
pvt.c5013 x12_code_list_qlfr_lkpcd,
pvt.c5026 procedure_iid,
pvt.c5027 mdfr_code,
pvt.c5028 mdfr2_code,
pvt.c5029 mdfr3_code,
pvt.c5030 mdfr4_code,
pvt.c5014 rqst_prcdr_amt,
pvt.c5015 srvc_line_rate,
srvc_line_rate,
'NA' drug_desc,
'NA' product_service_id,
'NA' uom_code,
'NA' rqst_prcdr_units
FROM
pa_transaction_request ptr,
input_acknwldgmnt ia,
input_batch_file ibf,
pa_request pr,
pa_request_service prs,
pa_request_procedure prp,
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      prpre.pa_rqst_prcdr_sid,
      MAX(DECODE(pa_error_nmbr,'5013',prpre.erroneous_data_value,NULL)) c5013,
      MAX(DECODE(pa_error_nmbr,'5014',prpre.erroneous_data_value,NULL)) c5014,
      MAX(DECODE(pa_error_nmbr,'5015',prpre.erroneous_data_value,NULL)) c5015,
      MAX(DECODE(pa_error_nmbr,'5026',prpre.erroneous_data_value,NULL)) c5026,
      MAX(DECODE(pa_error_nmbr,'5027',prpre.erroneous_data_value,NULL)) c5027,
      MAX(DECODE(pa_error_nmbr,'5028',prpre.erroneous_data_value,NULL)) c5028,
      MAX(DECODE(pa_error_nmbr,'5029',prpre.erroneous_data_value,NULL)) c5029,
      MAX(DECODE(pa_error_nmbr,'5030',prpre.erroneous_data_value,NULL)) c5030,
      MAX(DECODE(pa_error_nmbr,'5031',prpre.erroneous_data_value,NULL)) c5031
    FROM
      pa_error pe,
      pa_error_detail ped,
      pa_request_procedure_run_error prpre
    WHERE
      pe.pa_error_sid     = ped.pa_error_sid
    AND ped.pa_error_sid = prpre.pa_error_sid
    AND ped.oprtnl_flag   = 'A'
    AND prpre.oprtnl_flag = 'A'
    AND pe.pa_error_nmbr IN ('5013','5014','5015','5026','5027','5028','5029',
      '5030','5031')
    AND ped.aaa_segment_loop_nmbr = '2000F'
    GROUP BY
      prpre.pa_rqst_prcdr_sid
pvt
WHERE
pvt.pa_rqst_prcdr_sid       = prp.pa_rqst_prcdr_sid
AND ptr.input_acknwldgmnt_sid = ia.input_acknwldgmnt_sid
AND ia.input_batch_file_sid   = ibf.input_batch_file_sid
AND ptr.pa_trnsctn_rqst_sid   = pr.pa_trnsctn_rqst_sid
AND pr.pa_rqst_sid            = prs.pa_rqst_sid
AND prs.pa_rqst_srvc_sid      = prp.pa_rqst_srvc_sid
AND pr.oprtnl_flag            = 'A'
AND prs.oprtnl_flag           = 'A'
AND ptr.oprtnl_flag           = 'A'
AND prp.oprtnl_flag           = 'A'
AND prs.rqst_ctgry_lkpcd      = 'AR'
AND ibf.original_file_name    = 'HIPAA.165760000.20110613I001.278_IRej.dat';Edited by: Nicosa on Jul 12, 2011 2:20 PM
Corrected columns aliases in outer query :
- c5031 instead of 5031
- c5013 instead of 5013

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