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09/15/2008 at 09:04AM PDT, ID: 23732416
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7.6

tune the query ( distinct )

Asked by vishali_vishu in Oracle 9.x, Oracle Database, Oracle 10.x

Tags: oracle

i created a bitmap index on event_25 and an b-tree index on order_no_10 and the query is executing for 2.5 mins.....

if i remove the distinct ......it is running in seconds....

what should i do ? 
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SELECT DISTINCT g1.state_5 state, g1.order_no_10 asr_no, g1.ccna_22 ccna,
                g1.provisioning_center_9 prov_center, g1.pon_12 pon,
                g1.related_order_13 rord, g1.version_11 ver,
                g1.product_14 product, g1.svc_type_sc_18 sc,
                DECODE (g1.activity_15,
                        'N', 'New',
                        'D', 'Disco',
                        'C', 'Change'
                       ) activity,
                g1.st_16 st, g1.crdd_jep_32 crdd_jep, g1.ead_jep_33 ead_jep,
                (CASE
                    WHEN ead_jep_33 LIKE 'H37%'
                       THEN DECODE (ead_jep_33,
                                    'H37A', 'Internal AT&T Initiated (Pre-ASR)',
                                    'H37B', 'Internal AT&T Initiated (Post-ASR)',
                                    'H37C', 'Customer Initiated (Pre-ASR)',
                                    'H37D', 'Customer Initiated (Post-ASR)',
                                    'H37E', 'Provisioning',
                                    'H37F', 'Provisioning',
                                    'H37G', 'Provisioning',
                                    'H37H', 'Provisioning',
                                    'H37I', 'Cancelled (Pre-ASR)',
                                    'H37J', 'Cancelled (Post-ASR)',
                                    'H37K', 'Internal on EFMS Escal',
                                    'H37M', 'Provisioning',
                                    'H37P', 'Database Discrepancy',
                                    'H37R', 'Internal on EFMS Escal',
                                    'H37S', 'Customer Initiated (EFMS)',
                                    'H37T', 'Escalations for FOC EAD or DLR (EFMS)',
                                    'H37X', 'Provisioning',
                                    'H37Z', 'Provisioning'
                                   )
                    WHEN crdd_jep_32 LIKE 'H37%'
                       THEN DECODE (crdd_jep_32,
                                    'H37A', 'Internal AT&T Initiated (Pre-ASR)',
                                    'H37B', 'Internal AT&T Initiated (Post-ASR)',
                                    'H37C', 'Customer Initiated (Pre-ASR)',
                                    'H37D', 'Customer Initiated (Post-ASR)',
                                    'H37E', 'Provisioning',
                                    'H37F', 'Provisioning',
                                    'H37G', 'Provisioning',
                                    'H37H', 'Provisioning',
                                    'H37I', 'Cancelled (Pre-ASR)',
                                    'H37J', 'Cancelled (Post-ASR)',
                                    'H37K', 'Internal on EFMS Escal',
                                    'H37M', 'Provisioning',
                                    'H37P', 'Database Discrepancy',
                                    'H37R', 'Internal on EFMS Escal',
                                    'H37S', 'Customer Initiated (EFMS)',
                                    'H37T', 'Escalations for FOC EAD or DLR (EFMS)',
                                    'H37X', 'Provisioning',
                                    'H37Z', 'Provisioning'
                                   )
                    ELSE 'NEO Escalation'
                 END
                ) expedite_desc,
                TO_CHAR (g1.order_due_date_38, 'MM/DD/YYYY') dd_due,
                TO_CHAR (g1.order_create_date_24, 'MM/DD/YYYY') create_date,
                g1.dd_jep_34 dd_jep, g1.jmc_jep_35 jmc_jep, g1.city_4 city,
                g1.area_mgr_3 om, g1.region_1 region,
                TO_CHAR ((SELECT due_date_26
                            FROM gnfo_report_asr
                           WHERE order_no_10 = g1.order_no_10
                             AND event_25 = 'XCDD'
                             AND ROWNUM = 1),
                         'MM/DD/YYYY'
                        ) xcdd_due,
                TO_CHAR ((SELECT comp_date_27
                            FROM gnfo_report_asr
                           WHERE order_no_10 = g1.order_no_10
                             AND event_25 = 'XCDD'
                             AND ROWNUM = 1),
                         'MM/DD/YYYY'
                        ) xcdd_comp,
                (SELECT jep_code_28
                   FROM gnfo_report_asr
                  WHERE order_no_10 = g1.order_no_10
                    AND event_25 = 'XCDD'
                    AND ROWNUM = 1) xcdd_jep,
                TO_CHAR ((SELECT due_date_26
                            FROM gnfo_report_asr
                           WHERE order_no_10 = g1.order_no_10
                             AND event_25 = 'EDD'
                             AND ROWNUM = 1),
                         'MM/DD/YYYY'
                        ) edd_due,
                TO_CHAR ((SELECT comp_date_27
                            FROM gnfo_report_asr
                           WHERE order_no_10 = g1.order_no_10
                             AND event_25 = 'EDD'
                             AND ROWNUM = 1),
                         'MM/DD/YYYY'
                        ) edd_comp,
                TO_CHAR ((SELECT due_date_26
                            FROM gnfo_report_asr
                           WHERE order_no_10 = g1.order_no_10
                             AND event_25 = 'INSC'
                             AND ROWNUM = 1),
                         'MM/DD/YYYY'
                        ) insc_due,
                TO_CHAR ((SELECT comp_date_27
                            FROM gnfo_report_asr
                           WHERE order_no_10 = g1.order_no_10
                             AND event_25 = 'INSC'
                             AND ROWNUM = 1),
                         'MM/DD/YYYY'
                        ) insc_comp,
                TO_CHAR ((SELECT due_date_26
                            FROM gnfo_report_asr
                           WHERE order_no_10 = g1.order_no_10
                             AND event_25 = 'HXDD'
                             AND ROWNUM = 1),
                         'MM/DD/YYYY'
                        ) hxdd_due,
                TO_CHAR ((SELECT comp_date_27
                            FROM gnfo_report_asr
                           WHERE order_no_10 = g1.order_no_10
                             AND event_25 = 'HXDD'
                             AND ROWNUM = 1),
                         'MM/DD/YYYY'
                        ) hxdd_comp,
                (SELECT jep_code_28
                   FROM gnfo_report_asr
                  WHERE order_no_10 = g1.order_no_10
                    AND event_25 = 'HXDD'
                    AND ROWNUM = 1) hxdd_jep,
                TO_CHAR ((SELECT due_date_26
                            FROM gnfo_report_asr
                           WHERE order_no_10 = g1.order_no_10
                             AND event_25 = 'LCDD'
                             AND ROWNUM = 1),
                         'MM/DD/YYYY'
                        ) lcdd_due,
                TO_CHAR ((SELECT comp_date_27
                            FROM gnfo_report_asr
                           WHERE order_no_10 = g1.order_no_10
                             AND event_25 = 'LCDD'
                             AND ROWNUM = 1),
                         'MM/DD/YYYY'
                        ) lcdd_comp,
                (SELECT jep_code_28
                   FROM gnfo_report_asr
                  WHERE order_no_10 = g1.order_no_10
                    AND event_25 = 'LCDD'
                    AND ROWNUM = 1) lcdd_jep,
                TO_CHAR ((SELECT due_date_26
                            FROM gnfo_report_asr
                           WHERE order_no_10 = g1.order_no_10
                             AND event_25 = 'LABL'
                             AND ROWNUM = 1),
                         'MM/DD/YYYY'
                        ) labl_due,
                TO_CHAR ((SELECT comp_date_27
                            FROM gnfo_report_asr
                           WHERE order_no_10 = g1.order_no_10
                             AND event_25 = 'LABL'
                             AND ROWNUM = 1),
                         'MM/DD/YYYY'
                        ) labl_comp,
                (SELECT jep_code_28
                   FROM gnfo_report_asr
                  WHERE order_no_10 = g1.order_no_10
                    AND event_25 = 'LABL'
                    AND ROWNUM = 1) labl_jep,
                TO_CHAR ((SELECT due_date_26
                            FROM gnfo_report_asr
                           WHERE order_no_10 = g1.order_no_10
                             AND event_25 = 'PLDD'
                             AND ROWNUM = 1),
                         'MM/DD/YYYY'
                        ) pldd_due,
                TO_CHAR ((SELECT comp_date_27
                            FROM gnfo_report_asr
                           WHERE order_no_10 = g1.order_no_10
                             AND event_25 = 'PLDD'
                             AND ROWNUM = 1),
                         'MM/DD/YYYY'
                        ) pldd_comp,
                (SELECT jep_code_28
                   FROM gnfo_report_asr
                  WHERE order_no_10 = g1.order_no_10
                    AND event_25 = 'PLDD'
                    AND ROWNUM = 1) pldd_jep,
                TO_CHAR ((SELECT due_date_26
                            FROM gnfo_report_asr
                           WHERE order_no_10 = g1.order_no_10
                             AND event_25 = 'CTD'
                             AND ROWNUM = 1),
                         'MM/DD/YYYY'
                        ) ctd_due,
                TO_CHAR ((SELECT comp_date_27
                            FROM gnfo_report_asr
                           WHERE order_no_10 = g1.order_no_10
                             AND event_25 = 'CTD'
                             AND ROWNUM = 1),
                         'MM/DD/YYYY'
                        ) ctd_comp,
                (SELECT jep_code_28
                   FROM gnfo_report_asr
                  WHERE order_no_10 = g1.order_no_10
                    AND event_25 = 'CTD'
                    AND ROWNUM = 1) ctd_jep,
                TO_CHAR (g1.order_create_date_24, 'YYYY') YEAR
           FROM gnfo_report_asr g1
 
Keywords: tune the query ( distinct )
Title
1 K-Means in C#
2 Need fast sorting routine
 
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[+][-]09/15/08 12:51 PM, ID: 22482210

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Zones: Oracle 9.x, Oracle Database, Oracle 10.x
Tags: oracle
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Solution Provided By: DiscoNova
Participating Experts: 3
Solution Grade: A
 
 
[+][-]09/15/08 07:42 PM, ID: 22484452

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[+][-]11/04/08 12:37 AM, ID: 22874376

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[+][-]12/13/08 06:13 PM, ID: 23166244

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[+][-]12/18/08 03:37 PM, ID: 23208972

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