To connect two different database instance, what configuration in web cleint is necessary?


Hi all

We had two P6 database instance as a DEV and PROD

We want to configure the web client so that the user can select either DEV or PROD according to the requirement by the same URL.

Can you please tell me what I need to do in the web to work with two DB instance client?

Normally, changes are reflected without bouncing the middle tier (weblogic Server). If t is not then rebound / restart the server managed by admin / when P6 application is deployed.

Kind regards

Sachin Gupta

Tags: Oracle Applications

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  • Same SQL different execution Plans in two different database instances.

    Hi all

    I run a different query on two instances of database. On one instance, the query takes 30 minutes and the other it takes 10 hours to complete. Data on the two instances are the same. When I generated the execution plan, on the two cases, it was different.

    OS: Redhat Linux 5
    Database version: 11.2.02 (on two instances)

    Plan on 1 Instance that takes 30 minutes.
    SELECT 
     X_REPLEN_RQST_INV_STG.BUSINESS_UNIT, 
     NVL(SUBSTR (W_PURCH_SCHEDULE_LINE_F.PURCH_ORDER_NUM, 
     INSTR(W_PURCH_SCHEDULE_LINE_F.PURCH_ORDER_NUM, '~', -1, 1) - LENGTH(W_PURCH_SCHEDULE_LINE_F.PURCH_ORDER_NUM)),'N/A') AS DOC_ID, 
     W_PURCH_SCHEDULE_LINE_F.PURCH_ORDER_ITEM, 
     W_PURCH_SCHEDULE_LINE_F.PURCH_SCHEDULE_NUM, 
     X_REPLEN_RQST_INV_STG.INV_ITEM_ID, 
     X_REPLEN_RQST_INV_STG.PROCESS_DATE AS REPLEN_PROCESS_DT, 
     X_REPLEN_RQST_INV_STG.EXPECTED_DATE AS REPLEN_EXPECTED_DT, 
     X_REPLEN_RQST_INV_STG.REORDER_QTY AS REPLEN_REORDER_QTY, 
     X_ITEM_ATTRIB_D.REPLENISH_CLASS AS REPLEN_CLASS, 
     X_REPLEN_RQST_INV_STG.REPLEN_STATUS, 
     X_REPLEN_RQST_INV_STG.REPLENISH_TYPE AS REPLEN_TYPE, 
     X_REPLEN_RQST_INV_STG.REQ_ID, 
     X_REPLEN_RQST_INV_STG.REQ_LINE_NBR, 
     X_REPLEN_RQST_INV_STG.REQ_SCHED_NBR, 
     X_REPLEN_RQST_INV_STG.REQ_DISTRIB_NBR, 
     P.FIRST_PO_DISP_DT, 
     W_PURCH_SCHEDULE_LINE_F.DATASOURCE_NUM_ID
FROM 
     X_REPLEN_RQST_INV_STG LEFT OUTER JOIN W_RQSTN_LINE_COST_F 
               ON X_REPLEN_RQST_INV_STG.RQSTN_LN_COST_INTG_ID = W_RQSTN_LINE_COST_F.INTEGRATION_ID 
                    AND X_REPLEN_RQST_INV_STG.DATASOURCE_NUM_ID = W_RQSTN_LINE_COST_F.DATASOURCE_NUM_ID 
     LEFT OUTER JOIN W_PURCH_COST_F 
               ON W_RQSTN_LINE_COST_F.INTEGRATION_ID = W_PURCH_COST_F.REQ_DISTR_INTG_ID 
                    AND W_RQSTN_LINE_COST_F.DATASOURCE_NUM_ID = W_PURCH_COST_F.DATASOURCE_NUM_ID 
     INNER join W_PURCH_SCHEDULE_LINE_F 
               ON W_PURCH_COST_F.PURCH_SCHEDULE_INTG_ID = W_PURCH_SCHEDULE_LINE_F.INTEGRATION_ID 
                    AND W_PURCH_COST_F.DATASOURCE_NUM_ID = W_PURCH_SCHEDULE_LINE_F.DATASOURCE_NUM_ID 
     LEFT OUTER JOIN W_STATUS_D S1 
               ON W_RQSTN_LINE_COST_F.APPROVAL_STATUS_WID = S1.ROW_WID 
                    AND W_RQSTN_LINE_COST_F.DATASOURCE_NUM_ID = S1.DATASOURCE_NUM_ID 
                    AND 'PURCH_APPROVE' = S1.W_STATUS_CLASS 
     LEFT OUTER JOIN W_STATUS_D S2 
               ON W_PURCH_COST_F.APPROVAL_STATUS_WID = S2.ROW_WID 
                    AND W_PURCH_COST_F.DATASOURCE_NUM_ID = S2.DATASOURCE_NUM_ID 
                    AND 'PURCH_APPROVE' = S2.W_STATUS_CLASS 
     LEFT OUTER JOIN (SELECT p1.BUSINESS_UNIT, p1.PO_ID, MIN(p1.DATETIME_DISP) AS FIRST_PO_DISP_DT
FROM 
          X_PS_PO_DISPATCHED p1 GROUP BY p1.BUSINESS_UNIT, p1.PO_ID) P 
               ON SUBSTR (W_PURCH_SCHEDULE_LINE_F.PURCH_ORDER_NUM, 1, INSTR(W_PURCH_SCHEDULE_LINE_F.PURCH_ORDER_NUM, '~', 1, 1)-1) = P.BUSINESS_UNIT 
                    AND SUBSTR (W_PURCH_SCHEDULE_LINE_F.PURCH_ORDER_NUM, INSTR(W_PURCH_SCHEDULE_LINE_F.PURCH_ORDER_NUM, '~', -1, 1) - LENGTH(W_PURCH_SCHEDULE_LINE_F.PURCH_ORDER_NUM)) = 

P.PO_ID      
     LEFT OUTER JOIN W_PRODUCT_D 
               ON W_PURCH_SCHEDULE_LINE_F.PRODUCT_WID = W_PRODUCT_D.ROW_WID 
     LEFT OUTER JOIN X_ITEM_ATTRIB_D 
               ON SUBSTR (W_PURCH_SCHEDULE_LINE_F.PURCH_ORDER_NUM, 1, INSTR(W_PURCH_SCHEDULE_LINE_F.PURCH_ORDER_NUM, '~', 1, 1)-1) = X_ITEM_ATTRIB_D.BUSINESS_UNIT 
                    AND W_PRODUCT_D.PART_NUM = X_ITEM_ATTRIB_D.INV_ITEM_ID
WHERE 
     TRIM(X_REPLEN_RQST_INV_STG.req_id) IS NOT NULL 
     AND X_REPLEN_RQST_INV_STG.replenish_type = '1' 
     AND X_REPLEN_RQST_INV_STG.replen_status = '4' 
     AND X_ITEM_ATTRIB_D.REPLENISH_CLASS = 'A' 
     AND S1.STATUS_CODE != 'X' 
     AND S2.STATUS_CODE != 'X' 
     AND P.FIRST_PO_DISP_DT IS NOT NULL

Execution Plan
----------------------------------------------------------
Plan hash value: 1674299164

----------------------------------------------------------------------------------------------------------------
| Id  | Operation                            | Name                    | Rows  | Bytes | Cost (%CPU)| Time     |
----------------------------------------------------------------------------------------------------------------
|   0 | SELECT STATEMENT                     |                         |     1 |   461 | 13942   (1)| 00:04:11 |
|*  1 |  HASH JOIN                           |                         |     1 |   461 | 13942   (1)| 00:04:11 |
|   2 |   NESTED LOOPS                       |                         |       |       |            |          |
|   3 |    NESTED LOOPS                      |                         |     1 |   441 | 10409   (1)| 00:03:08 |
|   4 |     NESTED LOOPS                     |                         |     1 |   421 | 10407   (1)| 00:03:08 |
|   5 |      NESTED LOOPS                    |                         |     1 |   388 | 10406   (1)| 00:03:08 |
|   6 |       NESTED LOOPS                   |                         |     1 |   319 | 10405   (1)| 00:03:08 |
|   7 |        NESTED LOOPS                  |                         |     1 |   280 | 10404   (1)| 00:03:08 |
|*  8 |         HASH JOIN                    |                         |     1 |   220 | 10401   (1)| 00:03:08 |
|   9 |          NESTED LOOPS                |                         |       |       |            |          |
|  10 |           NESTED LOOPS               |                         |    16 |  2896 | 10392   (1)| 00:03:08 |
|* 11 |            TABLE ACCESS FULL         | X_REPLEN_RQST_INV_STG   |    16 |  2432 | 10375   (1)| 00:03:07 |
|* 12 |            INDEX UNIQUE SCAN         | W_RQST_LN_CS_F_U1       |     1 |       |     1   (0)| 00:00:01 |
|  13 |           TABLE ACCESS BY INDEX ROWID| W_RQSTN_LINE_COST_F     |     1 |    29 |     2   (0)| 00:00:01 |
|* 14 |          TABLE ACCESS FULL           | W_STATUS_D              |     1 |    39 |     8   (0)| 00:00:01 |
|  15 |         TABLE ACCESS BY INDEX ROWID  | W_PURCH_COST_F          |     1 |    60 |     3   (0)| 00:00:01 |
|* 16 |          INDEX RANGE SCAN            | W_PURCH_COST_F_M1       |     1 |       |     2   (0)| 00:00:01 |
|* 17 |        TABLE ACCESS BY INDEX ROWID   | W_STATUS_D              |     1 |    39 |     1   (0)| 00:00:01 |
|* 18 |         INDEX UNIQUE SCAN            | W_STATUS_D_P1           |     1 |       |     0   (0)| 00:00:01 |
|  19 |       TABLE ACCESS BY INDEX ROWID    | W_PURCH_SCHEDULE_LINE_F |     1 |    69 |     1   (0)| 00:00:01 |
|* 20 |        INDEX UNIQUE SCAN             | W_PRCH_SC_LN_F_U1       |     1 |       |     1   (0)| 00:00:01 |
|  21 |      TABLE ACCESS BY INDEX ROWID     | W_PRODUCT_D             |     1 |    33 |     1   (0)| 00:00:01 |
|* 22 |       INDEX UNIQUE SCAN              | W_PRODUCT_D_P1          |     1 |       |     0   (0)| 00:00:01 |
|* 23 |     INDEX RANGE SCAN                 | X_ITEM_ATTRIB_U01       |     1 |       |     1   (0)| 00:00:01 |
|* 24 |    TABLE ACCESS BY INDEX ROWID       | X_ITEM_ATTRIB_D         |     1 |    20 |     2   (0)| 00:00:01 |
|  25 |   VIEW                               |                         |  1428K|    27M|  3529   (2)| 00:01:04 |
|* 26 |    FILTER                            |                         |       |       |            |          |
|  27 |     HASH GROUP BY                    |                         |  1428K|    27M|  3529   (2)| 00:01:04 |
|  28 |      TABLE ACCESS FULL               | X_PS_PO_DISPATCHED      |  1428K|    27M|  3493   (1)| 00:01:03 |
----------------------------------------------------------------------------------------------------------------
    On the Instance 2
    SELECT 
     X_REPLEN_RQST_INV_STG.BUSINESS_UNIT, 
     NVL(SUBSTR (W_PURCH_SCHEDULE_LINE_F.PURCH_ORDER_NUM, 
     INSTR(W_PURCH_SCHEDULE_LINE_F.PURCH_ORDER_NUM, '~', -1, 1) - LENGTH(W_PURCH_SCHEDULE_LINE_F.PURCH_ORDER_NUM)),'N/A') AS DOC_ID, 
     W_PURCH_SCHEDULE_LINE_F.PURCH_ORDER_ITEM, 
     W_PURCH_SCHEDULE_LINE_F.PURCH_SCHEDULE_NUM, 
     X_REPLEN_RQST_INV_STG.INV_ITEM_ID, 
     X_REPLEN_RQST_INV_STG.PROCESS_DATE AS REPLEN_PROCESS_DT, 
     X_REPLEN_RQST_INV_STG.EXPECTED_DATE AS REPLEN_EXPECTED_DT, 
     X_REPLEN_RQST_INV_STG.REORDER_QTY AS REPLEN_REORDER_QTY, 
     X_ITEM_ATTRIB_D.REPLENISH_CLASS AS REPLEN_CLASS, 
     X_REPLEN_RQST_INV_STG.REPLEN_STATUS, 
     X_REPLEN_RQST_INV_STG.REPLENISH_TYPE AS REPLEN_TYPE, 
     X_REPLEN_RQST_INV_STG.REQ_ID, 
     X_REPLEN_RQST_INV_STG.REQ_LINE_NBR, 
     X_REPLEN_RQST_INV_STG.REQ_SCHED_NBR, 
     X_REPLEN_RQST_INV_STG.REQ_DISTRIB_NBR, 
     P.FIRST_PO_DISP_DT, 
     W_PURCH_SCHEDULE_LINE_F.DATASOURCE_NUM_ID
FROM 
     X_REPLEN_RQST_INV_STG LEFT OUTER JOIN W_RQSTN_LINE_COST_F 
               ON X_REPLEN_RQST_INV_STG.RQSTN_LN_COST_INTG_ID = W_RQSTN_LINE_COST_F.INTEGRATION_ID 
                    AND X_REPLEN_RQST_INV_STG.DATASOURCE_NUM_ID = W_RQSTN_LINE_COST_F.DATASOURCE_NUM_ID 
     LEFT OUTER JOIN W_PURCH_COST_F 
               ON W_RQSTN_LINE_COST_F.INTEGRATION_ID = W_PURCH_COST_F.REQ_DISTR_INTG_ID 
                    AND W_RQSTN_LINE_COST_F.DATASOURCE_NUM_ID = W_PURCH_COST_F.DATASOURCE_NUM_ID 
     INNER join W_PURCH_SCHEDULE_LINE_F 
               ON W_PURCH_COST_F.PURCH_SCHEDULE_INTG_ID = W_PURCH_SCHEDULE_LINE_F.INTEGRATION_ID 
                    AND W_PURCH_COST_F.DATASOURCE_NUM_ID = W_PURCH_SCHEDULE_LINE_F.DATASOURCE_NUM_ID 
     LEFT OUTER JOIN W_STATUS_D S1 
               ON W_RQSTN_LINE_COST_F.APPROVAL_STATUS_WID = S1.ROW_WID 
                    AND W_RQSTN_LINE_COST_F.DATASOURCE_NUM_ID = S1.DATASOURCE_NUM_ID 
                    AND 'PURCH_APPROVE' = S1.W_STATUS_CLASS 
     LEFT OUTER JOIN W_STATUS_D S2 
               ON W_PURCH_COST_F.APPROVAL_STATUS_WID = S2.ROW_WID 
                    AND W_PURCH_COST_F.DATASOURCE_NUM_ID = S2.DATASOURCE_NUM_ID 
                    AND 'PURCH_APPROVE' = S2.W_STATUS_CLASS 
     LEFT OUTER JOIN (SELECT p1.BUSINESS_UNIT, p1.PO_ID, MIN(p1.DATETIME_DISP) AS FIRST_PO_DISP_DT
FROM 
          X_PS_PO_DISPATCHED p1 GROUP BY p1.BUSINESS_UNIT, p1.PO_ID) P 
               ON SUBSTR (W_PURCH_SCHEDULE_LINE_F.PURCH_ORDER_NUM, 1, INSTR(W_PURCH_SCHEDULE_LINE_F.PURCH_ORDER_NUM, '~', 1, 1)-1) = P.BUSINESS_UNIT 
                    AND SUBSTR (W_PURCH_SCHEDULE_LINE_F.PURCH_ORDER_NUM, INSTR(W_PURCH_SCHEDULE_LINE_F.PURCH_ORDER_NUM, '~', -1, 1) - LENGTH(W_PURCH_SCHEDULE_LINE_F.PURCH_ORDER_NUM)) = 

P.PO_ID      
     LEFT OUTER JOIN W_PRODUCT_D 
               ON W_PURCH_SCHEDULE_LINE_F.PRODUCT_WID = W_PRODUCT_D.ROW_WID 
     LEFT OUTER JOIN X_ITEM_ATTRIB_D 
               ON SUBSTR (W_PURCH_SCHEDULE_LINE_F.PURCH_ORDER_NUM, 1, INSTR(W_PURCH_SCHEDULE_LINE_F.PURCH_ORDER_NUM, '~', 1, 1)-1) = X_ITEM_ATTRIB_D.BUSINESS_UNIT 
                    AND W_PRODUCT_D.PART_NUM = X_ITEM_ATTRIB_D.INV_ITEM_ID
WHERE 
     TRIM(X_REPLEN_RQST_INV_STG.req_id) IS NOT NULL 
     AND X_REPLEN_RQST_INV_STG.replenish_type = '1' 
     AND X_REPLEN_RQST_INV_STG.replen_status = '4' 
     AND X_ITEM_ATTRIB_D.REPLENISH_CLASS = 'A' 
     AND S1.STATUS_CODE != 'X' 
     AND S2.STATUS_CODE != 'X' 
     AND P.FIRST_PO_DISP_DT IS NOT NULL


---------------------------------------------------------------------------------------------------------------
| Id  | Operation                           | Name                    | Rows  | Bytes | Cost (%CPU)| Time     |
---------------------------------------------------------------------------------------------------------------
|   0 | SELECT STATEMENT                    |                         |     1 |   420 | 19630   (1)| 00:04:35 |
|   1 |  NESTED LOOPS                       |                         |       |       |            |       |
|   2 |   NESTED LOOPS                      |                         |     1 |   420 | 19630   (1)| 00:04:35 |
|   3 |    NESTED LOOPS                     |                         |     1 |   400 | 19627   (1)| 00:04:35 |
|   4 |     NESTED LOOPS                    |                         |     1 |   386 | 19626   (1)| 00:04:35 |
|   5 |      NESTED LOOPS                   |                         |     1 |   317 | 19625   (1)| 00:04:35 |
|   6 |       NESTED LOOPS                  |                         |     1 |   289 | 19624   (1)| 00:04:35 |
|   7 |        NESTED LOOPS                 |                         |     1 |   229 | 19621   (1)| 00:04:35 |
|   8 |         NESTED LOOPS                |                         |     1 |   201 | 19620   (1)| 00:04:35 |
|   9 |          MERGE JOIN CARTESIAN       |                         |     1 |   172 | 19619   (1)| 00:04:35 |
|  10 |           VIEW                      |                         |     1 |    20 |  4942   (2)| 00:01:10 |
|* 11 |            FILTER                   |                         |       |       |            |       |
|  12 |             HASH GROUP BY           |                         |     1 |    20 |  4942   (2)| 00:01:10 |
|  13 |              TABLE ACCESS FULL      | X_PS_PO_DISPATCHED      |  1428K|    27M|  4902   (1)| 00:01:09 |
|  14 |           BUFFER SORT               |                         |     1 |   152 | 19619   (1)| 00:04:35 |
|* 15 |            TABLE ACCESS FULL        | X_REPLEN_RQST_INV_STG   |     1 |   152 | 14676   (1)| 00:03:26 |
|  16 |          TABLE ACCESS BY INDEX ROWID| W_RQSTN_LINE_COST_F     |     1 |    29 |     1   (0)| 00:00:01 |
|* 17 |           INDEX UNIQUE SCAN         | W_RQST_LN_CS_F_U1       |     1 |       |     1   (0)| 00:00:01 |
|* 18 |         TABLE ACCESS BY INDEX ROWID | W_STATUS_D              |     1 |    28 |     1   (0)| 00:00:01 |
|* 19 |          INDEX UNIQUE SCAN          | W_STATUS_D_P1           |     1 |       |     0   (0)| 00:00:01 |
|  20 |        TABLE ACCESS BY INDEX ROWID  | W_PURCH_COST_F          |     3 |   180 |     3   (0)| 00:00:01 |
|* 21 |         INDEX RANGE SCAN            | W_PURCH_COST_F_M1       |     1 |       |     2   (0)| 00:00:01 |
|* 22 |       TABLE ACCESS BY INDEX ROWID   | W_STATUS_D              |     1 |    28 |     1   (0)| 00:00:01 |
|* 23 |        INDEX UNIQUE SCAN            | W_STATUS_D_P1           |     1 |       |     0   (0)| 00:00:01 |
|* 24 |      TABLE ACCESS BY INDEX ROWID    | W_PURCH_SCHEDULE_LINE_F |     1 |    69 |     1   (0)| 00:00:01 |
|* 25 |       INDEX UNIQUE SCAN             | W_PRCH_SC_LN_F_U1       |     1 |       |     1   (0)| 00:00:01 |
|* 26 |     TABLE ACCESS BY INDEX ROWID     | W_PRODUCT_D             |     1 |    14 |     1   (0)| 00:00:01 |
|* 27 |      INDEX UNIQUE SCAN              | W_PRODUCT_D_P1          |     1 |       |     0   (0)| 00:00:01 |
|* 28 |    INDEX RANGE SCAN                 | X_ITEM_ATTRIB_U01       |     1 |       |     2   (0)| 00:00:01 |
|* 29 |   TABLE ACCESS BY INDEX ROWID       | X_ITEM_ATTRIB_D         |     1 |    20 |     3   (0)| 00:00:01 |
---------------------------------------------------------------------------------------------------------------
    In the second execution plan, we can see that it uses a Cartesian product.

    Thank you.

    Oceaner wrote:
    Hi all

    I run a different query on two instances of database. On one instance, the query takes 30 minutes and the other it takes 10 hours to complete. Data on the two instances are the same. When I generated the execution plan, on the two cases, it was different.

    The most obvious difference is the subquery total inline:

    Quick plan:

    ----------------------------------------------------------------------------------------------------------------
| Id  | Operation                            | Name                    | Rows  | Bytes | Cost (%CPU)| Time     |
----------------------------------------------------------------------------------------------------------------
|*  1 |  HASH JOIN                           |                         |     1 |   461 | 13942   (1)| 00:04:11 |
|   2 |   NESTED LOOPS                       |                         |       |       |            |          |
...
|  25 |   VIEW                               |                         |  1428K|    27M|  3529   (2)| 00:01:04 |
|* 26 |    FILTER                            |                         |       |       |            |          |
|  27 |     HASH GROUP BY                    |                         |  1428K|    27M|  3529   (2)| 00:01:04 |
|  28 |      TABLE ACCESS FULL               | X_PS_PO_DISPATCHED      |  1428K|    27M|  3493   (1)| 00:01:03 |
----------------------------------------------------------------------------------------------------------------

    Plan of slow

    ---------------------------------------------------------------------------------------------------------------
| Id  | Operation                           | Name                    | Rows  | Bytes | Cost (%CPU)| Time     |
---------------------------------------------------------------------------------------------------------------
...
|   9 |          MERGE JOIN CARTESIAN       |                         |     1 |   172 | 19619   (1)| 00:04:35 |
|  10 |           VIEW                      |                         |     1 |    20 |  4942   (2)| 00:01:10 |
|* 11 |            FILTER                   |                         |       |       |            |          |
|  12 |             HASH GROUP BY           |                         |     1 |    20 |  4942   (2)| 00:01:10 |
|  13 |              TABLE ACCESS FULL      | X_PS_PO_DISPATCHED      |  1428K|    27M|  4902   (1)| 00:01:09 |
|  14 |           BUFFER SORT               |                         |     1 |   152 | 19619   (1)| 00:04:35 |
|* 15 |            TABLE ACCESS FULL        | X_REPLEN_RQST_INV_STG   |     1 |   152 | 14676   (1)| 00:03:26 |
...
---------------------------------------------------------------------------------------------------------------

    Note the value of lines given to the operation - VIEW


    One for the slow plan - that of why Oracle chose display online as a starting point for the query and used a Cartesian merge join to join to the table nearby.

    1.4Million for the fast plan - this is why Oracle has decided to visit the table set and use it as the table of the probe in a hash join.

    I think we can assume that the estimation of the single line is a big mistake. We can also assume that the two series of statistics (or possibly index definitions) on the tables two versions do not match.

    It would be useful, of course, see the comprehensive implementation plan, and preferably one from memory: (http://jonathanlewis.wordpress.com/2006/12/22/dbms_xplan-again/).

    You might notice that you outer joins are not relevant - maybe this SQL is a framework for a more general query - given that the plan shows that they have all been turned away.

    Concerning
    Jonathan Lewis
    http://jonathanlewis.WordPress.com
    Author: core Oracle

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