Query having cartesian product

hi
i have the following query
select f.item_number, case when f.item_number='1020101002' then f.calc_cement_sk else f.calc_amount end act
            from XXNP_OPN_JOBLOG_EST_002 F WHERE f.OPN_JOBLOG_001_ID ='6369'
output
ITEM_NUMBER     ACT
1020101001     NULL
1020111001     NULL
1020112001     NULL
1020113004     NULL
1020101002     494
1020102007     232
1020103004     37
1020104004     557
1020106002     20896
1020111001     5
1020112005     16253
1020112008     46
1020113004     40
1020222010     1393
ie 14 rows
another query
SELECT J.ITEM_NUMBER,j.opn_value FROM XXNP_OPN_JOBLOG_RES_005 J WHERE J.OPN_JOBLOG_001_ID ='6369'
output
ITEM_NUMBER     OPN_VALUE
1010101003     1
1010101004     3
1010101005     2
1010104016     1
1010103001     76
1010103002     228
1010106001     2
1010106006     147
1010107010     1
1010109009     1
1010107015     866
1010107014     799
1010107016     1631
ie 13 rows
when i do
select f.item_number, case when f.item_number='1020101002' then f.calc_cement_sk else f.calc_amount end act ,j.opn_value
       from XXNP_OPN_JOBLOG_EST_002 F ,XXNP_OPN_JOBLOG_RES_005 J   where   f.OPN_JOBLOG_001_ID = J.OPN_JOBLOG_001_ID and f.OPN_JOBLOG_001_ID ='6369'
i get 182 rows :( i know its due to cartesian product
is there any way i can get 27 rows only ,can i get the output in the format given below
ITEM_NUMBER     ACT                  opn_value
1020101001     NULL
1020111001     NULL
1020112001     NULL
1020113004     NULL
1020101002     494
1020102007     232
1020103004     37
1020104004     557
1020106002     20896
1020111001     5
1020112005     16253
1020112008     46
1020113004     40
1020222010     1393
1010101003                                                                     1
1010101004                                                                     3
1010101005                                                                      2
1010104016                                                                      1
1010103001                                                                     76
1010103002                                                                      228
1010106001                                                                      2
1010106006                                                                     147
1010107010                                                                      1
1010109009                                                                        1
1010107015                                                                      866
1010107014                                                                      791
1010107016                                                                    1631kindly guide
thanking in advance
Edited by: makdutakdu on Mar 31, 2011 8:03 AM

hi
script for XXNP_OPN_JOBLOG_RES_005
CREATE TABLE XXNP_OPN_JOBLOG_RES_005
OPN_JOBLOG_005_ID NUMBER,
OPN_JOBLOG_001_ID NUMBER,
WIP_ENTITY_ID      NUMBER,
WIP_ENTITY_NAME    VARCHAR2(240 BYTE),
OPN_RESOURCE_CODE VARCHAR2(30 BYTE),
OPN_UOM_CODE       VARCHAR2(30 BYTE),
OPN_VALUE          NUMBER,
OPN_MOV_DATE       DATE,
ORG_ID             NUMBER(15),
CREATION_DATE      DATE,
CREATED_BY         NUMBER(15),
LAST_UPDATE_DATE   DATE,
LAST_UPDATED_BY    NUMBER(15),
LAST_UPDATE_LOGIN NUMBER(15),
OPN_RESOURCE_DESC VARCHAR2(500 BYTE),
ITEM_PRICE         NUMBER,
ITEM_NUMBER        NUMBER(10),
DIS_PER            NUMBER(3),
EST_VALUE          NUMBER(15,3),
VAL_ESTAB          NUMBER(15,3)
script for XXNP_OPN_JOBLOG_EST_002
CREATE TABLE XXNP_OPN_JOBLOG_EST_002
OPN_JOBLOG_002_ID   NUMBER,
OPN_JOBLOG_007_ID   NUMBER,
INVENTORY_ITEM_ID   NUMBER,
ITEM_NUMBER         VARCHAR2(20 BYTE),
ITEM_NAME           VARCHAR2(40 BYTE),
ITEM_UOM            VARCHAR2(30 BYTE),
ITEM_VALUE          NUMBER,
ITEM_PERCENT        NUMBER,
OPN_AMOUNT          NUMBER,
ITEM_CEMENT_SK      NUMBER,
ORG_ID              NUMBER(15),
CREATION_DATE       DATE,
CREATED_BY          NUMBER(15),
LAST_UPDATE_DATE    DATE,
LAST_UPDATED_BY     NUMBER(15),
LAST_UPDATE_LOGIN   NUMBER(15),
OPN_JOBLOG_001_ID   NUMBER,
OPN_JOBLOG_006_ID   NUMBER,
ITEM_REF            NUMBER,
DESCRIPTION         VARCHAR2(500 BYTE),
CALC_AMOUNT         NUMBER,
CALC_CEMENT_SK      NUMBER,
)

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>
what is a cartesian product
>
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SITE.TAX_TYPE_1099,
--CONTACT
CONT.PRIMARY_FLAG PRIMARY_CONTACT,
CONT.CONTACT_ROLE,
CONT.ACTIVE_STATUS CONTACT_STATUS,
CONT.FIRST_NAME,
CONT.LAST_NAME,
CONT.SALUTATION,
CONT.JOB_TITLE,
CONT.EMAIL_ADDRESS,
CONT.PHONE_LINE_TYPE,
CONT.PHONE_NUMBER,
CONT.PHONE_EXTENSION,
CONT.PHONE_AREA_CODE,
CONT.PHONE_COUNTRY_CODE,
CONT.PREFERRED_LANGUAGE,
--PRO
PRFL.CUSTOMER_PROFILE_CLASS,
PRFL.ACCOUNT_STATUS PROFILE_ACCT_STATUS,
PRFL.ACTIVE_STATUS PROFILE_ACTIVE_STATUS,
PRFL.ACCOUNT_STATUS_REASON,
PRFL.INVOICE_TYPE
FROM XXEX_AR_CUST_INT_CTRL_T CTRL,
XXEX_AR_CUST_ACCT_INT_T ACCT,
XXEX_AR_CUST_SITE_INT_T SITE,
XXEX_AR_CUST_CONTACT_INT_T CONT,
XXEX_AR_CUST_PROFILE_INT_T PRFL
WHERE CTRL.ORA_PROCESS_ID = ACCT.ORA_PROCESS_ID
AND ACCT.CUSTOMER_RECORD_ID = SITE.CUSTOMER_RECORD_ID
AND SITE.CUSTOMER_RECORD_ID = CONT.CUSTOMER_RECORD_ID
AND CONT.CUSTOMER_RECORD_ID = PRFL.CUSTOMER_RECORD_ID
AND acct.Supplier_process_status = 'E'
How i should join the 6 tables..

Rashmi Gupta wrote:
No all table have records corresponding to each customer ID... But what if one of the table has 1 row..?
I checked the result.. there is a Cartesian product.
Customer_Record_ID is unique identifier in 4 tables -
XXEX_AR_CUST_ACCT_INT_T ACCT,
XXEX_AR_CUST_SITE_INT_T SITE,
XXEX_AR_CUST_CONTACT_INT_T CONT,
XXEX_AR_CUST_PROFILE_INT_T PRFL
XXEX_AR_CUST_INT_CTRL_T CTRL and XXEX_AR_CUST_ACCT_INT_T ACCT tables have ora_process_id column common so joined between them.
We dont use primary keys in Interface tables.. we are just using unique indentifier
Edited by: Rashmi Gupta on Jan 30, 2012 5:58 AMAbove is a very well worded version of what I was getting around to, but in the mean time I've been distracted by your "we don't use primary keys"...when you say "unique identifier" please tell me you mean "unique constraint" ?

How Cartesian products affects Sybase IQ performance?

In my IQ message log, I have the following message:
I. 04/21 08:28:22. 0001847919 Exception Thrown from dfo_Root.cxx:822, Err# 0, tid 8 origtid 8
I. 04/21 08:28:22. 0001847919 O/S Err#: 0, ErrID: 9216 (df_Exception); SQLCode: -1005015, SQLState: 'QTA15', Severity: 14
I. 04/21 08:28:22. 0001847919 [20169]: The optimizer was unable to find a query plan that avoided cartesian product joins larger than the Max_Cartesian_Result setting
-- (dfo_Root.cxx 822)
I don´t know if
this situation may affect the overall performance
Thank you

Hi Jairo,
As Cartesian product (no join conditions) selects large number of rows, it requires more exec time, temp space (if order by, group by, etc,..) , temp cache, main cache, threads.
To get close estimations about query resources consumtion, you can generate plans without execution using option NoExec.
Query plan option recommended are : quary_name, query_plan, query_detail, query_plan_as_html, query_plan_as_html_directory, dml_options10.
See Generating Query Plans
Note that other resource monitoring options can be enabled/used , but they require effectivel query exection. The info are collected once execution is finished with success. Eg. query_plan_after_run and query_timing.
Regards,
Tayeb.

CARTESIAN PRODUCT problem

hello,
i m trying to find the difference for calculating the DIFFENCE IN STOCK FOR OPC,PPC,CLINKER BY USING FOLLOWING SQL-QUERY
SELECT TO_CHAR(a.dateofmtrl,'YYYY') YEAR,
SUM(a.rm1) - SUM(b.rm1) - SUM(c.rm1) OPC,
SUM(a.rm2) - SUM(b.rm2) - sum(c.rm2) PPC,
SUM(a.rm3) - SUM(b.rm3) - sum(c.rm3) CLINKER
FROM rawmtrl_graph a
INNER JOIN rawmtrl_graph b ON TO_CHAR(a.dateofmtrl,'YYYY') =TO_CHAR(B.dateofmtrl,'YYYY')
INNER JOIN rawmtrl_graph c ON TO_CHAR(a.dateofmtrl,'YYYY') =TO_CHAR(C.dateofmtrl,'YYYY')
WHERE a.mtrl_flag='P'
AND b.mtrl_flag='D'
AND c.mtrl_flag='CS'
GROUP BY TO_CHAR(a.dateofmtrl,'YYYY')
BUT IT IS GIVING CARTESIAN PRODUCT...
HOW TO MODIFY THE QUERY FOR FINDING EXACT FIGURE??????
THANKS IN ADVENCE FOR ANY HELP.....

Hi,
please always put your code between two lines starting with {noformat}{noformat}.
Additionally when you put insert statement put them entirely and not copying from one table we don't have.
Here the way to get the result you want:SELECT EXTRACT(YEAR FROM dateofmtrl) yr
, SUM(CASE mtrl_flag WHEN 'P' THEN rm1 ELSE -rm1 END) AS opc
, SUM(CASE mtrl_flag WHEN 'P' THEN rm2 ELSE -rm2 END) AS ppc
, SUM(CASE mtrl_flag WHEN 'P' THEN rm3 ELSE -rm3 END) AS clinker
FROM rawmtrlgraph
GROUP BY EXTRACT(YEAR FROM dateofmtrl);
YR OPC PPC CLINKER
2011 50 54 55
2012 -49 -3 -11
Regards.
Al

Cartesian Product - Report script

Hi All,
I am trying to export data for a specific scenario and version using report script.
I am taking level 0 members of a specific dimension and it is throwing error as follows:
"The Product of member counts across all dimensions in the query exceeds 2^64"
I think the cartesian product is beyond the limit value.
Is there any alternative method to export data of level 0 members for that dimension?
or is there any command to select only few members from that dimension, so that I can make into two scripts and execute to export data.
Thanks.
Regards
Rav

"or is there any command to select only few members from that dimension,"
Take a look at the member selection report script commands. If you have a hierarchies in your dimensions than you can use these to "break up"/more narrowly focus your report script

Query having cartesian product

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