Using Prompt in Sub-Query

Hi there,
i have created a simple request with Product and count(distinct customer_key).
Products, # Customer_key
T-Shirts 15
Shoes 10
Jeans 13
Now I set a Filter with a subquery on the Products and the Static-Variable on Products:
(CUSTOMER_DIM.CUSTOMER_KEY IN ( SELECT CUSTOMER_DIM.CUSTOMER_KEY FROM DWH_WCE WHERE PRODUCTS_DIM.PRODUCTS = 'Shoes'))
Products, # Customer_key
T-Shirts 9
Shoes 10
Jeans 11
That works great.
Now I want the change the Static-Variable on Products to 'is Prompted' and Use a Dashboard Prompt.
(CUSTOMER_DIM.CUSTOMER_KEY IN ( SELECT CUSTOMER_DIM.CUSTOMER_KEY FROM DWH_WCE WHERE PRODUCTS_DIM.PRODUCTS is prompted))
Thats not working:
Error getting drill information: SELECT PRODUCTS_DIM.PRODUCTS saw_0, SALES_FACT.CUSTOMER_KEY saw_1 FROM DWH_WCE WHERE (CUSTOMER_DIM.CUSTOMER_KEY IN ( SELECT CUSTOMER_DIM.CUSTOMER_KEY FROM DWH_WCE WHERE PRODUCTS_DIM.PRODUCTS is prompted))
How could I else realise this?
Thanks
Frank

I would make the final query based upon a query which is prompted.
Put the Prompt on a page
put a report based upon the prompt on the page
Add the final report which has a column filter, which is based upon the report on the page.
This works fine for us.
Adrian
Majendi

Similar Messages

Using prompts with SQL query

Post Author: wleonetti
CA Forum: Crystal Reports
Hello!
I have acquired a report from our regional headquarters, and have been asked locally to add a prompt to one that already exists in the report.
The report currently uses an SQL query, which in turn uses a single prompt to limit the data reported. However, the name of the parameter in the Field Explorer in Parameter Fields is "Facility", but, when I use the Database Expert and select edit for the query (under Selected Tables, right-click on "Command" under the database and click on "Edit Command"--is Command a default name?), under the Parameter List, the name of the parameter there is "Facility1" (?). The SQL references the parameter "Facility1" (...like '{?Facility1}'), but I cannot find any link/interface between the Parameter List "Facility1" to the Parameter Field "Facility", and I cannot find any other references to "Facility1" anywhere else in the report (sorry, I'm very new at CR, and am not sure how to do a global search of a desired text string in the reports).
I have asked the author for an explanation, but he would only offer, after indicating that he ... was not obligated to help me in any way .., the following bone: "I just simply rename the parameter in Command from Facility1 to Facility which bears the same name as the parameter interface and it just works fine." This only served to confuse me more, since the parameter name currently in Command is "Facility1" (and the report works the way it is)--when I change the name of the parameter in Parameter List (and the parameter name in the SQL query) to "Facility" (to match the Parameter Field's "Facility"?) ... the parameter in the Parameter Fields ... disappears?
Can someone please instruct me how to, in whatever steps are necessary, add a parameter to the Parameter Fields and edit the SQL code to use that parameter? or point me to some documentation that will help me with this?
Thanks in advance for any help offered.
wleonetti

Hi Eric,
Try expressing the source as this:
begin
return functionname(to_date('30-sep-2010', 'dd-mon-yyyy'));
end;That works fine for me, and if I take out the begin-end and the trailing semicolon from the return statement I get the same behavior as you.
It does mention in the help for the source (only during the wizard though) that this source type has to be expressed that way, but I agree it would be helpful if the tool would validate for this format when 'Function Returning SQL Query' is used or give some sort of indication of the trouble. Anyway, this should get you going again.
Hope this helps,
John
If you find this information useful, please remember to mark the post "helpful" or "correct" so that others may benefit as well.

The issue with using the multiple columns sub-query in WHERE clause

Hi All,
my database version is 10.2.
the problem i am trying to deal with is that when I use multiple column sub-query in the WHERE clause of the SELECT statement, the actual row number returned from the sub-query is different from the whole statement.
And what I found is that, whenever there is NULL in any of those columns returned from the SUB-QUERY, the outer query will just return NULL for that whole row.
Here is an example:
select empno, ename, job, mgr, hiredate, sal, deptno from EMP
intersect
select empno, ename, job, mgr, hiredate, sal, deptno from t;
7782     CLARK     MANAGER     7839     09-JUN-81     2450     10
7839     KING     PRESIDENT NULL 17-NOV-81     5000     10
7934     MILLER     CLERK     7782     23-JAN-82     1300     10
select * from EMP where (EMPNO, ENAME, job, MGR, HIREDATE, SAL, DEPTNO) in (
select empno, ename, job, mgr, hiredate, sal, deptno from EMP
intersect
select empno, ename, job, mgr, hiredate, sal, deptno from t);
7782     CLARK     MANAGER     7839     09-JUN-81     2450          10
7934     MILLER     CLERK     7782     23-JAN-82     1300          10     If I specifically deal with the NULL situations for the columns which might return NULL, I can get the result right.
select * from EMP where (EMPNO, ENAME, job, NVL(MGR,-1), HIREDATE, SAL, DEPTNO) in (
select empno, ename, job, nvl(mgr,-1), hiredate, sal, deptno from EMP
intersect
select empno, ename, job, nvl(mgr,-1), hiredate, sal, deptno from t);
7782     CLARK     MANAGER     7839     09-JUN-81     2450          10
7839     KING     PRESIDENT null   17-NOV-81     5000          10
7934     MILLER     CLERK     7782     23-JAN-82     1300          10     the problem is that, I feel this is a very lame way of handling it.
So, I wonder or am asking if there is any better or standard way to do it?
any help would be highly appreciated.
Thanks

Hi,
As you discovered, INTERSECT treats NULL as a value, but IN does not.
What you did with NVL is one way to handle the situation. If there was a chance that any of the columns could be NULL, then you might prefer something like this:
select      *
from      EMP
where      ( EMPNO      || '~' ||
       ENAME      || '~' ||
       job           || '~' ||
       MGR           || '~' ||
       TO_CHAR (HIREDATE, 'DD-MON-YYYY HH24:MI:SS')
                || '~' ||
       SAL           || '~' ||
       DEPTNO
     ) in (
          select EMPNO      || '~' ||
                 ENAME      || '~' ||
               job     || '~' ||
               MGR     || '~' ||
               TO_CHAR (HIREDATE, 'DD-MON-YYYY HH24:MI:SS')
                    || '~' ||
               SAL      || '~' ||
               DEPTNO
          from     emp
         intersect
          select EMPNO      || '~' ||
                 ENAME      || '~' ||
               job     || '~' ||
               MGR     || '~' ||
               TO_CHAR (HIREDATE, 'DD-MON-YYYY HH24:MI:SS')
                    || '~' ||
               SAL      || '~' ||
               DEPTNO
          from      t
         );This assumes that you can identify some string (I used '~') that never occurs in the strings in these tables.
This is implicitly converting the NUMBERs. That's usually not a good thing to do. but explicitly converting them would make this even more tedious.
You should explicitly convert any DATEs to strings, however. Depending on your default format, and your data, you might get away with implicit conversions even for DATEs, but don't bet on it.
If you had to do this often, you might consider writing a user-defined function:
delimited_string (empno, ename, job, mgr, hiredate, sal, deptno) would return a string like
'7839~KING~PRESIDENT~~17-NOV-1981~5000~10'
This will make the coding easier, but beware: it will make the execution slower.

Case Statement in sub query

Hi, I have two issues, here is my initial code:
select
cc.name_id_no
,cc.discover_date
,cc.cla_case_no
,max(rl.year_of_incident)Non_Loss_Past_5
,rl.timestamp
from cla_case cc, rbn_loss rl
where cc.name_id_no = rl.customer_no
and rl.year_of_incident < trunc(cc.discover_date)
and rl.type_of_loss < 1000
and rl.timestamp < trunc(cc.discover_date)
and (cc.question_class = 20
or cc.question_class = 25)
and (trunc(cc.discover_date)- (rl.year_of_incident)) < 1095
--and (trunc(cc.discover_date) <> (rl.year_of_incident))
group by cc.cla_case_no,name_id_no, cc.discover_date,rl.timestamp
Now a cla_case_no can map to several year_of_incident. I only want the cla_case_no that maps to the max year_of_incident ie There should only be a single cla_case_no corresponding to the max year_of_incident.
To get around this I did the following which is not very efficient and I'm hoping it can be improved:
select distinct z.cla_case_no from (
select
cc.name_id_no
,cc.discover_date
,cc.cla_case_no
,max(rl.year_of_incident)Non_MW_Loss_Past_5
,rl.timestamp
from cla_case cc, rbn_loss rl
where cc.name_id_no = rl.customer_no
and rl.year_of_incident < trunc(cc.discover_date)
and rl.type_of_loss < 1000
and rl.timestamp < trunc(cc.discover_date)
and (cc.question_class = 20
or cc.question_class = 25)
and (trunc(cc.discover_date)- (rl.year_of_incident)) < 1095
--and (trunc(cc.discover_date) <> (rl.year_of_incident))
group by cc.cla_case_no,name_id_no, cc.discover_date,rl.timestamp
) z
Now comes the second issue: The above is actually a subquery that will link to a bigger table via cla_case_no ccx
SELECT
ie ,(select distinct z.cla_case_no from (
select cc.name_id_no, cc.discover_date ,cc.cla_case_no, max(rl.year_of_incident)Non_MW_Loss_Past_5, rl.timestamp
from cla_case cc, rbn_loss rl
where cc.name_id_no = rl.customer_no
and rl.year_of_incident < trunc(cc.discover_date)
and rl.type_of_loss < 1000
and rl.timestamp < trunc(cc.discover_date)
and (cc.question_class = 20
or cc.question_class = 25)
and (trunc(cc.discover_date)- (rl.year_of_incident)) < 1095
--and (trunc(cc.discover_date) <> (rl.year_of_incident))
group by cc.cla_case_no,name_id_no, cc.discover_date,rl.timestamp
) z
where z.cla_case_no = ccx.cla_case_no
) Non_MW_Loss_Past_5
FROM etc
Now only certain cc.cla_case_no from the subquery will corresp to the ccx_cla_case_no from the main table and the other entries will be null.
What I require is that if the subquery returns a result that IS NOT NULL to return 'Y' ELSE 'N' instead of the varies cla_case_no's and (null) entries in the Non_MW_Loss_Past_5 column
Thanks!!!
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Hi,
It looks like you have another copy of this question:
Case Statement and sub query
That's probably not your fault, but you should mark the other copy as "Answered" right away, and then you'll only have to look for replies in one place.
885178 wrote:
... Now a cla_case_no can map to several year_of_incident. I only want the cla_case_no that maps to the max year_of_incident ie There should only be a single cla_case_no corresponding to the max year_of_incident.If you know there will only be one, then you can use LAST, and you don't need GrOUP BY
To get around this I did the following which is not very efficient and I'm hoping it can be improved:
select distinct z.cla_case_no from (
select
cc.name_id_no
,cc.discover_date
,cc.cla_case_no
,max(rl.year_of_incident)Non_MW_Loss_Past_5
,rl.timestamp
from cla_case cc, rbn_loss rl
where cc.name_id_no = rl.customer_no
and rl.year_of_incident < trunc(cc.discover_date)
and rl.type_of_loss < 1000
and rl.timestamp < trunc(cc.discover_date)
and (cc.question_class = 20
or cc.question_class = 25)
and (trunc(cc.discover_date)- (rl.year_of_incident)) < 1095
--and (trunc(cc.discover_date) <> (rl.year_of_incident))
group by cc.cla_case_no,name_id_no, cc.discover_date,rl.timestamp
) zHere's one way:
SELECT       MIN (cla_case_no) KEEP (DENSE_RANK LAST ORDER BY r1.year_of_incident)
                     AS latest_cla_case_no
FROM       cla_case     cc
,             rbn_loss      rl
WHERE     cc.name_id_no          = rl.customer_no
AND       rl.year_of_incident     > TRUNC (cc.discover_date) - 1095
AND       rl.year_of_incident      < TRUNC (cc.discover_date)
AND       rl.type_of_loss     < 1000
AND       rl.timestamp          < TRUNC (cc.discover_date)
AND       cc.question_class     IN (20, 25)
;If you'd post some sample data (CREATE TABLE and INSERT statements) and the results you want from that data, then I could test this.
Now comes the second issue: The above is actually a subquery that will link to a bigger table via cla_case_no ccx
SELECT
ie ,(select distinct z.cla_case_no from (
select cc.name_id_no, cc.discover_date ,cc.cla_case_no, max(rl.year_of_incident)Non_MW_Loss_Past_5, rl.timestamp
from cla_case cc, rbn_loss rl
where cc.name_id_no = rl.customer_no
and rl.year_of_incident < trunc(cc.discover_date)
and rl.type_of_loss < 1000
and rl.timestamp < trunc(cc.discover_date)
and (cc.question_class = 20
or cc.question_class = 25)
and (trunc(cc.discover_date)- (rl.year_of_incident)) < 1095
--and (trunc(cc.discover_date) <> (rl.year_of_incident))
group by cc.cla_case_no,name_id_no, cc.discover_date,rl.timestamp
) z
where z.cla_case_no = ccx.cla_case_no
) Non_MW_Loss_Past_5
FROM etc
Now only certain cc.cla_case_no from the subquery will corresp to the ccx_cla_case_no from the main table and the other entries will be null.
What I require is that if the subquery returns a result that IS NOT NULL to return 'Y' ELSE 'N' instead of the varies cla_case_no's and (null) entries in the Non_MW_Loss_Past_5 column
NVL2 (x, 'Y', 'N')returns 'Y' if x is NULL, and it returns 'N' if x is not NULL. X can be a scalar sub-query:
NVL2 ((SELECT ...), 'Y', 'N')You could also use an EXISTS sub-query:
CASE
    WHEN EXISTS (SELECT ...)
    THEN 'Y'
    ELSE 'N'
END

Sub query with order by

Hi ,
I have created a sub query with order by on a column.( i have cutomized the IKM control append to put order by).I can see the order by condition.If i use this subquery(yellow interface) in main query(is also yellow interface) i can't see the order by condition
Subquery(Q-yellow interface):
select
PID,
     START_TIME,
     ACTION_TYPE_CODE
FROM
select      DISTINCT
     SERVICE_TRACKING_S.PID PID,
     TO_TIMESTAMP(TO_CHAR(SERVICE_TRACKING_S.ACTION_TIME,'DD-MON-YY HH24:MI:SS'),'DD-MON-YY HH24:MI:SS') START_TIME,
     SERVICE_TRACKING_S.ACTION_TYPE_CODE ACTION_TYPE_CODE
from     KSTGDB.SERVICE_TRACKING_S SERVICE_TRACKING_S
where          (1=1)
ORDER BY-----------------------------------------------
PID
,START_TIME ASC
ODI_GET_FROM
Main query(Q1--yellow interface):
select
PID,
     START_TIME,
     ACTION_TYPE_CODE,
     RN,
     RN_MAX
FROM (
select
     Q.PID PID,
     Q.START_TIME START_TIME,
     CASE WHEN Q.START_TIME-LAG(Q.START_TIME,1,Q.START_TIME) OVER (PARTITION BY Q. PID ORDER BY Q.START_TIME)> numtodsinterval(75,'minute')
or Q.PID!=LAG(Q.PID,1,0) OVER (PARTITION BY Q.PID ORDER BY Q.START_TIME) THEN 1 ELSE Q.ACTION_TYPE_CODE END ACTION_TYPE_CODE,
     ROW_NUMBER() OVER(PARTITION BY Q.PID ORDER BY Q.START_TIME) RN,
     count(*) over (PARTITION BY Q.PID ORDER BY Q.START_TIME ROWS BETWEEN UNBOUNDED PRECEDING AND UNBOUNDED FOLLOWING )
RN_MAX
from     (
select      DISTINCT
     SERVICE_TRACKING_S.PID PID,     TO_TIMESTAMP(TO_CHAR(SERVICE_TRACKING_S.ACTION_TIME,'DD-MON-YY HH24:MI:SS'),'DD-MON-YY HH24:MI:SS') START_TIME,     SERVICE_TRACKING_S.ACTION_TYPE_CODE ACTION_TYPE_CODE
from     KSTGDB.SERVICE_TRACKING_S SERVICE_TRACKING_S
where     (1=1)
----------------- i don't see order by here--------------------------------
) Q
where          (1=1)
) ODI_GET_FROM
thanks in advance
K

Hi,
Add a new KM step with the SQL you want to use for the sub query and select the +"Use Current Command for Derived-Table sub-select statement"+ checkbox. This new step can be the last one of your IKM.
Basically, you can copy the select statement of the "Insert new rows" step.
Regards,
JeromeFr

Scoping violation in sub-query

I created a sql in Oracle Database 11g Enterprise Edition Release 11.2.0.2.0 to query Oracle Purchasing tables. The user wants to know an estimate of the number of business days it takes to approve a release once it is created. I created a subquery as follows:
Select Papf.Full_Name As Approver
, Pah.Action_Date As Approved_Date
, Por.Creation_Date
, Trunc(Pah.Action_Date) - Trunc(Por.Creation_Date) As Days
, (Select Count(*)
From (Select Level, (Pah.Action_Date+1)-Level My_Date From Dual
Connect By Level < Trunc(Pah.Action_Date+1) - Trunc(por.creation_Date)
) Where To_Char(My_Date, 'DY') In ('MON', 'TUE', 'WED', 'THU', 'FRI')) As Days2Approve
FROM Apps.Po_Headers_All Poh
, Apps.Po_Releases_All Por
, Apps.Po_Lines_All Pol
, Apps.Po_Action_History Pah
…etc.
When I run the query I get the following error message:
ORA-00904: "POR"."CREATION_DATE": invalid identifier
00904. 00000 - "%s: invalid identifier"
*Cause:
*Action:
Error at Line: 193 Column: 54
I know the sub-query conceptually sound because if I run the sql below with dummy dates I get 17 which is correct.
Select Count(*)
From (SELECT level, (to_date('24-JAN-2013')+1)-level my_date From Dual
Connect By Level < Trunc(To_Date('24-JAN-2013')+1) - Trunc(To_Date('01-JAN-2013'))
) Where To_Char(My_Date, 'DY') In ('MON', 'TUE', 'WED', 'THU', 'FRI')
How do I pass Pah.Action_Date & por.creation_Date to the sub-query without getting what appears to be scoping violation?
…

Hi,
You can avoid the problem by not using a nested sub-query:
    SELECT COUNT (*)
    FROM    dual
    CONNECT BY   LEVEL < TRUNC (pah.action_date + 1)
               - TRUNC (por.creation_date)
    WHERE   TO_CHAR ( pah.action_date + 1 - LEVEL
                      , 'DY'
              ) NOT IN ('SAT', 'SUN')
) AS days2approve
I hope this answers your question.
If not, post a little sample data (CREATE TABLE and INSERT statements, relevant columns only) for all tables involved, and also post the results you want from that data.
Explain, using specific examples, how you get those results from that data.
See the forum FAQ {message:id=9360002}

Recursive Sub-query Factoring... bug? or my own personal ignorance?

I was trying to create a list of all dates in the current month using a recursive sub-query factor. (Oracle 11.2)
I know how to do this by other methods; the question is, what's going on with this "WITH" example?
Here's my attempt at generating the list:
with
date_list ( crnt_mnth_date ) as
    ( select cast ( trunc(sysdate,'MM') as date ) from dual
      UNION ALL
      select crnt_mnth_date + interval '1' day
        from date_list
       where to_char(crnt_mnth_date,'MM') = to_char(sysdate,'MM')
select * from date_list ;The recursion should add one day to the previous date and continue while the generated dates are in the same month
as the current-date (sysdate). All I get is the first day of the month. In an attempt to figure this out I added the
sequence "n". To my surprise the recursion is subtracting instead of adding the one day each time.
with
date_list ( n, crnt_mnth_date ) as
    ( select 1, cast ( trunc(sysdate,'MM') as date ) from dual
      UNION ALL
      select n+1, crnt_mnth_date + (interval '1' day) as crnt_mnth_date
        from date_list
       where n < 9
select * from date_list ;And... Changing the "+" to a "-" still subtracts one day each time -- no change.
Obvious BUG? Or am I just confused on how this works?

Hi,
I've heard that the new recursive WITH clause feature is buggy, especially when DATEs are involved.
I get the same (unexpected) results that you do.
A very similar query, using only NUMBERs, does wotk as expected:
with
date_list ( n, crnt_mnth_num ) as
    ( select 1, 20010501   from dual
      UNION ALL
      select n+1, crnt_mnth_num + 1 as crnt_mnth_num
        from date_list
       where n < 9
select * from date_list ;Outptu:
`       N CRNT_MNTH_NUM
        1      20010501
        2      20010502
        3      20010503
        4      20010504
        5      20010505
        6      20010506
        7      20010507
        8      20010508
        9      20010509

Sub Query Conversions

I'm converting from SQLServer7 to Oracle9i. The following statement produces a parse error pointing at the JOIN just before the sub query:
CREATE PROC dbo.spGetOnHoldProject
AS
SELECT p.ProjectId, p.ProjectType, p.ProjectName
FROM tblProject p
JOIN (
SELECT r.ProjectId
FROM tblRequest r
JOIN tblAction a ON a.RequestId = r.RequestId
JOIN tblStatus s ON a.ActionId = s.ActionId
WHERE r.OnHold = 0
AND s.LocationId = 2
AND s.SentToLocationDate IS null
GROUP BY r.ProjectId
) onhold ON onhold.ProjectId = p.ProjectId
I'm fairly certain Oracle9i will allow use of a sub query as a join partner. Am I wrong on that?
Bruce

Just a reply so I could track this thread with my NEW E-MAIL ADDRESS! (OTN really needs to allow e-mail address changes.)

Hi! Everyone, I have some problems with JOIN and Sub-query; Could you help me, Please?

Dear Sir/Madam
I'm a student who is interested in Oracle Database and
I have some problems with JOIN and Sub-query.
I hope so many of you could help me.
if i use JOIN without sub-query, may it be faster or not?
SELECT field1, field2 FROM tableA INNER JOIN tableB
if i use JOIN with sub-query, may it be faster or not?
SELECT field1,field2,field3 FROM tableA INNER JOIN (SELECT field1,field2 FROM tableB)
Thanks in advance!

Hi,
fac30d8e-74d3-42aa-b643-e30a3780e00f wrote:
Dear Sir/Madam
I'm a student who is interested in Oracle Database and
I have some problems with JOIN and Sub-query.
I hope so many of you could help me.
if i use JOIN without sub-query, may it be faster or not?
SELECT field1, field2 FROM tableA INNER JOIN tableB
if i use JOIN with sub-query, may it be faster or not?
SELECT field1,field2,field3 FROM tableA INNER JOIN (SELECT field1,field2 FROM tableB)
Thanks in advance!
As the others have said, the execution plan will give you a better idea about which is faster.
If you're trying to see how using (or not using) a sub-query affects performance, make the rest of the queries as similar as possible. For example, include field3 in both queries, or ignore field3 in both queries.
In this particular case, I guess the optimizer would do the same thing either way, but that's just a guess. I can't see your execution plans.
In general, simpler code is faster, and better in other ways, too. In this case
tableB
is simpler than
(SELECT field1, field2 FROM tableB)
Why do you want a sub-query in this example?

Filter query with sub query using Dropdown box

Dear Community,
I have 2 queries
1. Main Query with 2 fields: Project | Project value
2. Sub Query with 2 fields: Project group | Project
Project group can be belonging to number of projects and project can be belong to number of project group (Many to Many).
My customer wants the main query will open without any filtering.
When I choose project group from WAD dropdown box, the main query will filtering all the projects that belong to the project group.
I create WAD; define dropdown box as sub query, and Analysis as main query.
In the dropdown box I choose "data binding" char and create command "set selection state by binding" (project to project) but it doesnu2019t work.
I also try to do this by Replacement Path in the main query, but the variable requires the attribute will be ready for input.
Thanks a lot
Yaniv

I am not sure about your comments on replacement path variable. Without having tried it, here is what I would have attempted:
The main query needs to use a replacement path variable for Project that is replaced by the results of the sub-query. Sub-query would have a regular input variable for project group. (as a quick test, if you had one analysis item for main query with variable input enabled, it should prompt you to enter Project group).
Now the drop-down needs to be associated with a javascript function. The javascript function needs to implement command "Set variable state" for the main query data provider to selected value of the drop-down.
The drop-down should be associated with the sub-query data provider, just used to populate the list of values in drop-down.

How to use sub query in CAML in splist

hi,
want to know whether any sub query functionality can be achieved in splist/sp doc lib using CAML designer 2013/ query builder. also inner joins need to be implemented as pe rmy requirement.
if caml designer is not supported, whats the allternative way of doing this?
can LINQ to SP be used? if yes, can anyone pls roivde how to implement the same
help is appreciated

You can use the let keyword to scope a variable containing the result of your subquery.
However, it depends on the LINQ provider as to whether or not it can understand the command.
For example, you can create the sample like this
var result = (from p in productInQuery
join o in orderInfoQuery on p.refNo equals o.refNo
join t in productOutQuery on p.no equals t.productInNo into productIn
from t in productIn.DefaultIfEmpty()
let dateOut = (from m in orderInfoQuery where m.refNo == t.refNo select m.processData).FirstOrDefault()
orderby o.processDate descending
select new
modelNo = x.modelNo,
qty = p.qty,
dateIn = o.processDate,
dateOut = dateOut
https://www.youtube.com/watch?v=N3K0h6GDwW4
For more info, check this
http://msdn.microsoft.com/en-us/library/ee539975.aspx

Please suggest a select query / sub query with out using any subprograms or

source table: Three columns ORIGIN, DESTINATION,MILES
Origin      Destination Miles
Sydney      Melbourne      1000
Perth      Adelaide      3000
Canberra      Melbounre      700
Melbourne      Sydney           1000
Brisbane      Sydney           1000
Perth      Darwin           4000
Sydney      Brisbane      1000
out put :Three columns ORIGIN, DESTINATION,MILES
Duplicate routes are to be ignored so the output is
Origin      Destination      Miles
Sydney      Melbourne      1000
Perth      Adelaide      3000
Canberra      Melbounre      700
Brisbane      Sydney           1000
Perth      Darwin           4000
Please suggest a select query / sub query with out using any subprograms or functions/pkgs to get the out put table.

Hi,
user9368047 wrote:
... Please suggest a select query / sub query with out using any subprograms or functions/pkgs to get the out put table.Why? If the most efficient way to get the results you want involves using a function, why wouldn't you use it?
Here's one way, without any functions:
SELECT     a.*
FROM           source_table a
LEFT OUTER JOIN      source_table b ON   a.origin          = b.destination
                                      AND a.destination      = b.origin
                      AND a.miles          = b.miles
WHERE   b.origin > a.origin    -- Not b.origin > b.origin
OR     b.origin IS NULL
;If you'd care to post CREATE TABLE and INSERT statements for your sample data, then I could test this.
Edited by: Frank Kulash on Nov 6, 2012 7:39 PM
Corrected WHERE clause after MLVrown (below)

Use of Sub Query in a filter is throwing error

Hi
I am using a sub query in a filter which throws me the following error in owb 9i.
PLS 00405 : Subquery cannot be used in this context.
But the use of subquery works fine in a joiner operator.
Use of Sub Query in a filter works fine in owb 2i.
Could any one please help me.
Thanks in Advance
Nanda Kishore

Nanda,
Please wrap the source table in a view containing the subquery and then use the view as a source rather than use the subquery in the filter.
Regards:
Igor

Issue with join condition while using in the corelated sub query

Bees,
I am not able to use the below query since i have used a join condition in the corelated sub qery inline view.But i have a requirement like this . Please help me on this
select * from dept d
where exists (select 1 from (
select deptno
from emp where deptno= d.deptno)
Thank you
Boooo

Hi,
I've never seen a general solution for how to reference columns from main query a from sub-query c, where c is is sub-query of b, which is a sub-query of a.
Whenever I've wanted to, I've been able to get the desired results with a different approach.
In this case, you seem to want
SELECT     *
FROM     dept     d
WHERE     EXISTS     (
          SELECT     1
          FROM     emp
          WHERE     deptno     = d.deptno
          );I'm guessing at your data and desired output.

Can i use Sub Query Factoring Here ?

Hi;
SQL>SELECT * FROM V$VERSION;
BANNER
Oracle Database 11g Enterprise Edition Release 11.1.0.7.0 - 64bit Production
PL/SQL Release 11.1.0.7.0 - Production
CORE    11.1.0.7.0      Production
TNS for Linux: Version 11.1.0.7.0 - Production
NLSRTL Version 11.1.0.7.0 - ProductionSQL
select /*+ PARALLEL(det, 4) */ '12062' snapshot_id,det.journal_entry_line_id, det.accounting_date,det.company_code,det.account_number,
det.transaction_id, det.transaction_id_type, det.amount,det.currency_code,det.debit_or_credit,det.category,det.subcategory,det.reference1,det.reference1_type,
det.reference2,det.reference2_type,det.gl_batch_id,det.marketplace_id,det.cost_center,det.gl_product_line,det.location,det.project,det.sales_channel,
det.created_by,det.creation_date,det.last_updated_by,det.last_updated_date,agg.age,last_day(to_date('04/21/2010','MM/DD/YYYY')) snapshot_day
from
select company_code, account_number, transaction_id,
decode(transaction_id_type, 'CollectionID', 'SettlementGroupID', transaction_id_type) transaction_id_type,
(last_day(to_date('04/21/2010','MM/DD/YYYY')) - min(z.accounting_date) ) age,sum(z.amount)
from
     select /*+ PARALLEL(use, 2) */    company_code,substr(account_number, 1, 5) account_number,transaction_id,
     decode(transaction_id_type, 'CollectionID', 'SettlementGroupID', transaction_id_type) transaction_id_type,use.amount,use.accounting_date
     from financials.unbalanced_subledger_entries use
     where use.accounting_date >= to_date('04/21/2010','MM/DD/YYYY')
     and use.accounting_date < to_date('04/21/2010','MM/DD/YYYY') + 1
UNION ALL
     select /*+ PARALLEL(se, 2) */ company_code, substr(se.account_number, 1, 5) account_number,transaction_id,
     decode(transaction_id_type, 'CollectionID', 'SettlementGroupID', transaction_id_type) transaction_id_type,se.amount,se.accounting_date
     from financials.temp2_sl_snapshot_entries se,financials.account_numbers an
     where se.account_number = an.account_number
     and an.subledger_type in ('C', 'AC')
) z
group by company_code,account_number,transaction_id,decode(transaction_id_type, 'CollectionID', 'SettlementGroupID', transaction_id_type)
having abs(sum(z.amount)) >= 0.01
) agg,
     select /*+ PARALLEL(det, 2) */ det.journal_entry_line_id, det.accounting_date, det.company_code, det.account_number, det.transaction_id, decode(det.transaction_id_type, 'CollectionID', 'SettlementGroupID', det.transaction_id_type) transaction_id_type,
     det.amount, det.currency_code, det.debit_or_credit, det.category, det.subcategory, det.reference1, det.reference1_type, det.reference2, det.reference2_type,
     det.gl_batch_id, det.marketplace_id, det.cost_center, det.gl_product_line, det.location, det.project, det.sales_channel, det.created_by, det.creation_date,
     det.last_updated_by, det.last_updated_date
     from financials.unbalanced_subledger_entries det
     where accounting_date >= to_date('04/21/2010','MM/DD/YYYY')
     and accounting_date < to_date('04/21/2010','MM/DD/YYYY') + 1
UNION ALL
select /*+ PARALLEL(det, 2) */ det.journal_entry_line_id, det.accounting_date, det.company_code, det.account_number, det.transaction_id,
decode(det.transaction_id_type, 'CollectionID', 'SettlementGroupID', det.transaction_id_type) transaction_id_type, det.amount, det.currency_code,
det.debit_or_credit, det.category, det.subcategory, det.reference1, det.reference1_type, det.reference2, det.reference2_type, det.gl_batch_id, det.marketplace_id,
det.cost_center, det.gl_product_line, det.location, det.project, det.sales_channel, det.created_by, det.creation_date, det.last_updated_by, det.last_updated_date
from financials.temp2_sl_snapshot_entries det,financials.account_numbers an
where det.account_number = an.account_number
and an.subledger_type in ('C', 'AC')
) det
                   where agg.company_code = det.company_code
                   and agg.account_number = substr(det.account_number, 1, 5)
                   and agg.transaction_id = det.transaction_id
                   and agg.transaction_id_type = det.transaction_id_type
/Execution Plan
| Id | Operation                          | Name                         | Rows | Bytes |TempSpc| Cost (%CPU)| Time     |    TQ |IN-OUT| PQ Distrib |
|   0 | SELECT STATEMENT                   |                              |    12M| 8012M|       |   541K (1)| 01:48:21 |        |      |            |
|   1 | PX COORDINATOR                    |                              |       |       |       |            |          |        |      |            |
|   2 |   PX SEND QC (RANDOM)              | :TQ10005                     |    12M| 8012M|       |   541K (1)| 01:48:21 | Q1,05 | P->S | QC (RAND) |
|* 3 |    HASH JOIN BUFFERED              |                              |    12M| 8012M| 1098M|   541K (1)| 01:48:21 | Q1,05 | PCWP |            |
|   4 |     PX RECEIVE                     |                              |    35M| 3992M|       |   166K (2)| 00:33:16 | Q1,05 | PCWP |            |
|   5 |      PX SEND HASH                  | :TQ10003                     |    35M| 3992M|       |   166K (2)| 00:33:16 | Q1,03 | P->P | HASH       |
|   6 |       VIEW                         |                              |    35M| 3992M|       |   166K (2)| 00:33:16 | Q1,03 | PCWP |            |
|* 7 |        FILTER                      |                              |       |       |       |            |          | Q1,03 | PCWC |            |
|   8 |         HASH GROUP BY              |                              |    35M| 4528M|       |   166K (2)| 00:33:16 | Q1,03 | PCWP |            |
|   9 |          PX RECEIVE                |                              |    35M| 4528M|       |   166K (2)| 00:33:16 | Q1,03 | PCWP |            |
| 10 |           PX SEND HASH             | :TQ10001                     |    35M| 4528M|       |   166K (2)| 00:33:16 | Q1,01 | P->P | HASH       |
| 11 |            HASH GROUP BY           |                              |    35M| 4528M|       |   166K (2)| 00:33:16 | Q1,01 | PCWP |            |
| 12 |             VIEW                   |                              |    35M| 4528M|       |   164K (1)| 00:33:00 | Q1,01 | PCWP |            |
| 13 |              UNION-ALL             |                              |       |       |       |            |          | Q1,01 | PCWP |            |
| 14 |               PX BLOCK ITERATOR    |                              |    11 |   539 |       | 1845   (1)| 00:00:23 | Q1,01 | PCWC |            |
|* 15 |                TABLE ACCESS FULL   | UNBALANCED_SUBLEDGER_ENTRIES |    11 |   539 |       | 1845   (1)| 00:00:23 | Q1,01 | PCWP |            |
|* 16 |               HASH JOIN            |                              |    35M| 2012M|       |   163K (1)| 00:32:37 | Q1,01 | PCWP |            |
| 17 |                BUFFER SORT         |                              |       |       |       |            |          | Q1,01 | PCWC |            |
| 18 |                 PX RECEIVE         |                              |    21 |   210 |       |     2   (0)| 00:00:01 | Q1,01 | PCWP |            |
| 19 |                  PX SEND BROADCAST | :TQ10000                     |    21 |   210 |       |     2   (0)| 00:00:01 |        | S->P | BROADCAST |
|* 20 |                   TABLE ACCESS FULL| ACCOUNT_NUMBERS              |    21 |   210 |       |     2   (0)| 00:00:01 |        |      |            |
| 21 |                PX BLOCK ITERATOR   |                              |    56M| 2701M|       |   162K (1)| 00:32:35 | Q1,01 | PCWC |            |
| 22 |                 TABLE ACCESS FULL | TEMP2_SL_SNAPSHOT_ENTRIES    |    56M| 2701M|       |   162K (1)| 00:32:35 | Q1,01 | PCWP |            |
| 23 |     PX RECEIVE                     |                              |    35M|    18G|       | 82859   (1)| 00:16:35 | Q1,05 | PCWP |            |
| 24 |      PX SEND HASH                  | :TQ10004                     |    35M|    18G|       | 82859   (1)| 00:16:35 | Q1,04 | P->P | HASH       |
| 25 |       BUFFER SORT                  |                              |    12M| 8012M|       |            |          | Q1,04 | PCWP |            |
| 26 |        VIEW                        |                              |    35M|    18G|       | 82859   (1)| 00:16:35 | Q1,04 | PCWP |            |
| 27 |         UNION-ALL                  |                              |       |       |       |            |          | Q1,04 | PCWP |            |
| 28 |          PX BLOCK ITERATOR         |                              |    11 | 2255 |       |   923   (1)| 00:00:12 | Q1,04 | PCWC |            |
|* 29 |           TABLE ACCESS FULL        | UNBALANCED_SUBLEDGER_ENTRIES |    11 | 2255 |       |   923   (1)| 00:00:12 | Q1,04 | PCWP |            |
|* 30 |          HASH JOIN                 |                              |    35M| 7514M|       | 81936   (1)| 00:16:24 | Q1,04 | PCWP |            |
| 31 |           PX RECEIVE               |                              |    21 |   210 |       |     2   (0)| 00:00:01 | Q1,04 | PCWP |            |
| 32 |            PX SEND BROADCAST       | :TQ10002                     |    21 |   210 |       |     2   (0)| 00:00:01 | Q1,02 | P->P | BROADCAST |
| 33 |             PX BLOCK ITERATOR      |                              |    21 |   210 |       |     2   (0)| 00:00:01 | Q1,02 | PCWC |            |
|* 34 |              TABLE ACCESS FULL     | ACCOUNT_NUMBERS              |    21 |   210 |       |     2   (0)| 00:00:01 | Q1,02 | PCWP |            |
| 35 |           PX BLOCK ITERATOR        |                              |    56M|    11G|       | 81840   (1)| 00:16:23 | Q1,04 | PCWC |            |
| 36 |            TABLE ACCESS FULL       | TEMP2_SL_SNAPSHOT_ENTRIES    |    56M|    11G|       | 81840   (1)| 00:16:23 | Q1,04 | PCWP |            |
Predicate Information (identified by operation id):
   3 - access("AGG"."COMPANY_CODE"="DET"."COMPANY_CODE" AND "AGG"."ACCOUNT_NUMBER"=SUBSTR("DET"."ACCOUNT_NUMBER",1,5) AND
              "AGG"."TRANSACTION_ID"="DET"."TRANSACTION_ID" AND "AGG"."TRANSACTION_ID_TYPE"="DET"."TRANSACTION_ID_TYPE")
   7 - filter(ABS(SUM(SYS_OP_CSR(SYS_OP_MSR(SUM("Z"."AMOUNT"),MIN("Z"."ACCOUNTING_DATE")),0)))>=0.01)
15 - filter("USE"."ACCOUNTING_DATE"<TO_DATE(' 2010-04-22 00:00:00', 'syyyy-mm-dd hh24:mi:ss') AND "USE"."ACCOUNTING_DATE">=TO_DATE('
              2010-04-21 00:00:00', 'syyyy-mm-dd hh24:mi:ss'))
16 - access("SE"."ACCOUNT_NUMBER"="AN"."ACCOUNT_NUMBER")
20 - filter("AN"."SUBLEDGER_TYPE"='AC' OR "AN"."SUBLEDGER_TYPE"='C')
29 - filter("ACCOUNTING_DATE"<TO_DATE(' 2010-04-22 00:00:00', 'syyyy-mm-dd hh24:mi:ss') AND "ACCOUNTING_DATE">=TO_DATE(' 2010-04-21
              00:00:00', 'syyyy-mm-dd hh24:mi:ss'))
30 - access("DET"."ACCOUNT_NUMBER"="AN"."ACCOUNT_NUMBER")
34 - filter("AN"."SUBLEDGER_TYPE"='AC' OR "AN"."SUBLEDGER_TYPE"='C')
                This query is failing due to TEMP issue (TEMP SPACE out of space)
My TEMP tablespace is 70GB and no one is using TEMP space while this query is in execution.
PGA=16 GB.
What i can see from execution plan is : Two large resultsets AGG (13Million) and DET (135 Million) is being joined HASH JOIN BUFFERED. Which is getting spilled to TEMP space causing TEMP outage.
Is there any way, i can re-write this query (probably using SUB QUERY FACTORING...WITH CLAUSE) so that reduce two times access to TEMP2_SL_SNAPSHOT_ENTRIES table. TEMP2_SL_SNAPSHOT_ENTRIES is 12 GB non partition table and i cannot use any other filter to restrict rows from this table.

Adding more information here :
Inner sub query (Which forms DET-bottom)
select /*+ PARALLEL(det, 2) */ det.journal_entry_line_id, det.accounting_date, det.company_code, det.account_number, det.transaction_id,
decode(det.transaction_id_type, 'CollectionID', 'SettlementGroupID', det.transaction_id_type) transaction_id_type, det.amount, det.currency_code,
det.debit_or_credit, det.category, det.subcategory, det.reference1, det.reference1_type, det.reference2, det.reference2_type, det.gl_batch_id, det.marketplace_id,
det.cost_center, det.gl_product_line, det.location, det.project, det.sales_channel, det.created_by, det.creation_date, det.last_updated_by, det.last_updated_date
from financials.temp2_sl_snapshot_entries det,financials.account_numbers an
where det.account_number = an.account_number
and an.subledger_type in ('C', 'AC');
Plan hash value: 976020246
| Id | Operation               | Name                      | Rows | Bytes | Cost (%CPU)| Time     |    TQ |IN-OUT| PQ Distrib |
|   0 | SELECT STATEMENT        |                           |    35M| 7514M|   163K (1)| 00:32:47 |        |      |            |
|   1 | PX COORDINATOR         |                           |       |       |            |          |        |      |            |
|   2 |   PX SEND QC (RANDOM)   | :TQ10001                  |    35M| 7514M|   163K (1)| 00:32:47 | Q1,01 | P->S | QC (RAND) |
|* 3 |    HASH JOIN            |                           |    35M| 7514M|   163K (1)| 00:32:47 | Q1,01 | PCWP |            |
|   4 |     BUFFER SORT         |                           |       |       |            |          | Q1,01 | PCWC |            |
|   5 |      PX RECEIVE         |                           |    21 |   210 |     2   (0)| 00:00:01 | Q1,01 | PCWP |            |
|   6 |       PX SEND BROADCAST | :TQ10000                  |    21 |   210 |     2   (0)| 00:00:01 |        | S->P | BROADCAST |
|* 7 |        TABLE ACCESS FULL| ACCOUNT_NUMBERS           |    21 |   210 |     2   (0)| 00:00:01 |        |      |            |
|   8 |     PX BLOCK ITERATOR   |                           |    56M|    11G|   163K (1)| 00:32:45 | Q1,01 | PCWC |            |
|   9 |      TABLE ACCESS FULL | TEMP2_SL_SNAPSHOT_ENTRIES |    56M|    11G|   163K (1)| 00:32:45 | Q1,01 | PCWP |            |
Predicate Information (identified by operation id):
   3 - access("DET"."ACCOUNT_NUMBER"="AN"."ACCOUNT_NUMBER")
   7 - filter("AN"."SUBLEDGER_TYPE"='AC' OR "AN"."SUBLEDGER_TYPE"='C')
Statistics
         31 recursive calls
          3 db block gets
    1634444 consistent gets
    1625596 physical reads
        636 redo size
1803659818 bytes sent via SQL*Net to client
     125054 bytes received via SQL*Net from client
      11331 SQL*Net roundtrips to/from client
          3 sorts (memory)
          0 sorts (disk)
   56645822 rows processedOther sub query (that forms AGG)
     select /*+ PARALLEL(se, 2) */ company_code, substr(se.account_number, 1, 5) account_number,transaction_id,
     decode(transaction_id_type, 'CollectionID', 'SettlementGroupID', transaction_id_type) transaction_id_type,se.amount,se.accounting_date
     from financials.temp2_sl_snapshot_entries se,financials.account_numbers an
     where se.account_number = an.account_number
     and an.subledger_type in ('C', 'AC');
Plan hash value: 976020246
| Id | Operation               | Name                      | Rows | Bytes | Cost (%CPU)| Time     |    TQ |IN-OUT| PQ Distrib |
|   0 | SELECT STATEMENT        |                           |    35M| 2012M|   163K (1)| 00:32:37 |        |      |            |
|   1 | PX COORDINATOR         |                           |       |       |            |          |        |      |            |
|   2 |   PX SEND QC (RANDOM)   | :TQ10001                  |    35M| 2012M|   163K (1)| 00:32:37 | Q1,01 | P->S | QC (RAND) |
|* 3 |    HASH JOIN            |                           |    35M| 2012M|   163K (1)| 00:32:37 | Q1,01 | PCWP |            |
|   4 |     BUFFER SORT         |                           |       |       |            |          | Q1,01 | PCWC |            |
|   5 |      PX RECEIVE         |                           |    21 |   210 |     2   (0)| 00:00:01 | Q1,01 | PCWP |            |
|   6 |       PX SEND BROADCAST | :TQ10000                  |    21 |   210 |     2   (0)| 00:00:01 |        | S->P | BROADCAST |
|* 7 |        TABLE ACCESS FULL| ACCOUNT_NUMBERS           |    21 |   210 |     2   (0)| 00:00:01 |        |      |            |
|   8 |     PX BLOCK ITERATOR   |                           |    56M| 2701M|   162K (1)| 00:32:35 | Q1,01 | PCWC |            |
|   9 |      TABLE ACCESS FULL | TEMP2_SL_SNAPSHOT_ENTRIES |    56M| 2701M|   162K (1)| 00:32:35 | Q1,01 | PCWP |            |
Predicate Information (identified by operation id):
   3 - access("SE"."ACCOUNT_NUMBER"="AN"."ACCOUNT_NUMBER")
   7 - filter("AN"."SUBLEDGER_TYPE"='AC' OR "AN"."SUBLEDGER_TYPE"='C')
Statistics
         31 recursive calls
          3 db block gets
    1634444 consistent gets
    1625596 physical reads
        592 redo size
1803659818 bytes sent via SQL*Net to client
     125054 bytes received via SQL*Net from client
      11331 SQL*Net roundtrips to/from client
          3 sorts (memory)
          0 sorts (disk)
   56645822 rows processed

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