Help with left outer join

Hi,
I Have this database structure:
Artist(IDA,Name,Year_b)
Work(IDW,Title,IDA,IDL)
City(IDL,IName,Nation)
I Want to do a query that retrieve for one Artist all Works availables on database and,if present,the City where each work was realized.
This SQL code is correct?
SELECT Name,Title,IName
FROM Artist a,
Work w LEFT OUTER JOIN City c ON w.IDL=c.IDL
WHERE w.IDA=a.IDA and a.IDA='2';
If it's not correct, what type of correction need it?
Thanks for Help
Andrea

If you asked... The original query works, but it is not "right".
You should use either the old Oracle style of joins, like in the VM's query, or, better, the ANSI join style, recommended by Oracle (not a mix of them, like in your query):
SELECT a.name,
       w.title,
       c.iname
FROM artist a
JOIN work w
   ON w.ida = a.ida
LEFT OUTER JOIN city c
   ON w.idl = c.idl
WHERE a.ida = '2'

Similar Messages

Update Statement with left outer join

hi,
i have to update a column in table "a" from table "b" and both of them joined with left outer join
How can I do this
Thanks in Advance

Please consider the following when you post a question. This would help us help you better
1. New features keep coming in every oracle version so please provide Your Oracle DB Version to get the best possible answer.
You can use the following query and do a copy past of the output.
select * from v$version 2. This forum has a very good Search Feature. Please use that before posting your question. Because for most of the questions
that are asked the answer is already there.
3. We dont know your DB structure or How your Data is. So you need to let us know. The best way would be to give some sample data like this.
I have the following table called sales
with sales
as
 select 1 sales_id, 1 prod_id, 1001 inv_num, 120 qty from dual
 union all
 select 2 sales_id, 1 prod_id, 1002 inv_num, 25 qty from dual
select *
from sales 4. Rather than telling what you want in words its more easier when you give your expected output.
For example in the above sales table, I want to know the total quantity and number of invoice for each product.
The output should look like this
Prod_id sum_qty count_inv
1 145 2 5. When ever you get an error message post the entire error message. With the Error Number, The message and the Line number.
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Help of LEFT OUTER JOIN

Hi Experts,
Can you please help me with the below query on LEFT OUTER JOIN. I just want to know whether the below 2 queries are the same.
1. select * from FROM hrm2_requests req LEFT OUTER JOIN hrm2_request_complaints hrm_comp LEFT OUTER JOIN hrm2_swap_complaint_detail comp_dtl LEFT OUTER JOIN hrm2_swap_complaint comp
ON comp_dtl.complaint_code = comp.complaint_code
ON hrm_comp.complaint_detail_code = comp_dtl.complaint_detail_code
ON req.work_order = hrm_comp.work_order
2. select * from hrm2_requests req LEFT OUTER JOIN hrm2_request_complaints hrm_comp
ON req.work_order = hrm_comp.work_order
LEFT OUTER JOIN hrm2_swap_complaint_detail comp_dtl
ON hrm_comp.complaint_detail_code = comp_dtl.complaint_detail_code
LEFT OUTER JOIN hrm2_swap_complaint comp
i.e. SELECT * FROM TABLE1 LEFT OUT JOIN TABLE2 LEFT OUTER JOIN TABLE3 ON CONDITION <<>>
is this equal to
SELECT * FROM TABLE1 LEFT OUTER JOIN TABLE2 ON CONDITION
LEFT OUTER JOIN TABLE3 ON CONDITION
because the cost of the 1st query is very high and i change the sql like 2nd, the cost reduced a lot.
Thanks,
Yuvaraaj.

Each JOIN clause must contain an ON condition (except for CROSS JOIN but let's not go there) so your example isn't syntactically valid and I'm not sure what you are comparing to what. I would probably write it as:
select *
from from hrm2_requests req
 left join hrm2_request_complaints hrm_comp
 on hrm_comp.work_order = req.work_order
 left join hrm2_swap_complaint_detail comp_dtl
 on comp_dtl.complaint_detail_code = hrm_comp.complaint_detail_code
 left join hrm2_swap_complaint comp
 on comp.complaint_code = comp_dtl.complaint_codeThe order in which you arrange the join clauses will not affect performance.

Can we join 3 tables with left outer join

hi friends.
 Can any one tell how to join 3 tables using left outer join...i tried by taking some fields of ekko,ekpo,eket, but this not working ... plz give a sample code with some fields.

Hi Uday
Inner joins using 3 tables 
Try this :-
SELECT stpo~stlnr stpo~idnrk mast~matnr mara~mtart stpo~menge
INTO CORRESPONDING FIELDS OF TABLE zmat1 FROM mast
JOIN stpo ON stpo~stlnr = mast~stlnr
JOIN mara ON mara~matnr = mast~matnr
WHERE stpo~stlty = 'M' "AND stpo~idnrk IN s_matnr
AND mast~werks = 1000.
Here s_matnr is a select-options on the selection-screen. 
Or this. 
Code: 
 Select single Vbrk~Bukrs Vbrk~Kunrg Vbrk~Vbeln
 Vbrk~Fkdat Vbrk~Bstnk_Vf Vbrk~Zterm
 Tvzbt~Vtext
 Vbak~Vbeln Vbak~Bstdk
 Likp~Vbeln Likp~lfdat Likp~Lfuhr
 into w_vbrk
 from vbrk
 inner join Tvzbt on Tvzbt~Zterm = Vbrk~Zterm and
 Tvzbt~Spras = sy-langu
 Inner join Vbfa as SalesLnk
 on SalesLnk~vbeln = pu_vbeln and
 SalesLnk~vbtyp_v = c_order
 inner join Vbak on Vbak~Vbeln = SalesLnk~Vbelv
 Inner join Vbfa as DeliveryLnk
 on DeliveryLnk~vbeln = pu_vbeln and
 DeliveryLnk~vbtyp_v = c_Delivery
 inner join Likp on Likp~Vbeln = DeliveryLnk~Vbelv
 where vbrk~vbeln = pu_Vbeln.
This code locates sales, delivery and payment terms info from a billing document number.
or

Here, this one also works fine :
select zfpcd~cadivi zfpcd~proforma zfpcd~factura zfpcd~aniofactura
zfpcd~montousd zfpcd~montoap zfpcd~ebeln zfpcd~inco1
zfpcd~lifnr lfa1~name1 zcdvs~status zfpcd~conint
into it_lista
from zfpcd inner join zcdvs
on zfpcd~ebeln = zcdvs~ebeln
and zfpcd~proforma = zcdvs~proforma
and zfpcd~lifnr = zcdvs~lifnr
inner join lfa1
on zfpcd~lifnr = lfa1~lifnr
where zcdvs~status = '04'.
Reward if helpfull
Regards
Pavan

Help on "Left Outer Join" migration

Can somebody help me convert the following join to Oracle, thanks.
SELECT ...
FROM ats
LEFT OUTER JOIN vw_S sv ON ats.SID = sv.SID AND ats.R <> 'H'
LEFT OUTER JOIN vw_P ag ON ats.AID = ag.AID
The Workbench said "Manual conversion required"

Hi Jimmy,
Oracle 9i now supports ISO/ANSI outer join syntax
So no changes are required.
T-SQL
SELECT ...
FROM ats
LEFT OUTER JOIN vw_S sv ON ats.SID = sv.SID AND ats.R <> 'H'
LEFT OUTER JOIN vw_P ag ON ats.AID = ag.AID
Oracle 9i (has ISO/ANSI Join Syntax)
SELECT ...
FROM ats
LEFT OUTER JOIN vw_S sv ON ats.SID = sv.SID AND ats.R <> 'H'
LEFT OUTER JOIN vw_P ag ON ats.AID = ag.AID
Oracle 8i
SELECT ...
FROM ats , vw_S sv , vw_P ag
WHERE ats.SID = sv.SID (+)
AND ats.R <> 'H'
AND ats.AID = ag.AID (+)
I have not tested the above but I believe they are equivalent.
I hope this helps
Dermot.

Trouble With Left Outer Join

I'm kind of new to using left outer joins, so I don't know if I'm doing it quite right. Right now there's only one table that may or may not have a corresponding record, so I'm only using left outer join on it. I get the error ORA-00904: "A"."SGBSTDN_PIDM": invalid identifier right now when I try to run my query. This gives me the impression that I need to use left outer join on all the tables in my FROM clause. Any suggestions on what I need to do?
/*Get those students not awarded ACG1 yet with an entry in shrlgpa*/
SELECT spriden_id id, spriden_last_name||', '||spriden_first_name name, sgbstdn_styp_code student_type,
sorhsch_graduation_date hsch_grad_date,shrlgpa_hours_earned hours_earned,rorenrl_finaid_adj_hr hours_enrolled,
0 AS disbursement_to_date, 0 AS offer_amt, 0 AS current_disbursement,
rnvand0_unmet_need unmet_need, 'N' AS awarded
FROM RCRESAR,RCRAPP1,SORHSCH,RORHSDT,SGBSTDN A,SORLCUR, shrlgpa, rorstat, ROBINST, spriden
,rnvand0
LEFT OUTER JOIN rorenrl ON (A.sgbstdn_pidm = rorenrl_pidm)
WHERE (RCRESAR_PELL_ELGBL = 'Y')
 AND SORHSCH_GRADUATION_DATE>'01-JAN-2006'
 AND RCRAPP1_CITZ_IND IN ('1','2')
 AND RCRAPP1_CURR_REC_IND='Y'
 /*Possible change once rigorous curr. decided AND (RORHSDT_AP_IB_COURSES = 'Y' OR RORHSDT_REQ_COURSES='Y')*/
 AND RORHSDT_REQ_COURSES='Y'
 AND sgbstdn_stst_code = 'AS'
 AND SGBSTDN_STYP_CODE IN ('F','H','T')
 AND (SORLCUR_DEGC_CODE LIKE 'B%' OR SORLCUR_DEGC_CODE LIKE 'A%'
 OR SORLCUR_DEGC_CODE = 'UND')
 AND sorlcur_seqno = (SELECT MAX(sorlcur_seqno)
 FROM sorlcur
 WHERE sorlcur_pidm = A.sgbstdn_pidm
 AND sorlcur_term_code = &enrollment_term)
 AND SORLCUR_CACT_CODE='ACTIVE'
 AND rorenrl_term_code = &enrollment_term
 AND shrlgpa_hours_earned BETWEEN 0 AND 29
 AND shrlgpa_gpa_type_ind = 'O'
 AND rorstat_pckg_comp_date IS NOT NULL
 AND A.SGBSTDN_TERM_CODE_EFF = (SELECT MAX(B.SGBSTDN_TERM_CODE_EFF)
 FROM SGBSTDN B
 WHERE B.SGBSTDN_PIDM = A.SGBSTDN_PIDM
 AND sgbstdn_term_code_eff <= &enrollment_term
 AND NOT EXISTS (SELECT 'X'
 FROM RPRAWRD
 WHERE RCRESAR_PIDM = RPRAWRD_PIDM
 AND RCRESAR_AIDY_CODE = RPRAWRD_AIDY_CODE
 AND RPRAWRD_FUND_CODE = 'ACG1')
 AND rorstat_pidm = rcresar_pidm
 AND spriden_pidm = rcresar_pidm
 AND RCRAPP1_PIDM = RCRESAR_PIDM
 AND shrlgpa_pidm = rcresar_pidm
 AND SORHSCH_PIDM = RCRESAR_PIDM
 AND RORHSDT_PIDM = RCRESAR_PIDM
 AND SGBSTDN_PIDM = RCRESAR_PIDM
 AND SORLCUR_PIDM = RCRESAR_PIDM
 AND rnvand0_pidm = rorstat_pidm
 AND RCRESAR_INFC_CODE = RCRAPP1_INFC_CODE
 AND RCRESAR_SEQ_NO = RCRAPP1_SEQ_NO
 AND RCRAPP1_AIDY_CODE = RCRESAR_AIDY_CODE
 AND ROBINST_AIDY_CODE = RCRESAR_AIDY_CODE
 AND RCRESAR_AIDY_CODE = '&AIDY_CODE'
 AND rorstat_aidy_code = rcresar_aidy_code
 AND rnvand0_aidy_code = rcresar_aidy_code
 AND spriden_change_ind IS NULL
 ORDER BY name

Frank Kulash wrote:
Hi
blackhole82 wrote:
Yeah I realized that I was probably mixing styles after it wouldn't work. What you suggested does execute, so I assume it's right even though I'm not getting any rows at the moment. Don't assume it's correct: verify it
I suggest re-writing the query using all ANSI syntax.
Start with just two tables. Make sure that join is working.
When you have something that works perfectly with just those tables, then add one more table.
So if I wanted to left outer join onto shrlgpa too I would just need to add that underneath the join for rorenrl before the , and SORLCUR?In your existing query, it looks like shrlgpa is only connected to rcresar, using an inner join. Do you want to change that?At any rate, the order of tables using the old doesn't matter. Using ANSI notation, however, a join condition can only reference tables that have already been named in the same group of ANSI-joined tables.
So you would probably would have to re-arrange the FROM clause.
Sorry, I don't understand exactly what you want to do, so I can't tell you exactly how to do it.
Make you best guess, and try it.
If it doesn't produce the results you want, and you can't figure out how to fix it, then post the query, some sample data, and the desired results. If you post just the revised query, and a description of the problem, I'll try to answer, but without the sample data and desired results I can't guarantee that I can.Well I'm getting rows and the data seems to go with the query I had before using the outer join except for the records that have no record on shrlgpa. It appears that by having the clauses
AND shrlgpa_hours_earned BETWEEN 0 AND 29
AND shrlgpa_gpa_type_ind = 'O'that those I'm trying to pull in with the left outer join are being eliminated. Is it possible to still limit the hours earned while pulling in those who do not have a record on shrlgpa? Before I was just using a UNION to accomplish this, but I thought that I might be able to fine tune the query to eliminate the need for another UNION.

Need help with an Outer Join

I have the following query which has an outer join and it works perfectly and shows publication paragraph which don't have any maintenance records with a value of 0.
However when I add to the where clause conditions such as lpm.fac_ident and lpm.start_date, the null values no longer show up in the query(see second SQL statement).
I am new at SQL and am just trying to make this outer join work. Any help would be appreciated.
-- THIS WORKS
SELECT m.publication_paragraph, pm.description, pm.frequency, count(l.publication_paragraph) ACTIVITIES_PERFORMED
FROM lpm_paragraph_mapping_table m, lpm l, pm_requirements_table pm
WHERE m.paragraph_alias_mapping = l.publication_paragraph (+)
GROUP BY m.publication_paragraph, pm.description, pm.frequency
order by count(l.publication_paragraph);
-- THIS DOES NOT WORK
SELECT m.publication_paragraph, pm.description, pm.frequency, count(l.publication_paragraph) ACTIVITIES_PERFORMED
FROM lpm_paragraph_mapping_table m, lpm l, pm_requirements_table pm
WHERE m.paragraph_alias_mapping = l.publication_paragraph (+)
AND l.fac_ident = 'EWR' AND TO_CHAR(l.start_date, 'YYYY') = '2010'
GROUP BY m.publication_paragraph, pm.description, pm.frequency
order by count(l.publication_paragraph);
Edited by: George Heller on Jun 30, 2011 9:47 AM

fabio_silva wrote:
Hi,
I just didn't get. The table (pm_requirements_table pm) haven't any join ???
Regards,Forgive the ASCII art, but your query looks like:
---------- JOIN ----------
| Alias M | ====> | Alias L |
| Alias PM |
----------- The table pm_requirements_table is not joined at all. Unless it has only a single row, then your resultset will have 1 row for each row in lpm_paragraph_mapping_table (because of the outer join) times the number of rows in pm_requirements_table. Consider this simplified example.
SQL> select * from t;
        ID DESCR
         1 T 1
         2 T 2
SQL> select * from t1;
        ID DESCR
         1 T1 1
         2 T1 2
         3 T1 3
         4 T1 4
SQL> select 1.id, t.descr, t1.descr
2 from t, t1;
        ID DESCR      DESCR
         1 T 1        T1 1
         1 T 1        T1 2
         1 T 1        T1 3
         1 T 1        T1 4
         1 T 2        T1 1
         1 T 2        T1 2
         1 T 2        T1 3
         1 T 2        T1 4Here, my table t is the result from your join between lpm_paragraph_mapping_table and lpm. My table t1 is your pm_requirements_table. You need something more like:
SQL> select 1.id, t.descr, t1.descr
2 from t, t1
3 where t.id = t1.id;
        ID DESCR      DESCR
         1 T 1        T1 1
         1 T 2        T1 2Assuming you fix that join, you can use a sub-query to apply the predicates to the lpm as Centinul showed, or, if you are on a current version of Oracle, use ANSI join syntax wich would look something like:
SELECT m.publication_paragraph, pm.description, pm.frequency,
        count(l.publication_paragraph) ACTIVITIES_PERFORMED
FROM lpm_paragraph_mapping_table m,
   LEFT JOIN lpm l,
      ON m.paragraph_alias_mapping = l.publication_paragraph and
         l.fac_ident = 'EWR' AND
         TO_CHAR(l.start_date, 'YYYY') = '2010'
   JOIN pm_requirements_table pm
      on something
GROUP BY m.publication_paragraph, pm.description, pm.frequency
ORDER BY count(l.publication_paragraph);Leaving aside the missing join, the reason why your query as posted does not work is that when there is not a match on m.paragraph_alias_mapping = l.publication_paragraph Oracle will "make up" rows form lpm with all null columns for each row in lpm_paragraph_mapping_table where there is no match. So, when you compare those made up rows from lpm, you are effectively saying where NULL = 'EWR' and TO_CHAR(NULL, 'yyyy') = '2010'. Null is never equal to anything. Any comparision against null is unknown, so the made up rows get filtered out by your predicate.
John

[8i] Need help with full outer join combined with a cross-join....

I can't figure out how to combine a full outer join with another type of join ... is this possible?
Here's some create table and insert statements for some basic sample data:
CREATE TABLE     my_tab1
(     record_id     NUMBER     NOT NULL
,     workstation     VARCHAR2(4)
,     my_value     NUMBER
     CONSTRAINT my_tab1_pk PRIMARY KEY (record_id)
INSERT INTO     my_tab1
VALUES(1,'ABCD',10);
INSERT INTO     my_tab1
VALUES(2,'ABCD',15);
INSERT INTO     my_tab1
VALUES(3,'ABCD',5);
INSERT INTO     my_tab1
VALUES(4,'A123',5);
INSERT INTO     my_tab1
VALUES(5,'A123',10);
INSERT INTO     my_tab1
VALUES(6,'A123',20);
INSERT INTO     my_tab1
VALUES(7,'????',5);
CREATE TABLE     my_tab2
(     workstation     VARCHAR2(4)
,     wkstn_name     VARCHAR2(20)
     CONSTRAINT my_tab2_pk PRIMARY KEY (workstation)
INSERT INTO     my_tab2
VALUES('ABCD','WKSTN 1');
INSERT INTO     my_tab2
VALUES('A123','WKSTN 2');
INSERT INTO     my_tab2
VALUES('B456','WKSTN 3');
CREATE TABLE     my_tab3
(     my_nbr1     NUMBER
,     my_nbr2     NUMBER
INSERT INTO     my_tab3
VALUES(1,2);
INSERT INTO     my_tab3
VALUES(2,3);
INSERT INTO     my_tab3
VALUES(3,4);And, the results I want to get:
workstation     sum(my_value)     wkstn_name     my_nbr1     my_nbr2
ABCD          30          WKSTN 1          1     2
ABCD          30          WKSTN 1          2     3
ABCD          30          WKSTN 1          3     4
A123          35          WKSTN 2          1     2
A123          35          WKSTN 2          2     3
A123          35          WKSTN 2          3     4
B456          0          WKSTN 3          1     2
B456          0          WKSTN 3          2     3
B456          0          WKSTN 3          3     4
????          5          NULL          1     2
????          5          NULL          2     3
????          5          NULL          3     4I've tried a number of different things, googled my problem, and no luck yet...
SELECT     t1.workstation
,     SUM(t1.my_value)
,     t2.wkstn_name
,     t3.my_nbr1
,     t3.my_nbr2
FROM     my_tab1 t1
,     my_tab2 t2
,     my_tab3 t3
...So, what I want is a full outer join of t1 and t2 on workstation, and a cross-join of that with t3. I'm wondering if I can't find any examples of this online because it's not possible....
Note: I'm stuck dealing with Oracle 8i
Thanks!!

Hi,
The query I posted yesterday is a little more complicated than it needs to be.
Since my_tab2.workstation is unique, there's no reason to do a separate sub-query like mt1; we can join my_tab1 to my_tab2 and get the SUM all in one sub-query.
SELECT       foj.workstation
,       foj.sum_my_value
,       foj.wkstn_name
,       mt3.my_nbr1
,       mt3.my_nbr2
FROM       (     -- Begin in-line view foj for full outer join
          SELECT        mt1.workstation
          ,        SUM (mt1.my_value)     AS sum_my_value
          ,        mt2.wkstn_name
          FROM        my_tab1   mt1
          ,        my_tab2   mt2
          WHERE        mt1.workstation     = mt2.workstation (+)
          GROUP BY   mt1.workstation
          ,        mt2.wkstn_name
                UNION ALL
          SELECT      workstation
          ,      0      AS sum_my_value
          ,      wkstn_name
          FROM      my_tab2
          WHERE      workstation     NOT IN (     -- Begin NOT IN sub-query
                                           SELECT      workstation
                                   FROM      my_tab1
                                   WHERE      workstation     IS NOT NULL
                                 )     -- End NOT IN sub-query
       ) foj     -- End in-line view foj for full outer join
,       my_tab3 mt3
ORDER BY foj.wkstn_name
,       foj.workstation
,       mt3.my_nbr1
,       mt3.my_nbr2
;Thanks for posting the CREATE TABLE and INSERT statements, as well as the very clear desired results!
user11033437 wrote:
... So, what I want is a full outer join of t1 and t2 on workstation, and a cross-join of that with t3. That it, exactly!
The tricky part is how and when to get SUM (my_value). You might approach this by figuring out exactly what my_tab3 has to be cross-joined to; that is, exactly what should the result set of the full outer join between my_tab1 and my_tab2 look like. To do that, take your desired results, remove the columns that do not come from the full outer join, and remove the duplicate rows. You'll get:
workstation     sum(my_value)     wkstn_name
ABCD          30          WKSTN 1
A123          35          WKSTN 2
B456          0          WKSTN 3
????          5          NULL          So the core of the problem is how to get these results from my_tab1 and my_tab2, which is done in sub-query foj above.
I tried to use self-documenting names in my code. I hope you can understand it.
I could spend hours explaining different parts of this query in more detail, but I'm sure I'd waste some of that time explaining things you already understand. If you want an explanation of somthing(s) specific, let me know.

Query of query with left outer join

Hi,
I cannot use joins in query of query, I try the old method using the ( + ) but no luck "Query Of Queries syntax error. Encountered ( + )."
Here is an example of my query code:
select p.part_id, s.supplier_name, s.second_name
from part p, supplier s
where p.supplier_id = s.supplier_id ( + )
and p.second_id = s.second_id ( + );
PART SUPPLIER_NAME SECOND_NAME
P1 Supplier#1 A
P2 Supplier#2
P3
P4
How can I do the same in query of query syntax?
Thanks!

I found a solution:
http://www.bealearts.co.uk/blog/2007/06/20/how-to-do-an-outer-join-in-query-of-queries/
I am not sure about my second condition. i create the join query for the empty columns.
select part.part_id, supplier.supplier_name, supplier.second_name
from part, supplier
where part.supplier_id = supplier.supplier_id
and supplier.second_id is null
union
select part.part_id, supplier.supplier_name, supplier.second_name
from part, supplier
where part.supplier_id = supplier.supplier_id
and part.second_id = supplier.second_id
union
select part.part_id, joinQuery.supplier_name, joinQuery.second_name
from part, joinQuery
where part.supplier_id not in (#ValueList(supplier.supplier_id)#)
Can anyone check and let me know if this is correct?
My final result have one less row from parts table.
Thanks

Using Left Outer Join along with reference

I have three tables.
Table 1 : BOOK_DETAILS
Fields: BOOK_ID, BOOK_NAME
Table 2: BOOK_ISSUE_RECORD
Fields: BOOK_ID, USER_NAME
Table 3: BOOK_AUTHOR
Fields: BOOK_ID, AUTHOR_NAME
I have to link Table 1 and Table 2 with Left outer Join because even if the book is not issues to anyone, its name should come.
Again I have to display the Book Author name for each Book.
I am able to create a query with the Left outer join between Table 1 and Table 2. However I am not able to give a reference to the Table 3.
Can any one please help me with this.
Regards
Hawker

select d.book_name,
        a.book_author,
        i.user_name
from       book_details d
        join
             book_author a
          on (d.book_id = a.book_id)
        left join
             book_issue_recors i
          on (d.book_id = i.book_id)
/SY.

Left outer join using anyOfAllowingNone

Hi,
I'm trying to join two tables (tableA and tableB) with left outer join using anyOfAllowingNone (One to many relationship) and try to fetch the tableB data with some constraint on it.
But the sql generated out of the expression builder is not a proper left join, it actually forms a inner join, which brings only table A data which satisfies all the condition. Actually I want all of tableA data and for every record from tableA I want the data from TableB which matches the key from tableA to tableB and some condition applied on tableB data.
I guess I'm doing some thing wrong, I went through the document and sample but still its not getting me the right data.
Below is my expression builder:
exp = builder.get("tableA_K").equal(some value);
exp = exp.and(builder.get("effectiveIn").toChar("MM/dd/yyyy").lessThanEqual(date));
exp = exp.and(builder.get("effectiveOut").toChar("MM/dd/yyyy").greaterThanEqual(date));
exp1 = builder.anyOfAllowingNone("tableBCollectionAttribute").get("effectiveIn").toChar("MM/dd/yyyy").lessThanEqual(date);
exp1 = exp1.and(builder.anyOfAllowingNone("tableBCollectionAttribute").get("effectiveOut").toChar("MM/dd/yyyy").greaterThanEqual(date));
return exp.and(exp1);
Below is the sample query generated:
select distinct tableA.all data
where (((((tableA.key = 2219785)
and (to_char(tableA.EFFECTIVE_IN_S, 'MM/dd/yyyy') <= '03/27/2008'))
and (to_char(tableA.EFFECTIVE_OUT_S, 'MM/dd/yyyy') >= '03/27/2008'))
and ((to_char(tableB.EFFECTIVE_IN_S, 'MM/dd/yyyy') <= '03/27/2008')
and (to_char(tableB.EFFECTIVE_OUT_S, 'MM/dd/yyyy') >= '03/27/2008')))
and (tableB.key (+) = tableA.tableB_Key))
Any help is appreciated. Thanks
Sai.

hi Mansi,
this is how i populate
SELECT VGBEL LFIMG POSNR VBELN FROM LIPS INTO TABLE IT_delv FOR ALL ENTRIES IN IT_VBAP WHERE VGBEL = IT_VBAP-VBELN.
LOOP AT IT_delv INTO WA_delv.
WA_FINAL-VBELN_1 = WA_DELV-VBELN_1.
WA_FINAL-LFDAT = WA_DELV-LFDAT.
WA_FINAL-LFIMG = WA_DELV-LFIMG.
WA_FINAL-POSNR2 = WA_DELV-POSNR2..
APPEND WA_FINAL TO IT_FINAL.
CLEAR: WA_FINAL , WA_delv.
ENDLOOP.
LOOP AT IT_FINAL INTO WA_FINAL.
READ TABLE IT_vbap INTO WA_vbap WITH KEY VGBEL = WA_FINAL-VBELN.
WA_FINAL-VBELN = WA_VBAP-VBELN.
WA_FINAL-MATNR = WA_VBAP-MATNR.
WA_FINAL-KWMENG = WA_VBAP-KWMENG.
WA_FINAL-NETWR = WA_VBAP-NETWR.
MODIFY IT_FINAL FROM WA_FINAL.
ENDLOOP.
My question is , it_vbap has 5 five records A,B,C,D,E.
in it_delv ,there are 20 record corrresponding to A,B,D of IT_VBAP.
in final table i wont get info of recors B,E. I want those info also in final table ..how can i do that...

Ora-00904 left outer join

Hi,
I am trying to create a materialized view and trying replace + left outer join with 'left outer join' clause. I am getting
ERROR at line 68:
ORA-00904: "RF"."DATA_TYPE_ID": invalid identifier
Here is the sql I am using. Any help is appreciated.
CREATE MATERIALIZED VIEW HHC_CUSTOM.HHC_RESULT_FIELD_DIMENSION0925 (DATA_ELEMENT_ID,FIELD,PROFILE,PROFILE_ID,PARENT_FIELD,PARENT_PROFILE,PARENT_PROFILE_ID,DATA_TYPE,DECODE_TYPE,CFG_GROUP,CFG_SET,ACTIVITY_COUNT)
TABLESPACE CUSTOM_01
PCTUSED 0
PCTFREE 10
INITRANS 2
MAXTRANS 255
STORAGE (
INITIAL 80K
NEXT 1M
MINEXTENTS 1
MAXEXTENTS UNLIMITED
PCTINCREASE 0
BUFFER_POOL DEFAULT
FLASH_CACHE DEFAULT
CELL_FLASH_CACHE DEFAULT
NOCACHE
ENABLE ROW MOVEMENT
NOLOGGING
NOCOMPRESS
NOPARALLEL
BUILD IMMEDIATE
REFRESH COMPLETE on DEMand
WITH PRIMARY KEY
AS
/* Formatted on 9/25/2012 11:53:36 AM (QP5 v5.215.12089.38647) */
SELECT /*+ ALL_ROWS FULL(rf) FULL(dt) FULL(dc) FULL(rd) FULL(mc) FULL(ad) FULL(ag) USE_HASH(rf,dt,dc,rd,mc,ad,ag) INDEX(prf,KP_RESULT_FIELD) INDEX(prd,KP_RESULT_PROFILE) INDEX(pmc,KP_RESULT_MULTI_FIELD_PROFILE) INDEX(pad,KP_ASSESS_PROFILE) INDEX(pag,KP_ASSESS_MULTI_FIELD_PROFILE) USE_NL(prf,prd,pmc,pad,pag) ORDERED(rf,dt,dc,rd,mc,ad,ag,prf,prd,pmc,pad,pag) */
rf.data_element_id AS data_element_id,
rf.name AS field,
DECODE (SUBSTR (rf.data_element_id, 1, 3),
'RD/', rd.name,
'AG/', ag.name,
'AD/', ad.name,
'MC/', mc.name)
AS profile,
DECODE (SUBSTR (rf.data_element_id, 1, 3),
'RD/', rd.profile_id,
'AG/', ag.profile_id,
'AD/', ad.profile_id,
'MC/', mc.profile_id)
AS profile_id,
prf.name AS parent_field,
DECODE (SUBSTR (rf.parent_profile_field_id, 1, 3),
NULL, NULL,
'RD/', prd.name,
'AD/', pad.name,
'AG/', pag.NAME, --shouldn't happen
'MC/', pmc.name --shouldn't happen
AS parent_profile,
DECODE (SUBSTR (rf.parent_profile_field_id, 1, 3),
NULL, NULL,
'RD/', prd.profile_id,
'AD/', pad.profile_id,
'AG/', pag.profile_id, --shouldn't happen
'MC/', pmc.profile_id --shouldn't happen
AS parent_profile_id,
dt.name AS data_type,
NVL (dc.name,
DECODE (UPPER (dt.name), 'ORGANISM', 'Organism', 'Not Coded'))
AS decode_type,
NVL (cfg.cfg_group, 'UNDEFINED') AS cfg_group,
NVL (cfg.cfg_set, 'UNDEFINED') AS cfg_set,
DECODE (rslt.data_element_id, NULL, 0, rslt.activity_count)
AS activity_count
FROM ud_master.result_field rf,ud_master.result_field prf
join ud_master.data_type dt on (rf.data_type_id=dt.data_type_id)
left outer join ud_master.decode_type dc on (rf.decode_source_id = dc.decode_source_id)
left outer join ud_master.result_profile rd on (rf.profile_id = rd.profile_id)
left outer join ud_master.result_multi_field_profile mc on (rf.profile_id = mc.profile_id)
left outer join ud_master.assess_profile ad on (rf.profile_id = ad.profile_id)
left outer join ud_master.assess_multi_field_profile ag on (rf.profile_id = ag.profile_id)
left outer join ud_master.result_field rf on (prf.parent_profile_field_id = rf.data_element_id)
left outer join ud_master.result_profile prd on (prf.profile_id = prd.profile_id)
left outer join ud_master.result_multi_field_profile pmc on (prf.profile_id = pmc.profile_id)
left outer join ud_master.assess_profile pad on (prf.profile_id = pad.profile_id)
left outer join ud_master.assess_multi_field_profile pag on (rf.profile_id = pag.profile_id)
left outer join (SELECT * FROM hhc_custom.dw_cfg_v WHERE cfg_type_id = 1) cfg on (rf.data_element_id = cfg.cfg_value)
left outer join (SELECT data_element_id, COUNT (*) AS activity_count FROM ud_master.result GROUP BY data_element_id) rslt on (rf.data_element_id = rslt.data_element_id);
Regards,
Kotesh

Hi Monica,
I need to have 2 aliases for ud_master.result_field table
So I f I change it like this
CREATE MATERIALIZED VIEW HHC_CUSTOM.HHC_RESULT_FIELD_DIMENSION0925 (DATA_ELEMENT_ID,FIELD,PROFILE,PROFILE_ID,PARENT_FIELD,PARENT_PROFILE,PARENT_PROFILE_ID,DATA_TYPE,DECODE_TYPE,CFG_GROUP,CFG_SET,ACTIVITY_COUNT)
TABLESPACE CUSTOM_01
PCTUSED 0
PCTFREE 10
INITRANS 2
MAXTRANS 255
STORAGE (
INITIAL 80K
NEXT 1M
MINEXTENTS 1
MAXEXTENTS UNLIMITED
PCTINCREASE 0
BUFFER_POOL DEFAULT
FLASH_CACHE DEFAULT
CELL_FLASH_CACHE DEFAULT
NOCACHE
ENABLE ROW MOVEMENT
NOLOGGING
NOCOMPRESS
NOPARALLEL
BUILD IMMEDIATE
REFRESH COMPLETE on DEMand
WITH PRIMARY KEY
AS
/* Formatted on 9/25/2012 11:53:36 AM (QP5 v5.215.12089.38647) */
SELECT /*+ ALL_ROWS FULL(rf) FULL(dt) FULL(dc) FULL(rd) FULL(mc) FULL(ad) FULL(ag) USE_HASH(rf,dt,dc,rd,mc,ad,ag) INDEX(prf,KP_RESULT_FIELD) INDEX(prd,KP_RESULT_PROFILE) INDEX(pmc,KP_RESULT_MULTI_FIELD_PROFILE) INDEX(pad,KP_ASSESS_PROFILE) INDEX(pag,KP_ASSESS_MULTI_FIELD_PROFILE) USE_NL(prf,prd,pmc,pad,pag) ORDERED(rf,dt,dc,rd,mc,ad,ag,prf,prd,pmc,pad,pag) */
rf.data_element_id AS data_element_id,
rf.name AS field,
DECODE (SUBSTR (rf.data_element_id, 1, 3),
'RD/', rd.name,
'AG/', ag.name,
'AD/', ad.name,
'MC/', mc.name)
AS profile,
DECODE (SUBSTR (rf.data_element_id, 1, 3),
'RD/', rd.profile_id,
'AG/', ag.profile_id,
'AD/', ad.profile_id,
'MC/', mc.profile_id)
AS profile_id,
prf.name AS parent_field,
DECODE (SUBSTR (rf.parent_profile_field_id, 1, 3),
NULL, NULL,
'RD/', prd.name,
'AD/', pad.name,
'AG/', pag.NAME, --shouldn't happen
'MC/', pmc.name --shouldn't happen
AS parent_profile,
DECODE (SUBSTR (rf.parent_profile_field_id, 1, 3),
NULL, NULL,
'RD/', prd.profile_id,
'AD/', pad.profile_id,
'AG/', pag.profile_id, --shouldn't happen
'MC/', pmc.profile_id --shouldn't happen
AS parent_profile_id,
dt.name AS data_type,
NVL (dc.name,
DECODE (UPPER (dt.name), 'ORGANISM', 'Organism', 'Not Coded'))
AS decode_type,
NVL (cfg.cfg_group, 'UNDEFINED') AS cfg_group,
NVL (cfg.cfg_set, 'UNDEFINED') AS cfg_set,
DECODE (rslt.data_element_id, NULL, 0, rslt.activity_count)
AS activity_count
FROM ud_master.result_field rf,ud_master.result_field prf
join ud_master.data_type dt on (prf.data_type_id=dt.data_type_id)
left outer join ud_master.decode_type dc on (prf.decode_source_id = dc.decode_source_id)
left outer join ud_master.result_profile rd on (prf.profile_id = rd.profile_id)
left outer join ud_master.result_multi_field_profile mc on (prf.profile_id = mc.profile_id)
left outer join ud_master.assess_profile ad on (prf.profile_id = ad.profile_id)
left outer join ud_master.assess_multi_field_profile ag on (prf.profile_id = ag.profile_id)
left outer join ud_master.result_field rf on (prf.parent_profile_field_id = rf.data_element_id)
left outer join ud_master.result_profile prd on (prf.profile_id = prd.profile_id)
left outer join ud_master.result_multi_field_profile pmc on (prf.profile_id = pmc.profile_id)
left outer join ud_master.assess_profile pad on (prf.profile_id = pad.profile_id)
left outer join ud_master.assess_multi_field_profile pag on (rf.profile_id = pag.profile_id)
left outer join (SELECT * FROM hhc_custom.dw_cfg_v WHERE cfg_type_id = 1) cfg on (rf.data_element_id = cfg.cfg_value)
left outer join (SELECT data_element_id, COUNT (*) AS activity_count FROM ud_master.result GROUP BY data_element_id) rslt on (rf.data_element_id = rslt.data_element_id);
I am getting the following error
DECODE (SUBSTR (rf.parent_profile_field_id, 1, 3),
ERROR at line 51:
ORA-00918: column ambiguously defined
Following is the original query I tried to modify
CREATE MATERIALIZED VIEW HHC_CUSTOM.HHC_RESULT_FIELD_DIMENSION (DATA_ELEMENT_ID,FIELD,PROFILE,PROFILE_ID,PARENT_FIELD,PARENT_PROFILE,PARENT_PROFILE_ID,DATA_TYPE,DECODE_TYPE,CFG_GROUP,CFG_SET,ACTIVITY_COUNT)
TABLESPACE CUSTOM_01
PCTUSED 0
PCTFREE 10
INITRANS 2
MAXTRANS 255
STORAGE (
INITIAL 80K
NEXT 1M
MINEXTENTS 1
MAXEXTENTS UNLIMITED
PCTINCREASE 0
BUFFER_POOL DEFAULT
FLASH_CACHE DEFAULT
CELL_FLASH_CACHE DEFAULT
NOCACHE
ENABLE ROW MOVEMENT
NOLOGGING
NOCOMPRESS
NOPARALLEL
BUILD IMMEDIATE
REFRESH COMPLETE ON DEMAND
WITH PRIMARY KEY
AS
/* Formatted on 9/26/2012 1:59:27 PM (QP5 v5.215.12089.38647) */
SELECT /*+ ALL_ROWS FULL(rf) FULL(dt) FULL(dc) FULL(rd) FULL(mc) FULL(ad) FULL(ag) USE_HASH(rf,dt,dc,rd,mc,ad,ag) INDEX(prf,KP_RESULT_FIELD) INDEX(prd,KP_RESULT_PROFILE) INDEX(pmc,KP_RESULT_MULTI_FIELD_PROFILE) INDEX(pad,KP_ASSESS_PROFILE) INDEX(pag,KP_ASSESS_MULTI_FIELD_PROFILE) USE_NL(prf,prd,pmc,pad,pag) ORDERED(rf,dt,dc,rd,mc,ad,ag,prf,prd,pmc,pad,pag) */
rf.data_element_id AS data_element_id,
rf.name AS field,
DECODE (SUBSTR (rf.data_element_id, 1, 3),
'RD/', rd.name,
'AG/', ag.name,
'AD/', ad.name,
'MC/', mc.name)
AS profile,
DECODE (SUBSTR (rf.data_element_id, 1, 3),
'RD/', rd.profile_id,
'AG/', ag.profile_id,
'AD/', ad.profile_id,
'MC/', mc.profile_id)
AS profile_id,
prf.name AS parent_field,
DECODE (SUBSTR (rf.parent_profile_field_id, 1, 3),
NULL, NULL,
'RD/', prd.name,
'AD/', pad.name,
'AG/', pag.NAME, --shouldn't happen
'MC/', pmc.name --shouldn't happen
AS parent_profile,
DECODE (SUBSTR (rf.parent_profile_field_id, 1, 3),
NULL, NULL,
'RD/', prd.profile_id,
'AD/', pad.profile_id,
'AG/', pag.profile_id, --shouldn't happen
'MC/', pmc.profile_id --shouldn't happen
AS parent_profile_id,
dt.name AS data_type,
NVL (dc.name,
DECODE (UPPER (dt.name), 'ORGANISM', 'Organism', 'Not Coded'))
AS decode_type,
NVL (cfg.cfg_group, 'UNDEFINED') AS cfg_group,
NVL (cfg.cfg_set, 'UNDEFINED') AS cfg_set,
DECODE (rslt.data_element_id, NULL, 0, rslt.activity_count)
AS activity_count
FROM ud_master.result_field rf,
ud_master.data_type dt,
ud_master.decode_type dc,
ud_master.result_profile rd,
ud_master.result_multi_field_profile mc,
ud_master.assess_profile ad,
ud_master.assess_multi_field_profile ag,
ud_master.result_field prf,
ud_master.result_profile prd,
ud_master.result_multi_field_profile pmc,
ud_master.assess_profile pad,
ud_master.assess_multi_field_profile pag,
(SELECT *
FROM hhc_custom.dw_cfg_v
WHERE cfg_type_id = 1) cfg,
( SELECT data_element_id, COUNT (*) AS activity_count
FROM ud_master.result
GROUP BY data_element_id) rslt
WHERE rf.data_type_id = dt.data_type_id
AND rf.decode_source_id = dc.decode_source_id(+)
AND rf.profile_id = rd.profile_id(+)
AND rf.profile_id = mc.profile_id(+)
AND rf.profile_id = ad.profile_id(+)
AND rf.profile_id = ag.profile_id(+)
AND rf.parent_profile_field_id = prf.data_element_id(+)
AND prf.profile_id = prd.profile_id(+)
AND prf.profile_id = pmc.profile_id(+)
AND prf.profile_id = pad.profile_id(+)
AND prf.profile_id = pag.profile_id(+)
AND rf.data_element_id = cfg.cfg_value(+)
AND rf.data_element_id = rslt.data_element_id(+);
Can you tell me how can I rewrite it with 'LEFT OUTER JOIN' syntax?
Regards,
Kotesh

Using Command to fix null / left outer join issue

Hi
I was told awhile ago that it's possible to fix crystal's issue with left outer join and null records being eliminated.
I think i remember most of how this goes, but i can't seem to duplicate it.
1) You can't have any select expert -- record
2) You create the report normally and then make a new report using the SQL Query
 - Can't remember if its the whole report or upto the tables that have hisotry (null results)
3) You move parts from WHERE to FROM
Hopefully someone can help correct the steps i'm doing wrong or add what i'm missing from this.
Below is the Query from my comlpeted report, but when i run it with the last LEFT OUTER JOIN added it removes all the products with no sales during that year.
Any help would be greatly appreciated even if it's to say this can't be done.
SELECT
"prod_warehouse"."pw_whs_id",
"prod_warehouse"."pw_prodline_id",
"prod_warehouse"."pw_prod_id",
"prod_warehouse"."pw_bin_location1",
"prod_warehouse"."pw_min_onhand_qty",
"prod_warehouse"."pw_max_onhand_qty",
"prod_warehouse"."pw_onhand_qty",
"product_lookup"."prlkp_lang1_1_desc",
"prod_customer"."prcu_cust_part_num",
"contract_details"."cond_level1_amt",
"sales_history"."sah_year"
FROM (((("sisl_data05"."dbo"."products" "products"
LEFT OUTER JOIN "sisl_data05"."dbo"."prod_warehouse" "prod_warehouse"
ON ("products"."pr_prod_id"="prod_warehouse"."pw_prod_id")
AND ("products"."pr_prodline_id"="prod_warehouse"."pw_prodline_id"))
LEFT OUTER JOIN "sisl_data05"."dbo"."product_lookup" "product_lookup"
ON ("products"."pr_prod_id"="product_lookup"."prlkp_prod_id")
AND ("products"."pr_prodline_id"="product_lookup"."prlkp_prodline_id"))
LEFT OUTER JOIN "sisl_data05"."dbo"."prod_customer" "prod_customer"
ON ("products"."pr_prod_id"="prod_customer"."prcu_prod_id")
AND ("products"."pr_prodline_id"="prod_customer"."prcu_prodline_id"))
LEFT OUTER JOIN "sisl_data05"."dbo"."contract_details" "contract_details"
ON "prod_warehouse"."pw_prod_id"="contract_details"."cond_prod_id")
LEFT OUTER JOIN "sisl_data05"."dbo"."sales_history" "sales_history"
ON (("prod_warehouse"."pw_whs_id"="sales_history"."sah_sortkey1")
AND ("prod_warehouse"."pw_prod_id"="sales_history"."sah_sortkey2"))
AND ("prod_warehouse"."pw_prodline_id"="sales_history"."sah_sortkey3")
WHERE
"prod_warehouse"."pw_whs_id"='20123'
AND ("prod_warehouse"."pw_onhand_qty"<>0
OR "prod_warehouse"."pw_bin_location1"<>' '
OR "prod_warehouse"."pw_max_onhand_qty">0)
AND "sales_history"."sah_year"=2014
ORDER BY "prod_warehouse"."pw_bin_location1", "prod_warehouse"."pw_prod_id"

Try this:
SELECT
prod_warehouse.pw_whs_id,
prod_warehouse.pw_prodline_id,
prod_warehouse.pw_prod_id,
prod_warehouse.pw_bin_location1,
prod_warehouse.pw_min_onhand_qty,
prod_warehouse.pw_max_onhand_qty,
prod_warehouse.pw_onhand_qty,
product_lookup.prlkp_lang1_1_desc,
prod_customer.prcu_cust_part_num,
contract_details.cond_level1_amt,
sales_history.sah_year
FROM sisl_data05.dbo.products products
LEFT OUTER JOIN sisl_data05.dbo.prod_warehouse prod_warehouse
 ON products.pr_prod_id=prod_warehouse.pw_prod_id
 AND products.pr_prodline_id=prod_warehouse.pw_prodline_id
LEFT OUTER JOIN sisl_data05.dbo.product_lookup product_lookup
 ON products.pr_prod_id=product_lookup.prlkp_prod_id)
 AND products.pr_prodline_id=product_lookup.prlkp_prodline_id
LEFT OUTER JOIN sisl_data05.dbo.prod_customer prod_customer
 ON products.pr_prod_id=prod_customer.prcu_prod_id
 AND products.pr_prodline_id=prod_customer.prcu_prodline_id
LEFT OUTER JOIN sisl_data05.dbo.contract_details contract_details
 ON prod_warehouse.pw_prod_id=contract_details.cond_prod_id
LEFT OUTER JOIN sisl_data05.dbo.sales_history sales_history
 ON prod_warehouse.pw_whs_id=sales_history.sah_sortkey1
 AND prod_warehouse.pw_prod_id=sales_history.sah_sortkey2
 AND prod_warehouse.pw_prodline_id=sales_history.sah_sortkey3
 AND sales_history.sah_year = 2014
WHERE prod_warehouse.pw_whs_id='20123'
AND (prod_warehouse.pw_onhand_qty<>0
 OR prod_warehouse.pw_bin_location1<>' '
 OR prod_warehouse.pw_max_onhand_qty>0)
Take a look at what I've done with the last line of the last join. The issue is that when you left join to a table and you use that table in the Where clause, you've basically turned your you left outer join into an inner join because the record has to be there in order to get the value in the filter. By moving the filter into the join, you'll still get the rest of the data when there is no corresponding record.
NOTE: Crystal adds all sorts of "extra" stuff like quotes and parentheses that you don't need and which I have removed to make the query easier to read.
-Dell

BI 7.0 Infoset - Infocube - Left outer join - query

Hi Expert,
A infoset contain Infocube and ODS, linked with left outer join, common fields are PO,PO item. PO account assignment ODS have three keyfields: PO Doc.,Item,account Assignment .
 PO Infocube PO Account Assignment ODS
PO PO item AmtPO Doc. Item AccAssignment Cost object
1000 10 230 1000 10 1 CC1
1001 10 250 1002 10 1 CC1
1002 10 150 1002 10 2 CC2
in BEx result are like this:
1000 10 230 1 CC1
1001 10 250 # #
1002 10 150 1 CC1
1002 10 150 2 CC2 ( amount only duplicated)
The issue was that amount gets duplicated. It only occurs if PO has more than one account assignment.
In report, we want show like this
1000 10 230 1 CC1
1001 10 250 # #
1002 10 150 1 CC1
1002 10 # 2 CC2
Any suggestion or input to overcome this issue?
Thanks,
Saran
Message was edited by:
 Saravanan K

Hi,
did you solve your problem? because I have the same issue right now: the left outer join doesn't seem to do its job.
Let me know if you have found a solution, it would be appreciated.
have a nice day,
Dominic

Left outer join query

Hi Experts,
 I am facing a problem with left outer join query. Am using one standard table and ztable for this join. My problem is values are not extracted from the Ztable.
Query:
 SELECT b~lifnr b~belnr b~gjahr b~xblnr b~shkzg b~blart b~zfbdt b~budat b~wrbtr
 b~wskto b~zlspr s~EXTRACT_STATUS s~maturity_date FROM bsik AS b
 LEFT OUTER JOIN zprm_rvne_sapdoc AS s
 ON s~belnr EQ b~belnr
 AND s~gjahr EQ b~gjahr
 INTO CORRESPONDING FIELDS OF TABLE it_join
 WHERE b~zlsch = p_zlsch
 AND b~xblnr IN so_invno
 ORDER BY b~lifnr b~xblnr.
I have all entries of BSIK table in Ztable with extract status as Y but this query is not fetching extract status and maturity date of ztable so it is blank in the internal table.
Need solution.
Regards
Sridevi S

Hi,
see the sample wiki for writing the Left outer join
http://wiki.sdn.sap.com/wiki/display/Snippets/EmployeeInfotype0000to9999ChangeHistory
Specifying Two or More Database Tables as a Left Outer Join
The left outer join, on the other hand, reads lines from the left-hand database table or join even if there is no corresponding line in the right-hand table.
SELECT...
FROM <tab> LEFT [OUTER] JOIN <dbtab> [AS <alias>] ON <cond>
 <options>
<tab> and <dbtab> are subject to the same rules and conditions as in an inner join. The OUTER addition is optional. The tables are linked in the same way as the inner join with the one exception that all lines selected from <tab> are included in the final selection. If <dbtab> does not contain any lines that meet the condition <cond>, the system includes a single line in the selection whose columns from <dbtab> are filled with null values.
In the left outer join, more restrictions apply to the condition <cond> than in the inner join. In addition to the above restrictions:
EQ or = is the only permitted relational operator.
There must be at least one comparison between columns from <tab> and <dbtab>.
The WHERE clause may not contain any comparisons with columns from <dbtab>. All comparisons using columns from <dbtab> must appear in the condition <cond>.
If we have two tables named stud1,stud2 with the following data
Stud1: id Name stud2: id Name
1 xxx 1 aaa
2 yyy 2 bbb
3 zzz 4 ccc
4 www 6 ddd
When we use Left Outer Join we get the output as:
1 aaa
2 bbb
3 <Null>
4 ccc
When we use Right Outer Join we get the output as:
1 aaa
2 bbb
4 ccc
<Null> ddd
When we use Full Outer Join we get the output as:
1 aaa
2 bbb
3 <Null>
4 ccc
<Null> ddd
Prabhudas

Help with left outer join

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