Join on 3 Tables

Hi folks,
Thanks a lot for providing such a good platform to find answers and clearing doubts.
Here is the situation :
1. Table 1 - Agent unique ID, Unique account no, First Name, Last Name, Parent Group.
Agent Unique ID determines each agent in this master table. Each Agent is assigned to a group (Parent Group).
2. Table 2 - Agent unique ID, Address, Email.
This table doesn't have parent group column. We have to find address, Email for all agents in a particular group.
3. Table 3 - Agent Unique ID, Credit Card Numbers, Credit Card Expiry Date.
This table doesn't have parent group column. We have to find credit card numbers and their expiry date.
I need to write a query which will give Agent unique ID, Unique account no, first name, last name, address , email , credit card no, credit card expiry date for those agents whose credit card expiry date is less than sysdate or date specified.
I am able to join Table 1 and table 2 successfully but don't know how to join table 3 for above requirment.
Please give suggestions to solve it...
Many thanks in advance.

Thanks for reply...
I tried simple inner join on 3 tables. Here is the where clause of it.
Where T1.Unique Agent Id = T2.Unique Agent ID
AND T1.Unique Agent ID = T3.Unique Agent ID
AND T1.PARENT Group = '4615425'
AND T1.Unique Agent ID IN (
                                          SELECT Unique Agent ID FROM T3                                              WHERE unique agent id in
                                                                           ( select unique agent id from t1 where parent group = '123')
                                          AND CREDIT_CARD_EXP_DT < SYSDATE
                                         ) But it is showing repeating rows. When I checked the count using below query...
                          SELECT Unique Agent ID, Credit Card no, Credit cArd expriy date FROM T3
                          WHERE unique agent id in
                          ( select unique agent id from t1 where parent group = '123')
                          AND CREDIT_CARD_EXP_DT < SYSDATE
                                               The count should match but it is not matching.
Please also suggest what should a good data model in this situation too.. Just curious to know about...

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Performance for join 9 custom table with native SQL ?

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Thank You and Best Regards

you can only argue coming from measurements and that is not the case.
Coming from the code, I see only that you do not understand it at all, so better leave it as it is. It is not a hash table, but a hash join on these table.

Right way to preserve all parent table entries in a join with many tables!!

This problem is quite interesting to me. I have asked this question to others but no body is able to provide me with proper answers.
The problem is: How do I join a huge parent table with many child tables (more than 5 child tables) preserving all of the parent table entries. Lets say there is the parent table parentTable and three child tables childTable1, childTable2, childTable3. In order to get the data after joining these tables the query that I have been using was:
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Hello Lakshmi,
Although I do not know exactly how to achieve what you want to achieve but I have seen DBAs/ABAPers in my experience can run queries/scripts using the COUNT function to give the actual number of line items per table for all your 100 or odd tables.
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Sometimes I want to just display a single table without a logical join to another table in the repository. However, everytime I move it to the Business Model and Mapping layer and perform a Global Consistency Check, it tells me that it needs a logical join and I am forced to create another table to join to it. Thus creating a dimension-fact relationship. There are times I don't need this relationship and just want to display some data. Is there anyway to get around this?
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Yes,You have to create a join.You cannot take single table to BMM layer.You can create an alias of the table.Join this alias and base table through any common column and take both tables to BMM and desired table to presentation layer.
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In the Database Expert, expand the Create New Connection folder and browse the subfolders to locate your data source.
Log on to your data source if necessary.
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Optionally, you can create a parameter for your command by clicking Create and entering information in the Command Parameter dialog box.
For more information about creating parameters, see To create a parameter for a command object.
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Thanks.

A couple suggestions:
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SELECT *
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I try to accomplish in Oracle Business Intelligence 11.1.1.3.0:
F1 (D1, D2 and D3)
F2 (D1 and D2 and D4)
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State: HY000. Code: 10058. [NQODBC] [SQL_STATE: HY000] [nQSError: 10058] A general error has occurred. [nQSError: 43113] Message returned from OBIS. [nQSError: 14025] No fact table exists at the requested level of detail: [,,Clients,,Day,ROI,,,,EW_Names,,,,,,,,,,,,,,,,,]. (HY000)
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Thanks for all your replies.
Actually, I've tried the solutions you guys mentioned. Generally speaking, the result should be displayed. However, my scenario is a little bit tricky.
table Y's figures are not the aggregation of table X for D dimension. Instead, table Y's figures include not only D dimension total, but also others (others do not mean A, B, C dimension). For example, table Y stores all food's figure, while table X stores only drink's figure. D dimension is only about drink's detail. In my scenario, other foods' figure is not provided.
So, even if I set D dimension to all/total for table X, table X's result is still not the same as table Y.
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COLMAP
OVERRIDEDUPS
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Good luck,
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Hi,
I am trying to use left outer join with multiple tables , the join condition will be based on PERNR and BEGDA & ENDA for each infotype in selection screen.
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Why don't you use the standard logical database PNPCE and then Provide statement?

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Hi All,
Iam new to sql, so can you please let me know What is the maximum number of tables that can be outer joined with one table in a query?
Thanks,
Srini

srinu2 wrote:
Iam new to sql, so can you please let me know What is the maximum number of tables that can be outer joined with one table in a query?
There is no limit to the number of tables you can outer join as long as you join them correctly.
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20      select 1 key1, 4 key2, '1-4' dta from dual union all
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24      select 2 key1, 4 key2, '2-4' dta from dual union all
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26      select 3 key1, 2 key2, '3-2' dta from dual union all
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40      from a, b
41      where a.b_key = b.id
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How to use outer join on 3 tables

how to use outer join on 3 tables
say tables are mkpf,lips and vbrp
mkpf-xblnr = lips-vbeln
lips-vbeln = vbrp-vgbel

refer following querry
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Help in join of two tables

Hi,
I have following 2 tables
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sr_no INT
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sr_no INT,
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for each sr_no in table a ther exists multiple/no record in table b.
If there are multiple entries in table b for a single entry in table a,
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Example data of table b
1     10/15/2009     one
1     10/29/2009     one1
2     10/28/2009     two
3     10/27/2009     three
4     10/26/2009     four
minimum date of the first 2 records is 10/15/2009.so i want remark as "one" when i join the 2 tables.
How do we achieve that ?

Something like this?
SELECT SUB.SR_NO
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FROM
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)       SUB
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- I have two databases A and B
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I want to execute a select query in A which joins to a table in B using db link.
select * from a_table where id in ( select id from b_table@B )
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It seems like the join operation brings the whole remote data to A for performing the join.
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I am really sorry. The sample query was the other way round. A mistake in my description.
I want to select data from B which joins to a table in A using db link.
select * from b_table@B where id in ( select id from a_table )
Arun, Thanks for the reply. But I am not sure if it will solve problem of transporting data from one db to another for performing the join.

Oracle outer join on multiple tables throws error

Hi ,
We are using ansi joins with outer joins on multiple tables in oracle 9i.
Now these queries have to be used in Oracle8i.
Since Oracle8i does not support ansi sql we are replacing the ansi sql queries with the oracle joins.
On trying the same we found that the following query
select *from tab1 a, tab2 b, tab3 c where a.c1 = b.col1(+) and c.c2 = b.col2 (+)
throws the error
ORA-01417: a table may be outer joined to at most one other table.
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thanks

Try writing the query in this form:
select * from
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ANSI Standard Join with Nested Table

Does anyone know how to (or whether you actually can) use ansi standard table joins with nested tables.
Non-ansi standard would look something like this
SELECT e.empno
FROM departments d, TABLE(d.employees) e
WHERE d.deptno = 10;
Where d.employees is a nested table.
But if I try ansi-standard I like such:
SELECT e.empno
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I get
ORA-00905: missing keyword
because I have nothing to join it on.
Your help is very much appreciated

Both replies worked fine.
I think I will go with the NATURAL JOIN as it seems the cleanest option.
Thanks Guru 2748

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Hey Gurus!
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Thanks
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Hi,
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Join on 3 Tables

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