Outputting group headers without info

Hello,
I'm interested in finding a way to output group headers even
if there is no corresponding group information.
For example, if you have the letters of the alphabet as your
headers, and then under each header list the Title of the movie
that starts with the group header. Well if this is database driven,
and there are some letters missing, like lets say there's no movie
that starts with X and none that starts with V. If you output the
query and put the first letter of the movie as the group header,
the X and the V headers would never show up.
But what if I want those headers to show up, in order to show
the user that this category is blank? I know there is a way in SQL
to do this. I can create a reference table with all letters of the
alphabet and do a left join onto the table with the movies, then
output the query and all letters of the alphabet would show up. I
can do this with a regular table or a temp table.
But I'd like to know if there is a way to do this in CF.
Maybe somehow create a structure with all letters of the alphabet,
and somehow pull the movie titles from the query into the
structure, then output the structure.
Any input appreciated, but please no crazy CF subqueries
(querying the database multiple times within an outer query).
Hopefully this can be done in 1 query, and as few outputs of that
query as possible.
Peter

Hi Simon,
Yes, I know the SQL solution is quicker and preferable, which
I did mention in my first post to this thread.
This question was posted more as curiosity than anything
else. There are times when I'm asked such questions, and even
though I would never bother to use such a solution, it's nice to
know the answer.
BTW, if you have the T-SQL or PL/SQL that would pull the
categories into a single column, then join onto a details table,
could you please post? Would you use temp tables or derived tables,
(ie join two queries?)
Thanks,
Peter

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Hi,
DESC is not a good column name; you could get errors if the parser thinks it means DESCending. I used DESCRIPTION instead, below.
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     GROUP BY item_no
SELECT     i.description
,     r.total_quantity
FROM     got_r_num     r
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;If you want to do it without a sub-query:
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FROM       deliveryitem     di
JOIN       item          i     ON     d1.item_no     = i.tiem_no
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;If you do nested aggegate functions, then every column in the SELECT clause must be an aggregate applied to either
(a) another aggregate, or
(b) one of the GROUP BY expressions.
That's why you got the ORA-00937 error.
This second approach will only display one row of output, so If there is a tie for the item with the greatest total_quantity, only one description will be shown. The RANK method will show all items that had the highest total_quantity.
It looks like the delivery table plays no role in this problem, but it there's some reason for including it, you can join it tpo either query above.
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Dear All,
I hope you all are fine and this is my first message to this forum.
We have a client specific requirement and in that client wants PO without Info Record updation. Info record will be there but for Material and Vendor only not for Price.
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You can do it with a correlated subquery :
SQL> select xmlserialize(document
2           xmlelement("root",
3             xmlagg(
4               xmlelement("emp"
5               , xmlforest(
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7                 , t.name as "ename"
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20         )
21 from test_table t;
XMLSERIALIZE(DOCUMENTXMLELEMEN
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</emp>
<emp>
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</root>
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;Edited by: odie_63 on 11 juil. 2012 14:54 - added 2nd option

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Edited by: Asayo Kasai on Jan 18, 2011 2:15 PM

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