Data File-- atleast one member from each dimension is it mandatory??

Is it mandatory to have atleast one member each dimension in the data file that is used for loading into the Cube?If we leave one member from a dimension is it going to create a problem?So, If I want to load with different data files for different members of measures & is there any way to avoid extraneous member ( from one Dimension, the reason is cuz there are 2 dimensions out of which one may need not be actually included in the text file ) in the data file??Your views about this will be appreciated!!Thanks

In a load rule file, you can create something called a header - which can be used to specify member(s) that do not appear in the data file.To specify a header, choose Options / Data Load Settings / Header Definition. The caveat is that you can only choose one member from the missing dimension - you cannot specify multiple members from the same dimension. If that is the case, then the members will have to be in the data file.Regards,Jade---------------------------------Jade ColeSenior Business Intelligence ConsultantClarity [email protected]

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Space allocation on 11g R2 on multiple data files in one tablespace

hello
if the following is explained in Oracle 11g R2 documentation please send a pointer. I cant find it myself right now.
my question is about space allocation (during inserts and during table data load) in one table space containing multiple data files.
suppose i have Oracle 11g R2 database and I am using OMF and Oracle ASM on Oracle Linux 64-bit.
I have one ASM disk group called ASMDATA with 50 ASM disks in it.
I have one tablespace called APPL_DATA with 50 data files on it, each file = 20 GB (equal size), to contain one 1 TB table calll MY_FACT_TABLE.
During Import Data Pump or during application doing SQL Inserts how will Oracle allocate space for the table?
Will it fill up one data file completely and then start allocating from second file and so on, sequentially moving from file to file?
And when all files are full, which file will it try to autoextend (if they all allow autoextend) ?
Or will Oracle use some sort of proportional fill like MS SQL Server does i.e. allocate one extent from data file 1, next extent from data file 2,.... and then wrap around again? In other words it will keep all files equally allocated as much as possible so at any point in time they will have approximately the same amount of data in them (assuming same initial size ?
Or some other way?
thanks.

On 10.2.0.4, regular data files, autoallocate, 8K blocks, I've noticed some unexpected things. I have an old, probably obsolete habit of making my datafiles 2G fixed, except for the last, which I make 200M autoextend max 2G. So what I see happening in normal operations is, the other files fill up in a round-robin fashion, then the last file starts to grow. So it is obvious to me at that time to extend the file to 2G, make it noautoexented, and add another file. My schemata tend to be in the 50G range, with 1 or 2 thousand tables. When I impdp, I notice it sorts them by size, importing the largest first. I never paid too much attention to the smaller tables, since LMT algorithms seem good enough to simply not worry about it.
I just looked (with dbconsole tablespace map) at a much smaller schema I imported not long ago, where the biggest table was 20M in 36 extents, second was 8M in 23 extents, and so on, total around 200M. I had made 2 data files, the first 2G and the second 200M autoextend. Looking at the impdp log, I see it isn't real strong about sorting by size, especially under 5M. So where did the 20M table it imported first end up? At the end of the auotextend file, with lots of free space below a few tables there. The 2G file seems to have a couple thousand blocks used, then 8K blocks free, 5K blocks used, 56K blocks free, 19K blocks used, 148K free (with a few tables scattered in the middle of there), 4K blocks used, the rest free. Looking at an 8G similar schema, looks like the largest files got spread across the middle of the files, then the second largest next to it, and so forth, which is more what I expected.
I'm still not going to worry about it. Data distribution within the tables is something that might be important, where blocks on the disk are, not so much. I think that's why the docs are kind of ambiguous about the algorithm, it can change, and isn't all that important, unless you run into bugs.

SQL to group the records and apply logic to pick one record from each group

Hi Friends,
I am looking for a query to group the records on certain columns in a table and then from each group I want to pick only one record based on certain rules.
May be having data laid out will make my point more clear to you. Here you go :
CREATE TABLE AD_LIST
FILE_NAME             VARCHAR2(50 BYTE),
ACTIVITY_START        DATE,
ACTIVITY_END          DATE,
DIVISION              VARCHAR2(50 BYTE),
ITEM_CODE             VARCHAR2(50 BYTE),
MULT                  NUMBER,
RETAIL                NUMBER,
AD_PAGE               VARCHAR2(1 BYTE),
FORECAST              NUMBER,
MEMO                  VARCHAR2(50 BYTE)
INSERT INTO AD_LIST VALUES ('FILE_1','01-APR-2010','15-APR-2010','B',1111,5,10,'A',10,'This must be in my result');
INSERT INTO AD_LIST VALUES ('FILE_1','01-APR-2010','15-APR-2010','B',1111,1,1,'B',15,'Must not be in my result');
INSERT INTO AD_LIST VALUES ('FILE_1','01-APR-2010','15-APR-2010','B',1111,6,15,'C',11,'Must not be in my result');
INSERT INTO AD_LIST VALUES ('FILE_1','16-APR-2010','30-APR-2010','N',1111,4,20,'D',40,'Must not be in my result');
INSERT INTO AD_LIST VALUES ('FILE_1','16-APR-2010','30-APR-2010','N',1111,5,15,'E',30,'Must not be in my result');
INSERT INTO AD_LIST VALUES ('FILE_1','16-APR-2010','30-APR-2010','N',1111,1,2,'F',20,'This must be in my result');
CREATE TABLE PAGE_RANK
AD_PAGE VARCHAR2(1 BYTE),
RANK NUMBER
INSERT INTO PAGE_RANK VALUES ('A',1);
INSERT INTO PAGE_RANK VALUES ('B',2);
INSERT INTO PAGE_RANK VALUES ('C',3);
INSERT INTO PAGE_RANK VALUES ('D',4);
INSERT INTO PAGE_RANK VALUES ('E',5);
INSERT INTO PAGE_RANK VALUES ('F',6);
COMMIT;
SELECT * FROM AD_LIST
FILE     ACTIVITY     ACTIVITY          ITEM               AD
NAME     START          END          DIV     CODE     MULT     RETAIL     PAGE     FORECAST     MEMO
FILE_1     4/1/2010     4/15/2010     B     1111     5     10     A     10     This must be in my result
FILE_1     4/1/2010     4/15/2010     B     1111     1     1     B     15     Must not be in my result
FILE_1     4/1/2010     4/15/2010     B     1111     6     15     C     11     Must not be in my result
FILE_1     4/16/2010     4/30/2010     N     1111     4     20     D     40     Must not be in my result
FILE_1     4/16/2010     4/30/2010     N     1111     5     15     E     30     Must not be in my result
FILE_1     4/16/2010     4/30/2010     N     1111     1     2     F     20     This must be in my resultNow, from the table AD_LIST I want to group the records based on FILE_NAME, ACTIVITY_START, ACTIVITY_END, DIVISION, ITEM_CODE.
So in my example here we have 2 set of records grouped based on the columns specified.
Also we have one more table, PAGE_RANK, which has a rank corresponding to each ad_page number. Here 1 is higher rank than 2. Hence ad page 'A' takes priority over 'B'. Similarly for all other ad pages.
Now, we need to pick one ad from each group of ads by determining the highest ranked ad page within the group and the value for mult and retail must be replaced with the value that has min(retail/mult). So, using the above data we will have the one having ad page = 'A' and ad page = 'D' as the final results since they have highest ad page rank in their group.
The value for mult and retail values for ad_page 'A' = min (10/5 , 1/1, 15/6) = 1,1(mult,retail).
The value for mult and retail values for ad_page 'D' = min (20/4 , 15/5, 2/1) = 1,2(mult,retail).
Finally I have this query below
SELECT a.file_name,
       a.activity_start,
       a.activity_end,
       a.division,
       a.item_code,
       FIRST_VALUE (a.mult) OVER (PARTITION BY a.file_name, a.activity_start, a.activity_end, a.division, a.item_code ORDER BY (a.retail /
                                                                                                                                a.mult))
                                                                                                    mult,
       FIRST_VALUE (a.retail) OVER (PARTITION BY a.file_name, a.activity_start, a.activity_end, a.division, a.item_code ORDER BY (a.retail /
                                                                                                                                  a.mult))
                                                                                                  retail,
       FIRST_VALUE (a.ad_page) OVER (PARTITION BY a.file_name, a.activity_start, a.activity_end, a.division, a.item_code ORDER BY (b.RANK))
                                                                                                 ad_page,
       a.forecast,
       a.memo
FROM ad_list a, page_rank b
WHERE a.ad_page = b.ad_pageThis query is giving me all the records but with the values what I wanted in Ad_Page, Mult and Retail columns.
How can I pick only one from each group.
I am getting this FILE     ACTIVITY     ACTIVITY          ITEM               AD
NAME     START          END          DIV     CODE     MULT     RETAIL     PAGE     FORECAST     MEMO
FILE_1     4/1/2010     4/15/2010     B     1111     1     1     A     15     Must not be in my result
FILE_1     4/1/2010     4/15/2010     B     1111     1     1     A     10     This must be in my result
FILE_1     4/1/2010     4/15/2010     B     1111     1     1     A     11     Must not be in my result
FILE_1     4/16/2010     4/30/2010     N     1111     1     2     D     20     This must be in my result
FILE_1     4/16/2010     4/30/2010     N     1111     1     2     D     30     Must not be in my result
FILE_1     4/16/2010     4/30/2010     N     1111     1     2     D     40     Must not be in my resultBut I want this FILE     ACTIVITY     ACTIVITY          ITEM               AD
NAME     START          END          DIV     CODE     MULT     RETAIL     PAGE     FORECAST     MEMO
FILE_1     4/1/2010     4/15/2010     B     1111     1     1     A     10     This must be in my result
FILE_1     4/16/2010     4/30/2010     N     1111     1     2     D     20     This must be in my resultI have to run this query for thousands of such group combination.
Hope some one can throw some light on this query.
Thanks in advance,
Raj.

Frank,
You are marvelous.
That is what I was expecting, but basically I want to display the row with highest page rank which is 'A' and 'D' in this case.
So I have changed my query as below using yours :
WITH mainq AS
     (SELECT a.file_name,
             a.activity_start,
             a.activity_end,
             a.division,
             a.item_code,
             FIRST_VALUE (a.mult) OVER (PARTITION BY a.file_name, a.activity_start, a.activity_end, a.division, a.item_code ORDER BY (a.retail /
                                                                                                                                      a.mult))
                                                                                                    mult,
             FIRST_VALUE (a.retail) OVER (PARTITION BY a.file_name, a.activity_start, a.activity_end, a.division, a.item_code ORDER BY (a.retail /
                                                                                                                                        a.mult))
                                                                                                  retail,
             --FIRST_VALUE (a.ad_page) OVER (PARTITION BY a.file_name, a.activity_start, a.activity_end, a.division, a.item_code ORDER BY (b.RANK))
             a.ad_page,
             a.forecast,
             a.memo,
             ROW_NUMBER () OVER (PARTITION BY a.file_name, a.activity_start, a.activity_end, a.division, a.item_code ORDER BY b.RANK)
                                                                                             AS r_num
        FROM ad_list a, page_rank b
       WHERE a.ad_page = b.ad_page)
SELECT *
FROM mainq a
WHERE r_num = 1
FILE     ACTIVITY     ACTIVITY          ITEM               AD
NAME     START          END          DIV     CODE     MULT     RETAIL     PAGE     FORECAST     MEMO
FILE_1     4/1/2010     4/15/2010     B     1111     1     1     A     10     This must be in my result
FILE_1     4/16/2010     4/30/2010     N     1111     1     2     D     40     Must not be in my resultMy apologies that I gave you wrong forecast and memo values in my earlier post.
But that is what I wanted and your input greatly helped me to save lot of time by using in one single query.
Earlier I was using cursor to do that and it was not doing any good performance wise.
Thanks to every body for your time and your efforts.
I appreciate it.
Have fun.
~Raj

Can I have two Data Files in One control file of sql*loader tool

hi,
Can someone help me out. is it possible to have two Data Files in one control file of Sql*loader.
And isit possible to run 10,000 records before lunch and 10,000 records before tea and 10,000 records before evening session by giving breaks after every 10,000 records.
Thanks
Ram

Yes. You can specify two datafiles in one control file and can load using sql loader.
I give you the sample control file.
Load DATA
INFILE 'TEST1.CSV'
INFILE 'TEST2.CSV'
TRUNCATE
INTO TABLE TEST_P
FIELDS TERMINATED BY "," OPTIONALLY ENCLOSED BY '"'
TRAILING NULLCOLS
(COL_1,
COL_2,
COL_n)
Hope It will help you.
-Karthik

SQL query - select one row from each date group

Hi,
I have data as follows.
Visit_Date Visit_type Consultant
05/09/2009 G name1
05/09/2009 G name2
05/09/2009 G name3
06/09/2009 I name4
07/09/2009 G name5
07/09/2009 G name6
How to select data as follows
05/09/2009 G name1
06/09/2009 G name4
07/09/2009 G name5
i.e one row from every visit_date
Thanks,
MK Nathan
Edited by: k_murali on Oct 7, 2009 10:44 PM

Are you after this (one row per date per visit_type)
with dd as (select to_date('05/09/2009','MM/DD/YYYY') Visit_Date, 'G' Visit_type, 'name1' Consultant from dual
            union all
            select to_date('05/09/2009','MM/DD/YYYY') Visit_Date, 'G' Visit_type, 'name2' Consultant from dual
            union all
            select to_date('05/09/2009','MM/DD/YYYY') Visit_Date, 'G' Visit_type, 'name3' Consultant from dual
            union all
            select to_date('06/09/2009','MM/DD/YYYY') Visit_Date, 'G' Visit_type, 'name4' Consultant from dual
            union all
            select to_date('07/09/2009','MM/DD/YYYY') Visit_Date, 'G' Visit_type, 'name5' Consultant from dual
            union all
            select to_date('07/09/2009','MM/DD/YYYY') Visit_Date, 'G' Visit_type, 'name6' Consultant from dual
            union all
            select to_date('07/09/2009','MM/DD/YYYY') Visit_Date, 'F' Visit_type, 'name7' Consultant from dual)
select trunc(visit_date) visit_date, visit_type, min(consultant)
from   dd
group by trunc(visit_date), visit_type
order by trunc(visit_date);
VISIT_DAT V MIN(C
09/MAY/09 G name1
09/JUN/09 G name4
09/JUL/09 G name5
09/JUL/09 F name7or are you after only one row per date?:
with dd as (select to_date('05/09/2009','MM/DD/YYYY') Visit_Date, 'G' Visit_type, 'name1' Consultant from dual
            union all
            select to_date('05/09/2009','MM/DD/YYYY') Visit_Date, 'G' Visit_type, 'name2' Consultant from dual
            union all
            select to_date('05/09/2009','MM/DD/YYYY') Visit_Date, 'G' Visit_type, 'name3' Consultant from dual
            union all
            select to_date('06/09/2009','MM/DD/YYYY') Visit_Date, 'G' Visit_type, 'name4' Consultant from dual
            union all
            select to_date('07/09/2009','MM/DD/YYYY') Visit_Date, 'G' Visit_type, 'name5' Consultant from dual
            union all
            select to_date('07/09/2009','MM/DD/YYYY') Visit_Date, 'G' Visit_type, 'name6' Consultant from dual
            union all
            select to_date('07/09/2009','MM/DD/YYYY') Visit_Date, 'F' Visit_type, 'name7' Consultant from dual)
select trunc(visit_date) visit_date, min(visit_type) visit_type, min(consultant)
from   dd
group by trunc(visit_date)
order by trunc(visit_date);
VISIT_DAT V MIN(C
09/MAY/09 G name1
09/JUN/09 G name4
09/JUL/09 F name5

How to clear data on only one member

<p>Hi</p><p>i have for members in my components dimension(Member A,Member B,Member C, Member D ).</p><p>i want to clear all data under MemberA, without touching anydata under other members.</p><p>i used the same dataload rule which i used for loading Member A,with changing the option from "Overwrite existingvalues" to "Substract existing values". But it gavea lot of errors.</p><p>can anyone suggest a better way.</p><p>thanks</p><p> </p><p> </p>

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Hi,
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Good afternoon,
I have a project assigned to me that has some Ni TestStand code written to read files from a fixed directory and I would like to change this directory to be the directory where the TestStand seqeunce file is located.
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http://msdn.microsoft.com/en-us/library/windows/desktop/aa364934%28v=vs.85%29.aspx
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http://john-goodwin.blogspot.com/

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Now the problem is:
In the data file, we will get one record/line, but we need to create 2 or more items/lines for the same line(of data file).
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Moderator message: duplicate post locked.
Edited by: Thomas Zloch on Jul 1, 2011 10:48 AM

Data file will be some what like:
Col1 Col2 Col3 Col4 Col5 Col6     [just an example]
Where, Col1 =, Col2 and Col6 are for header data and Col3 and Col4 for Item data. Based on header data value on Col2 we have to create multiple Items.
e.g. If Col2 is inbetween 0 to 100, then Create only 1 Item
       If Col2 is inbetween 101 to 1000, then Create 2 Items
       If Col2 is iabove 1000, then Create only 3 Items
There is another logic (Based on some other Header fields) to fill different values for different Items
Hope this expalins the scenerio.
Regards,
Pankaj

I have 100 data files, I want to join them together as one data file

I need to join approx. 100 data files into one data file, and be able to read back each data file from that one big file. I would also like a feature to count how many files are in the main one file. The data files contain graphs, text and numerics.

What you want to do is not going to be easy to implement. The idea is that files are just binary data and you can join the data into one binary file. The trick is going to be creating the appropriate header for the binary file to include things like file location--the beginning and end of a subfile--as well as the number of files. The exact structure of the header is really left up to you and your imagination.
Why do you want to join all the files into one? It sounds like what you have works now and making one file increases the chances that all of your data will be lost if the file becomes corrupted. Also LabVIEW is limited to files of about 2GBytes, so you will be more likely to run into this limit.

Data File-- atleast one member from each dimension is it mandatory??

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