Newbie: how to pull data from different data bases to a central location

Hello,
I have no experience at all in Oracle; just in MySQL, PostgreSQL, Firebird for simple applications. I have this project where my Client wants to extract data from related 5 tables, from 12 databases in different locations. Table structure in all 12 locations are the same, and I need to consolidate information for reporting purposes. I was planning in developing a Delphi application for this purpose, yet maybe with pure Oracle SQL or Oracle tools can I automate this?
Thank you

Please clarify your term "database".Instance of an Oracle database, one in each of the 12 locations.
Are the computers in all these locations available via Internet?My client can see all 12 databases from an Oracle database manager; I still have to investigate if its through Internet or private WAN.
What RDBMS are all these data sources?I have yet to verify the precise Oracle version, yet I know its an old one: 7 or 9. Will confirm it.
What flavor of RDBMS is the target data repository?Same as previous question
Is this a 1 shot data load or an ongoing requirement to consolidate "new" data into repository?The require to pull data automatically, maybe a batch process done by night.

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消息编辑者为：Datathinker from Raqsoft

Hi,
This forum is dedicated to SQL Developer Data Modeler product.
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Hi,
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Country
Date
123AP1
P
US
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123A1
A
WO
4/4/2010
123A2
A
US
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4/4/2010
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Please simplify the question while asking to make it easy to understand.. this question is very confusing to understand..
For your purpose you should be able to get the result using calculation context based count on a conditional variable with all your logic
Create a variable like below
var =if [Type] = 'P' [ID] = '123AP1' and [Country] = 'US' then 1 else if Type] = 'A' [ID] = '123A1' and [Country] <> 'US' thenn 1
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Hi,
937440 wrote:
Hi every one, this is my first post in this portal. Welcome to the forum!
Be sure to read the forum FAQ {message:id=9360002}
I want display the details of emp table.. for that I am using this SQL statement.
select * from emp where mgr=nvl(:mgr,mgr);
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The following query includes rows where mgr is NULL only when the bind variable :mgr is NULL, in which case it displays all rows:
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OR      :mgr      IS NULL
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FROM     emp
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REPORT ZINSERT.
tables kna1.
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First of all; it would be difficult to know less about Oracle than myself.
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5e33d18c-3b32-48d4-82a7-676feeaa97c9 wrote:
Newbie blues: Oracle Sql Developer showing different data from Sqlplus.
First of all; it would be difficult to know less about Oracle than myself.
I just installed a recent copy of the server and am running SQl Developer 3.2.20.10.
I made a small test table , borrowed some pl sql code to add rows, then wrote code to delete some rows. Lots of fun.
In SQL Developer “Select * from t1;” now shows 7 records, which seems right.
I wanted other views of the data and so logged in from the command line using SQLPlus.
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No fun ! What am I not understanding here ?
Others sessions never see uncommitted data
> then wrote code to delete some rows. Lots of fun.
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Hi Experts,
I am new to SAP BI. I have a basic doubt on Modelling the InfoCube.
In our requirement, I have to populate data from 9 custom SAP Tables on to 9 ODS's. And, then take these data on to Infocubes.
And, they want to reduce the number of cubes as much as possible. So, I have to combine the data from different ODS's and build 2-3 Infocubes.
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I am going to combine 5 ODS's data on to 1 CUBE based on Delivery number...
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Answer for your question and the suggestion.
the data will look like as given below
Delivery no, field_a, field_b, field_c, field_d, field_e, field_f, field_g, field_h
11233           1           1           1          1            0           0            0            0
11233          0           0          0             0           1           1           1          1
but the best way, according the design standards is creating another DSO on the top of all the DSO's and combine all the data in that DSO and send the data to Infocube. then the data will be shown as below.
Delivery no, field_a, field_b, field_c, field_d, field_e, field_f, field_g, field_h
11233           1           1           1          1            1           1           1          1
Regards,
Siva A

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may I know how to select data from different database?
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Hi,
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Newbie: how to pull data from different data bases to a central location

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