Solved

Databases reconciliation - Urgent !!!

Posted on 1999-01-19
2
175 Views
Last Modified: 2012-06-27
At the start of a project I had one master database which holded central information. I provided copies of that database to different people, *for info only*. Of course they used it and built on it, adding information (no new tables/relationships... just new data in existing tables).
Murphy came around (read management) and decided that the new information in the different database is extremely valuable and should be compiled.
Problem then : I now need to combine those databases into one. Trouble is, most of the tables have fields which are unique(autonumber, sequential). And the data which I need to  combine is spread over several tables (relationships exist), each with unique numberings. But those unique number per database, I will of course find them more than once when I try to combine the different databases.
Any suggestion on how to solve that problem ?
Thanks
0
Comment
Question by:lilletof
2 Comments
 
LVL 10

Accepted Solution

by:
brewdog earned 100 total points
ID: 1977200
I had to do this with one of my databases. Here's what I did:

1. Remove the relationships on your tables temporarily
2. Change the AutoNumber fields to Number, and add a field to identify each separate database. Your primary key for these tables will then be a combination of the Number and the database source.
3. Reestablish your relationships.
4. Import the data into temp tables, then use append queries to put the temp tables (plus a string for identifying the source) into your master tables.

It's a bit of a process, but it has worked well for me.

brewdog
0
 
LVL 7

Expert Comment

by:Dedushka
ID: 1977201
Hi, lilletof!
To avoid this problems in future you shoul use replication.
What can you do now - "that is the question".

Regards,
Dedushka

0

Featured Post

The Eight Noble Truths of Backup and Recovery

How can IT departments tackle the challenges of a Big Data world? This white paper provides a roadmap to success and helps companies ensure that all their data is safe and secure, no matter if it resides on-premise with physical or virtual machines or in the cloud.

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

The first two articles in this short series — Using a Criteria Form to Filter Records (http://www.experts-exchange.com/A_6069.html) and Building a Custom Filter (http://www.experts-exchange.com/A_6070.html) — discuss in some detail how a form can be…
QuickBooks® has a great invoice interface that we were happy with for a while but that changed in 2001 through no fault of Intuit®. Our industry's unit names are dictated by RUS: the Rural Utilities Services division of USDA. Contracts contain un…
Learn how to number pages in an Access report over each group. Activate two pass printing by referencing the pages property: Add code to the Page Footers OnFormat event to capture the pages as there occur for each group. Use the pages property to …
With Microsoft Access, learn how to specify relationships between tables and set various options on the relationship. Add the tables: Create the relationship: Decide if you’re going to set referential integrity: Decide if you want cascade upda…

815 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question

Need Help in Real-Time?

Connect with top rated Experts

7 Experts available now in Live!

Get 1:1 Help Now