Efficient way to copy business data from Production DB to Test DB

Hi.
I'm a DBA in a software dev company.
The testing team people ask me replicate a customer (and all its data) from the System-Test DB to a DB of a certain tester.
Problem is the CUSTOMER table has releations to 6 other tables (ORDERS, ORDER_ITEMS, CONTACTS, etc) which in turn has relations to other tables.
As I see it I have two options:
1. Copy the entire System Tests DB to the other DB. This is bad - this DB is very large and we don't have enough disk space.
2. Work out manually all the relations of the CUSTOMER and write a script to copy just the relevant tables/records for the specific customer. This seems too much work...
Anybody familiar with a script/tool to perform this?

Ok.. I gave this tool a test run. Pretty impressive.
It allows you to set a 'root' entity (Customer in my case) and then it calculates all the relations by reading my schema's foreign-keys. I have one table that is logically connected, but has no FK defined in my schema. No problem - I can add this relation manually.
Now, I need to set the WHERE on my root entity (e.g. CUSTOMER_ID = 1234567) and the tool just shows me all the relevant tables with only the appropriate records displayed. Charm!
Lastly, I copied the tables/record to my test DB (the tool has a 'Sync' window).
Mission accomplished.

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Efficient way to copy business data from Production DB to Test DB

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