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The following page has been changed by KevinWilliams:
http://wiki.apache.org/ws/Tuscany/TuscanyJava/DAS_Java_Overview/RDBDAS_Java_User_Guide/Write_Operation_Ordering

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     SELECT * FROM CUSTOMER LEFT JOIN ORDER ON CUSTOMER.ID = ORDER.CUSTOMER_ID 
WHERE CUSTOMER.NAME = ?
  }}}
  
- The resulting data graph will contain all matching customers as well as there 
related orders.  Now assume the application uses the SDO API's to delete some 
customer from the graph and then also deletes the related orders.  Although the 
application deleted the customer first, the DAS must delete the orders first 
from the database since deleteting the customer, with existing referencing 
orders would violate the RI constraints and result in an exception.
+ The resulting data graph will contain all matching customers as well as their 
related orders.  Now assume the application uses the SDO API's to delete some 
customer from the graph and then also deletes the related orders.  Although the 
application deleted the customer first, the DAS must delete the orders first 
from the database since deleteting the customer, with existing referencing 
orders would violate the RI constraints and result in an exception.
  

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