In SQL Server 2005, can I do a cascade delete without setting the property on my tables?

Question

I have a database full of customer data. It\'s so big that it\'s really cumbersome to operate on, and I\'d rather just slim it down to 10% of the customers, which is plenty

Answer 1

This script has two issues: 1. You must indicate the condition 1=1 in order to delete all table base. 2. This creates the direct relations with the base table only. If the final table has another table parent relation, the the delete fail

DELETE FROM [dbo].[table2] WHERE TableID in (select [ID] from [dbo].[table3] where 1=1)

If table2 has a parent relation table1