sql server: delete all the rows of all the tables

Question

I'd like to clear the database altogether and reset the data. What's the quickest way to do that? Or, what's the command that will delete all the rows of a table (and I'll repeat that process for all tables)?

Thanks

Answer 1

This approach will enable you to delete content from all tables, even those referenced by a foreign key constraint. You can enhance it to make it check for the absence of foreign key constraints and do a TRUNCATE TABLE in those cases.

EXEC sp_msforeachtable 'ALTER TABLE ? NOCHECK CONSTRAINT ALL'
EXEC sp_msforeachtable 'DELETE FROM ?'
EXEC sp_msforeachtable 'ALTER TABLE ? WITH CHECK CHECK CONSTRAINT ALL'