Delete large amount of data in sql server

Question

Suppose that I have a table with 10000000 record. What is difference between this two solution?

1. delete data like :

   DELETE FROM MyTable
            
   
   
           

Answer 1

The best performance for clearing a table would bring TRUNCATE TABLE MyTable. See http://msdn.microsoft.com/en-us/library/ms177570.aspx for more verbose explaination