Altering user-defined table types in SQL Server

Question

How can I alter a user-defined table type in SQL Server ?

Answer 1

You should drop the old table type and create a new one. However if it has any dependencies (any stored procedures using it) you won't be able to drop it. I've posted another answer on how to automate the process of temporary dropping all stored procedures, modifying the table table and then restoring the stored procedures.