Update Existing SQL Server Database || Update an existing Entity Framework in MVC visual Studio

This videos tells about
How we can update existing sql server database tables, how to add new table to existing sql database.#
How we can update column datatype in existing table of sql server #
How we can update existing sql server columns, datatype, primary key #
How we can update existing entity framework of mvc project #
How to add new tables in existing entity framework. #
How to create table in sql server data base with primary key. #