title: What is the difference between an orm and ADO.net?
body: <p>I am reading a book and it says : "if you will create your own data access layer  by using ADO.NET for access into you database, you will be minimally affected whether the data schema exists or not. If however you are using an O/RM, your flexibility will be limited by the tool you use".
  What is the major difference between ADO.NET and any other ORM? </p>