title: How Data migration achieve in Multitenant Application. How Seperate Schema Approach Is handled in multitenant Application?
body: <p>As per the Discussion <a href="https://entityframework.codeplex.com/discussions/462765" rel="nofollow">https://entityframework.codeplex.com/discussions/462765</a>  I have Created the Sample multitenant Application ,In that code Schema is dynamically created by guid id as schema name</p>
  
  <p>Everytime i registered into page ,the new guid id and schemas and tables are created .</p>
  
  <p>if i add some properties into codes,when new tenant register means the property applied to that tenant.</p>
  
  <p>But My question is if already registered tenant is asking i don't want the property telephone no and change the column to Email address means How i should handle in code first migration.is there any way to handle</p>
  
  <p>2)how to recover the telephone columns table data and how to map that withhout dataloss?</p>
  
  <p>3)if i  delete the particular column means the whole data will loss ?how i should handle that in multitenant application.</p>
  
  <p>without affecting other tenant data how we can add ,delete and alter the properties in multitenant application?</p>
  
  <p>can anyone explain with code level? can you understand my question</p>