Difference between IDENT_CURRENT ,@@IDENTITY and SCOPE_IDENTITY ?

Answer:

1.When we use the IDENT_CURRENT , it will return the last identity value generated for a specific table in any session and any scope.
2.When we use the @@IDENTITY , it will return the last identity value generated for any table in the current session, across all scopes.
3.When we use the SCOPE_IDENTITY, it will return the last identity value generated for any table in the current session and the current scope.