Question

In sql server, i created a table with column id as int with identity, second one is name varchar, i created a proc for inserting and i write to statement that after inserting record i want that inserted record id for that i use @@identity it is working but, strangely @@identity is showing more rows, but in table that much records are not there shwoing less recrords. my proc is

     alter proc usp_test123  
      as begin  
        set nocount on;  
           insert into test123 values('sasi')  
          select  @@IDENTITY   
           end

Answer 1

Do you mean that the returned identity could be 10, while there are only 8 rows in the table?

identity columns are not guaranteed to be contigous. If rows are deleted, or a transaction doing an insert is rolled back, there will be missing numbers in the series.

As a side note, you should use SCOPE_IDENTITY() instead of @@IDENTITY. @@IDENTITY returns the id of the latest row inserted. If there are triggers on the table that you insert into, you would get the latest row inserted by the trigger. SCOPE_IDENTITY() gets the latest identity generated in the same code scope.