Paging with Oracle and sql server and generic paging method

Question

I want to implement paging in a gridview or in an html table which I will fill using ajax. How should I write queries to support paging? For example if pagesize is 20 and wh

Answer 1

select * 
  from ( select /*+ FIRST_ROWS(n) */   a.*,
      ROWNUM rnum 
      from ( your_query_goes_here, 
      with order by ) a 
      where ROWNUM <= 
      :MAX_ROW_TO_FETCH ) 
where rnum  >= :MIN_ROW_TO_FETCH;

Step 1: your query with order by

Step 2: select a.*, ROWNUM rnum from ()a where ROWNUM <=:MAX_ROW_TO_FETCH

Step 3: select * from ( ) where rnum >= :MIN_ROW_TO_FETCH; put 1 in 2 and 2 in 3