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

If the expected data set is huge, I'd recommend to create a temp table, a view or a snapshot (materialized view) to store the query results + a row number retrieved either using ROWNUM or ROW_NUMBER analytic function. After that you can simply query this temp storage using row number ranges. Basically, you need to separate the actual data fetch from the paging.