How to Count Number of Rows into Cursor in SQL
In this article I am going to explain how to count number of rows into a cursor in SQL
Introduction
A cursor is a database object that points to a result set. We use cursor to fetch any specific row from result set. Most of time cursor is used by application programmer.
Implementation of cursor in SQL
- We can implement cursor through standard database APIs.
- We can implement cursor through Transact-SOL
SQL Statement used in cursor
- DECLARE : It is used to define a new cursor.
- OPEN : It is used to open a cursor
- FETCH : It is used to retrieve a row from a cursor.
- CLOSE : It is used to close a cursor.
- DEALLOCATE : It is used to delete a cursor and releases all resources used by cursor.
@@CURSOR_ROWS System Function
@@CURSOR_ROWS System Function is used to find the number of rows in result set. @@CURSOR_ROWS System Function only works with static cursor. It doesn't works with dynamic cursor.
Statement that use @@FETCH_STATUS system function
Statement that use @@cursor_rows system function
