although CURSOR and FETCH is classified as ‘evil‘ in SQL server, but sometimes we cannot avoid using it. Cause in some scenarios, pivot and other similiar method to perform looping and transformation is not sufficient enough. here’s a link of good example implementing cursor. all example copy from microsoft sites, http://msdn.microsoft.com/en-us/library/ms180152.aspx A. Using FETCH in… Continue reading
Posts in "oltp"
OLTP vs OLAP
In many Business Intelligence implementation cases, there’s a certain difficulty for IT Pro to explain or describe the difference between OLTP (OnLine Transactional Process) and OLAP (OnLine Analytical Process). I hope the table below might help a little. source: 360decisions