This is a very common concept that truncate cannot be rolled back. Let us learn in today’s blog post that Rollback TRUNCATE is possible.
SQL SERVER – Performance Comparison – INSERT TOP (N) INTO Table – Using Top with INSERT
Recently I wrote about SQL SERVER – INSERT TOP (N) INTO Table – Using Top with INSERT I mentioned about how TOP works with INSERT. I have mentioned that I will write about the performance in next article. Here is the performance comparison of the two options.
SQLAuthority News – Excellent Event – TechEd Sri Lanka – Feb 8, 2010
TechEd Sri Lanka was held at Waters Edge, Colombo between Feb 8 and Feb 10, 2010. It was one of the largest successful technical event in Sri Lanka. I was extremely surprised to how technically sound this event was and how excited the TechEd attendees were. I presented there on…
Read MoreSQL SERVER – Data and Page Compressions – Data Storage and IO Improvement
The performance of SQL Server is primarily decided by the disk I/O efficiency. Improving I/O definitely improves the performance. SQL Server 2008 introduced Data and Backup compression features to improve the disk I/O. Here, I will explain Data compression. Data compression implies the reduction in the disk space reserved by…
Read MoreSQLAuthority News – Hyderabad Techies February Fever Feb 11, 2010 – Indexing for Performance
I recently presented in Hyderabad User Group on the subject of The Other Side of SQL Server Index: Advanced Solutions to Ancient Problem , you can read more about this event here SQLAuthority News – MUGH – Microsoft User Group Hyderabad – Feb 2, 2010 Session Review. I really had…
Read MoreSQL SERVER – INSERT TOP (N) INTO Table – Using Top with INSERT
During my recent training at one of the clients, I was asked regarding the enhancement in TOP clause. When I demonstrated my script regarding how TOP works along with INSERT, one of the attendees suggested that I should also write about this script on my blog. Let me share this…
Read MoreSQLAuthority News – Keeping Your Ducks in a Row
Last year during my visit to SQLAuthority News – SQL PASS Summit, Seattle 2009 – Day 2 I have received ducks from the event. Well during the same event I had learned from Jonathan Kehayias the saying of ‘Keeping Your Ducks in a Row‘. The most popular theory suggests that…
Read MoreSQLAuthority News – MUGH – Microsoft User Group Hyderabad – Feb 2, 2010 Session Review
Earlier this month, I was very fortunate to visit Microsoft User Group Hyderabad lead by Hima Vindu Vejella. Hima is a very enthusiastic leader and kind person. I had a wonderful time meeting her as well her husband during my visit to Hyderabad. I had presented session on Index, which…
Read MoreSQL SERVER – Introduction to Rollup Clause
In this article we will go over basic understanding of Rollup clause in SQL Server. ROLLUP clause is used to do aggregate operation on multiple levels in hierarchy. Let us understand how it works by using an example.
Data Mining Algorithms (Analysis Services – Data Mining)
I quite often receive requests for the Data Mining Algorithms details. Book Online has wonderful resources for the same. I suggest to read them here.