Performance Tuning is quite interesting and Index plays a vital role in it. A proper index can improve the performance and a bad index can hamper the performance. Here is the script from my script bank, which I use to identify unused indexes on any database. Let us see script for unused index.
SQL SERVER – Missing Index Script – Download
Performance Tuning is quite interesting and Index plays a vital role in it. A proper index can improve the performance and a bad index can hamper the performance. In this blog post we will discuss about Missing Index.
SQL SERVER – Reduce the Virtual Log Files (VLFs) from LDF file
Earlier, I wrote a quite note on SQL SERVER – Detect Virtual Log Files (VLF) in LDF. Because of this I got responses suggesting too many VLFs are bad for log file. This prompts to a simple question: “How many is ‘too many’ VLFs?” I suggest that you go and read…
Read MoreSQLAuthority News – Resolution for New Year 2011
Today is the first day of the year so I want to write something very light. Last Year: 2010 Last Year was a blast; really traveled a lot. My family and I went on vacation. There I enjoyed being father, rolling on the floor and playing with my daughter. Here…
Read MoreSQLAuthority News – Community Service and Public Speaking Engagements
Today is the last day of the year and I was going over my memories for year 2010. Almost all of them are good and I feel for sure better person in terms of knowledge, nature and overall human being. Looking back at the year, it is very satisfying as…
Read MoreSQL SERVER – Detect Virtual Log Files (VLF) in LDF
In one of the recent training engagements, I was asked if it true that there are multiple small log files in the large log file (LDF). I found this question very interesting as the answer is yes. Multiple small Virtual Log Files commonly known as VLFs together make an LDF file.…
Read MoreSQLAuthority News – My Evaluation of Singapore SharePoint Conference
Earlier this year, I presented at SQLAuthority News – Presenting at South East Asia SharePoint Conference – Oct 26, 27, 2010 – Singapore. It was an unforgettable experience to present at Singapore SharePoint Conference as I was the only SQL Speaker at the event. The event was filled with SharePoint enthusiasts and…
Read MoreSQL SERVER – Plan Cache and Data Cache in Memory
I get following question almost all the time when I go for consultations or training. I often end up providing the scripts to my clients and attendees. Instead of writing new blog post, today in this single blog post, I am going to cover both the script and going to…
Read MoreSQL SERVER – ORDER BY ColumnName vs ORDER BY ColumnNumber
I strongly favor ORDER BY ColumnName. I read one of the blog post where blogger compared the performance of the two SELECT statement and come to conclusion that ColumnNumber has no harm to use it. Let us understand the point made by first that there is no performance difference. Run…
Read MoreSQL SERVER – Server Side Paging in SQL Server Denali – Part2
The best part of the having blog is that SQL Community helps to keep it running with new ideas. Earlier I wrote about SQL SERVER – Server Side Paging in SQL Server Denali – A Better Alternative. A very popular article on that subject. I had used variables for “number…
Read More