Keep It Simple Stupid
Some of us take days and weeks to write a blog, while others can take two minutes and write a great blog *cough* *cough* Denny (B|T). Why is that?...
2019-07-24
38 reads
Some of us take days and weeks to write a blog, while others can take two minutes and write a great blog *cough* *cough* Denny (B|T). Why is that?...
2019-07-24
38 reads
Recently I reviewed filtered indexes, this time let’s look at columnstore indexes. These indexes are very useful for data warehouse workloads and large tables. They can improve query performance...
2019-07-11 (first published: 2019-06-26)
1,280 reads
When you run a query twice, and get dramatically different run times, your first step can be to try to identify the differences in execution plans. For many that...
2019-07-05 (first published: 2019-06-19)
932 reads
In this post, we continue with another beginner’s blog of database features that may be unknown to many. Let’s take a look at filtered indexes. Many database administrators are...
2019-06-10 (first published: 2019-05-22)
772 reads
I give performance presentations at many different events to all levels of SQL Server professionals. Over time I’ve noticed that some DBAs and developers have never looked at the...
2019-05-29 (first published: 2019-05-15)
2,102 reads
Another quick post of simple changes you can make to your code to create more optimal execution plans. This one is on implicit conversions. An implicit conversion is when...
2019-04-29 (first published: 2019-04-17)
1,149 reads
I am very excited to announce I will be delivering a pre-conference session on SQL Server Performance Tuning on November 5th at PASS Summit 2019. If you have ever...
2019-04-24
89 reads
One of the easiest things to fix when performance tuning queries are Key Lookups or RID Lookups. The key lookup operator occurs when the query optimizer performs an index...
2019-04-17 (first published: 2019-04-03)
727 reads
March is Women’s History Month, to celebrate the PASS Women in Technology Virtual Group (@PASS_WIT) held a webcast featuring prominent...
2019-04-09 (first published: 2019-03-20)
1,037 reads
I’ve seen many people go through the trouble of setting up database mail and configuring SQL Agent Alerts only to...
2019-03-13
272 reads
By Zikato
A fugitive cyber-criminal, a wingsuit, and 24 million flight records. Somewhere between Doha and...
Say you need outside help. You’ve exhausted all the things that you could do...
I’m honored to announce that I’ve been renewed as a Microsoft MVP for the...
Comments posted to this topic are about the item Implicit Conversions Cripple SQL Server
Comments posted to this topic are about the item BIT_COUNT() III
Comments posted to this topic are about the item The Mythical Bus Accident
In SQL Server 2025, I run this code:
select bit_count(-1)What is returned? See possible answers