Gail Shaw's SQL Server Howlers
For the latest in our series of SQL Server Howlers, we asked Gail Shaw which common SQL Server mistakes and misunderstandings lead to tearful DBAs and plaintive cries for help on the forums.
2012-09-10
3,694 reads
Additional Articles
SQLskills training goes online worldwide (and free in September!)
SQLskills is recording their knowledge in conjunction with Pluralsight for you to view from the time and place of your choosing. And it's free in September. Read more to find out how you can get access.
2012-09-10 (first published: 2012-09-05)
6,654 reads
Practical PowerShell for SQL Server Developers and DBAs – Part 2
Having shown just how useful PowerShell can be for DBAs in executing queries, Michael Sorens now takes us through navigating SQL Server space and finding meta-information - valuable information for anyone looking to be more productive in SQL Server.
2012-09-07
2,770 reads
How to Find Outdated Statistics in SQL Server 2008
How can I find out which statistics are outdated in my SQL Server database?
2012-09-06
3,505 reads
Upgrading SSIS Custom Components for SQL Server 2012
Having finally got around to upgrading my custom components to SQL Server 2012, I thought I’d share some notes on the process. One of the goals was minimal duplication, so the same code files are used to build the 2008 and 2012 components, I just have a separate project file.
2012-09-05
2,194 reads
SQL Server Data Type Precedence
I am executing a simple query/stored procedure from my application against a large table and it's taking a long time to execute. The column I'm using in my WHERE clause is indexed and it's very selective. The search column is not wrapped in a function so that's not the issue. What could be going wrong?
2012-09-04
2,480 reads
Cleaning Up SQL Server Deployment Scripts
Although, generally speaking, source control is the truth, a database doesn't quite conform to the ideal because the target schema can, for valid reasons, contain other conflicting truths that can't easily be captured in source control. Dave Ballantyne explains the problems and suggests a solution.
2012-09-03
1,904 reads
AlwaysOn Architecture Guide: Building a High Availability and Disaster Recovery Solution by Using AlwaysOn Availability Groups
SQL Server 2012 AlwaysOn Availability Groups provides a unified high availability and disaster recovery (HADR) solution that improves upon legacy functionality previously found across disparate features. Prior to SQL Server 2012, several customers used database mirroring to provide local high availability within a data center, and log shipping for disaster recovery across a remote data center. With SQL Server 2012, this common design pattern can be replaced with an architecture that uses availability groups for both high availability and disaster recovery. This paper details the key topology requirements of this specific design pattern, including quorum configuration considerations, steps required to build the environment, and a workflow that shows how to handle a disaster recovery event in the new topology.
2012-08-31
2,399 reads
Using nmap to scan for SQL Servers on a network
I need to try and find all SQL Servers, not just the ones in my domain. We know there are a couple of appliances that are potentially running SQL Server and we want to see them, too. What can I use to do this?
2012-08-30
2,882 reads
The Seven Sins against T-SQL Performance
There are seven common antipatterns in T-SQL coding that make code perform badly, and three good habits which will generally ensure that your code runs fast. If you learn nothing else from this list of great advice from Grant, just keep in mind that you should 'write for the optimizer'.
2012-08-29
7,758 reads
Blogs
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A New Word: Mauerbauertraurigkeit
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Methodology for dealing with bad data in production
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Question of the Day
BIT_COUNT() IV
In SQL Server 2025, I run this code:
select bit_count('A')
What is returned? See possible answers