An Alternative to SELECT COUNT(*) for Better Performance
Sometimes rapid code development doesn't always produce the most efficient code. Take the age old line of code SELECT COUNT(*)...
2013-05-07
5,283 reads
Patrick
- Twitter: @patrickkeisler
- Website: https://www.patrickkeisler.com
- LinkedIn: https://www.linkedin.com/in/patrickkeisler/
Merging SQL Server and Softball Just for Fun
With opening day of Major League Baseball season finally here, I thought I’d take the time to cover two of...
2013-04-02
1,279 reads
Use Powershell to Pick Up what Database Mirroring Leaves Behind
Database mirroring has been around since SQL Server 2005, and it's turned out to be an excellent step up from...
2013-03-26
2,448 reads
T-SQL Tuesday #40 - Proportional Fill within a Filegroup
T-SQL Tuesday #40 is underway, and this month's host is Jennifer McCown (blog|twitter). The topic is about File and Filegroup...
2013-03-15 (first published: 2013-03-12)
2,889 reads
Dealing with a Fragmented Heap
Just for the record, this happens to be one of my favorite interview questions to ask candidates.
At some point in...
2013-03-05
2,330 reads
The Performance Impact to Prefix Stored Procedures with sp_
Last week I ran across a blog post by Axel Achten (B|T) that outlined a few reasons why you should...
2013-02-19
1,457 reads
What is DBCC SHOW_STATISTICS Telling Me About My Data?
Per Books Online, DBCC SHOW_STATISTICS displays current query optimization statistics for a table or indexed view. Basically it shows you...
2013-02-14 (first published: 2013-02-05)
5,473 reads
T-SQL Tuesday - Use Powershell to Restore a Database on a Different Server
T-SQL Tuesday - This month's party is hosted by Wayne Sheffield (blog|twitter), and the topic is about Powershell and how to use...
2013-02-12
8,150 reads
How to Remove (Undo) Table Partitioning
I have seen plenty of articles and blog posts out there for how to setup and implement table partitioning, but...
2013-02-04 (first published: 2013-01-29)
8,697 reads
sp_PerformanceCounters - Get a Health Check of SQL Server's Performance
During your career as a DBA, you'll run across articles by SQL experts or other DBAs that just give you...
2013-01-22
1,345 reads
Blogs
Who’s the Winningest Coach (with AI Help)
By Steve Jones
I was listening to the radio the other day and the hosts were discussing...
Learning from Mistakes: T-SQL Tuesday #194
By Steve Jones
We’re a week late, once again my fault. I was still coming out of...
Stupid Things I Did With AI: ASCII Art
By Steve Jones
I ran across this article recently (https://www.gatesnotes.com/meet-bill/source-code/reader/microsoft-original-source-code) and it has a great opening piece...
Forums
Basic Always On Groups Randomly Stop Synchronizing
In one of my environments I have 3 pairs of Always On SQL 2022...
Learning From Breakage
Comments posted to this topic are about the item Learning From Breakage
Python in Action to Auto-Generate an Optimized PostgreSQL Index Strategy
Comments posted to this topic are about the item Python in Action to Auto-Generate...
Question of the Day
Adding and Dropping Columns I
I have this table in my SQL Server 2022 database:
CREATE TABLE [dbo].[CityList] ( [CityNameID] [int] NOT NULL IDENTITY(1, 1), [CityName] [varchar] (30) COLLATE SQL_Latin1_General_CP1_CI_AS NULL ) ON [PRIMARY] GOI decide to add two new columns for the StateProvince and Country. What code should I use? See possible answers