Let the optimizer drive
For many, there is something disconcerting in the idea of the Query Optimizer; they crave control, but it really is best to take a back seat and let the Optimizer do its job.
TSQL Challenge 49 - Identify overlapping time sheet entries of field t
Several technicians are sent to a customer premises to do a certain maintenance work. Your task is to process the activity log entered by each technician and identify overlaps.
A Full Backup can Impact a Log Backup–MCM Prep
In the early days of SQL Server you could not run a log backup while a full backup was running....
Importing and Exporting SSIS Packages Using PowerShell
SQL Server PowerShell Extensions (SQLPSX) includes a set of function for working with SSIS which among other things allow you...
SQL Server Migration Assistant 2008 (SSMA)
One of my client’s requirements is to migrate and consolidate his company departments’ databases to SQL Server 2008. As I know the environment, they are using MySQL , MS-Access and SQL Server with different applications. Now the company has decided to have a single dedicated SQL Server 2008 database server to host all the applications. So there are a few things to do to upgrade and migrate from MySQL and MS-Access to SQL Server 2008. For the migration task, I found the SQL Server Migration Assistant 2008 (SSMA 2008) is very useful which reduces the effort and risk of migration. So in this tip, I will do an overview of SSMA 2008.
Toys V. Tools
What's a toy and what's a tool? This Friday, a guest editorial from Jason Brimhall asks what in technology might be considered a toy or a tool, or perhaps, both.
Microsoft SQL Server Licensing For Dummies..
Don’t let the above title fool you! Have you been confused on the Microsoft SQL Server Licensing requirements? Per Processor, Per CAL, Per Core, Per Socket, Per Node – Per haps (space intended :-), we should revisit the issue again, and try to offer some assistance as you go forward in making your purchasing decisions.
Microsoft Support Policies for Windows Server and SQL Server
Microsoft provides ten years of support (five years Mainstream Support and five years Extended Support) at the supported service pack...
RegEx-Based Finding and Replacing of Text in SSMS
So often, one sees developers doing repetitive coding in SQL Server Management Studio or Visual Studio that could be made much quicker and easier by using the Regular-Expression-based Find/Replace functionality. It is understandable, since the syntax is odd and some features are missing, but it is still worth knowing about.
SQL Saturday #72 - Hawaii
A free day of training in paradise. Come to SQL Saturday in the islands on Apr 1, 2011.
Blogs
AI Helps Me with My Sloppiness
By Steve Jones
I type fairly well. Well, I type fast, but I do wear out a...
WITH clause gets a 26ai boost!
By way of background, a while back I did video called “My New Favourite...
Automatic Index Compaction
By ReviewMyDB
Index maintenance has always meant nightly jobs and a window you have to defend....
Forums
SQL Art, Part 4: Happy 4th of July — A British DBA's Guide to Celebrating a War We Don't Talk About
Comments posted to this topic are about the item SQL Art, Part 4: Happy...
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WA:08218154393 Jalan Marsma R. Iswahyudi 05, Rukun Tetangga No.20, Sepinggan, Kecamatan Balikpapan Selatan, Kota...
Question of the Day
Getting the Average
I have this data in the dbo.Commission table in a SQL Server 2022 database.
salesperson commission Brian 12 Brian 16 Andy 7 Andy 14 Andy 21 Steve 20 Steve NULLAll the data is a varchar, and I decide to run this query to get the totals for each salesperson.
SELECT SalesPerson
, AVG(TRY_PARSE(Commission AS int)) AS TotalCommission
FROM commission
GROUP BY SalesPerson
GO
What average commission is calculated for Steve? See possible answers