SQL Server 2012: Installing Data Quality Services
Greg Larsen shows you how to install Data Quality Services and the companion client tool called Data Quality Client for SQL Server 2012.
Tracking Database File AutoGrowth with Event Notifications
As discussed in my previous Getting Started with SQL Server Event Notifications article, SQL Server Event Notifications allow us to capture and handle events that occur inside the SQL Server database engine. Event Notifications execute for DDL Events and Trace Events and we can use to capture information about the event that fired, and automate […]
Unprotected Queries
There are over half a million database servers out on the Internet without protection. How can this happen?
Free eBook: SQL Server Hardware
A free eBook from SQLServerCentral and Red Gate software can help you learn about the best hardware for your SQL Server instances.
Using SQL Server Concatenation Efficiently
This article shares some tips on using concatenation efficiently for application development, pointing out some things that we must consider and look at when concatenating values or fields in our queries or stored procedures.
Stairway to XML: Level 8 - Deleting Data from an XML Instance
in order to use the modify() method to delete data from typed and untyped XML instances, you must pass an XML DML expression as an argument to the method. That expression must include the delete keyword, along with an XQuery expression that defines the XML component to be deleted. Robert makes it seem simple, as usual.
Working Your 40
Will the 40 hour work week change anytime soon? A survey seems to think so, and Steve Jones (somewhat) agrees.
SSIS Basics: Using the Execute SQL Task to Generate Result Sets
The Execute SQL Task of SSIS is extraordinarily useful, but it can cause a lot of difficulty for developers learning SSIS, or only using it occasionally. What it needed, we felt, was a clear step-by-step guide that showed the basics of how to use it effectively. Annette Allen has once again cleared the fog of confusion.
Last chance for a day of free SQL Server training at SQL in the City 2012
SQL Server developers and database administrators have one last chance for a full day of free training and networking at SQL in the City 2012.
Blogs
Automatic Index Compaction
By ReviewMyDB
Index maintenance has always meant nightly jobs and a window you have to defend....
The Goldilocks problem – Materialized Views
I’m sure you’ve all heard the tale of Goldilocks and the Three Bears, but...
Monday Monitor Tips: Virtual Machine Usage and Cost
By Steve Jones
One of the things I’ve been requesting for a number of years is cost...
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...
How We Handled a Vendor Retry That Loaded Twice in Snowflake
Comments posted to this topic are about the item How We Handled a Vendor...
Cognitive Coverage
Comments posted to this topic are about the item Cognitive Coverage
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