We’ve all heard about Extended Events and how they can help troubleshoot SQL Server performance, connectivity, and locking problems, but they seem so difficult to implement using T-SQL. Isn’t there a better way to implement SQL Server Extended Events?
2012-07-25
3,142 reads
On Thursday July 26th 12PM noon Central, Ami Levin will revisit some of the fundamental principles of relational databases – normalization rules, key selection and some controversies surrounding these rules.
2012-07-25
1,559 reads
This article demonstrated the steps which you must follow to gracefully truncate the publisher database transaction log file by resetting replication.
2012-07-24
11,678 reads
Wednesday July 25 2012, 6:00pm BST: Learn how you can use SQL Monitor to gather information and alert on extra performance data for your servers and applications, making this tool vital for keeping an eye on your business. In this free webinar David Bick, Product Manager at Red Gate, will give you an overview of SQL Monitor including the new custom metric functionality in v3.
2012-07-24 (first published: 2012-07-06)
4,981 reads
When SQL Server 2008 was released the Microsoft product group came out with a new feature called "Change Data Capture" that allows you to track the changes that occur to a table. Greg Larsen gives you a primer of how to implement change data capture and how to review the captured information to produce an audit trail of the changes to a database table.
2012-07-24
2,689 reads
BBQ and SQL Server. Come to a free day of training in Kansas City on Aug 4.
2012-07-24
1,479 reads
Part 3 of a great series on the basics of indexes. Learn the structure, definition, and how to examine the use of these indexes in your queries.
2012-07-23 (first published: 2009-11-18)
53,466 reads
Alex Kuznetsov's team of developers are geared to doing rapid development of database applications in a busy corporate setting, yet take considerable time over meticulous database design, extensive constraints, automated tests, error logs, and defensive coding. Why? Because it cuts down on the subsequent need for maintenance.
2012-07-23
3,977 reads
Baton Rouge, LA. LSU. Free Training. Come visit, learn a few things, and enjoy meeting other SQL Server pros.
2012-07-23
1,167 reads
Find the country, region and city of a user from an IP address using SQL Server. Oscar Garcia provides some code and resources if you want to dig into your analytics on your own.
2012-07-20 (first published: 2009-07-09)
55,326 reads
By ReviewMyDB
Index maintenance has always meant nightly jobs and a window you have to defend....
I’m sure you’ve all heard the tale of Goldilocks and the Three Bears, but...
By Steve Jones
One of the things I’ve been requesting for a number of years is cost...
Comments posted to this topic are about the item SQL Art, Part 4: Happy...
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Comments posted to this topic are about the item How We Handled a Vendor...
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