Reading SQL Server's Transaction Log
This article shows how you can read the [RowLog Contents] in the Transaction Log, for Real!
What Do You Want from SQL in the City?
After the SQL in the City tour wrapped up this week in Seattle, Steve Jones looks back and asks a question. What type of training would be best for you.
Script to create dynamic PIVOT queries in SQL Server
Pivoting is a common reporting requirement - data is stored in columns and you need to present it in rows. This was a nice feature that was added to SQL Server, but you don't always know all of the values you need to pivot on. This tip looks at how you can dynamically create the pivot command to handle these unknown values.
More Than One Way to Skin a Cat
There are many ways to accomplish a task in SQL Server, and almost every technology. But too much choice might not be the best thing for beginners.
Partitioned Tables, Indexes and Execution Plans: a Cautionary Tale
Table partitioning is a blessing in that it makes large tables that have varying access patterns more scalable and manageable, but it is a mixed blessing. It is important to understand the down-side before using table partitioning.
Savvy Managers
Data quality is everyone's business and it takes some work. Steve Jones talks about some hints for you and your manager to make things better in your data systems.
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 […]
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
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SQL Server Still Wins
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DBCC CHECKDB Limits I
Comments posted to this topic are about the item DBCC CHECKDB Limits I
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