October Energy Update
A recap of the world of energy from the previous two months. Steve looks at solar, wind, nuclear, and more.
SQL Server Integration Services Automation
After completing a project with SQL Server 2005 Integration Services, author G Vijayakumar brings us his technique for an automated scheduling of various source data into a data warehouse with multiple packages.
Service Broker Advanced Basics Workbench
SQL Service Broker, an asynchronous queuing and messaging system for SQL Server 2005, is set to change the way we design and run distributed applications. Adam Machanic once more makes it all seem so easy in Part 2 of his epic series
SQL Server 2005 Express Edition - Part 9 - Managing User Instances
SQL Server 2005 Express Edition's unique functionality allows you to distribute and implement single-user databases, without the dependency of having administrative privileges or the need for a cumbersome configuration. This article illustrates the practical use of this feature, known as XCopy deployment.
Microsoft BI Certifications or Why SQL is a 4-Letter Word
A look at the BI certification experience of a senior consultant and developer. New author
Mining or Profiling
The more data you have, the better you should be able to predict something. Or at least that's one of the things that I learned while studying economics. If we could actually gather enough data about someone or some system, we could determine what the most likely outputs of the system will be. In the […]
Aggregating Correlated Sub-Queries
Every now and then you may attempt to calculate an aggregate function -- such as SUM() -- on a correlated subquery, only to encounter the following error:
Output Parameters
Regular columnist Robert Marda writes about the basics of using output parameters. If you're not using output params we hope this article will get you started - they are a great way to return less data to the client, perfect if you need only a few values and not a recordset/resultset.
What's Fair
If you read my recent editorial called Get Some Help, you realize that I didn't get any World Series tickets from the sale on the Colorado Rockie's web site. Not to berate the subject, but some friends and I had an interesting debate on how the situation was handled and what could be done differently.
Data is at the Heart of Enterprise-Wide BI and DW, Part 3
My online series of articles has been focused on the need for businesses to "get serious" about their approach to developing an enterprise business intelligence (BI) and data warehousing (DW) capability. When pursuing this capability it is important to adopt a holistic view, followed by disciplined investment and execution.
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...
Alamat Kontak Resmi BCA KCP Kertajaya ??/Wa 08218154393
WA:08218154393 Jl. Kertajaya No.35, Airlangga, Kec. Gubeng, Surabaya, Jawa Timur 60281
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...
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