PowerPivot
A new direction in BI, with a new flagship interface for Business Intelligence from Microsoft. Steve Jones talks a little about the back story he heard from Microsoft.
PowerPivot
A new direction in BI, with a new flagship interface for Business Intelligence from Microsoft. Steve Jones talks a little about the back story he heard from Microsoft.
SQL Server Integration Services (SSIS) - Design Best Practices
In the previous tips (SQL Server Integration Services (SSIS) - Best Practices - Part 1, Part 2 and Part 3) of this series I briefly talked about SSIS and few of the best practices to consider while designing SSIS packages. Continuing on this path I am going to discuss some more best practices of SSIS package design, how you can use lookup transformations and what considerations you need to take, the impact of implicit type cast in SSIS, changes in SSIS 2008 internal system tables and stored procedures and finally some general guidelines.
TSQL Challenge 19 - Working with consolidated calculations on hierarchical structures
This challenge involves generating an organizational hierarchy and calculating the total orders created by each employee and his/her subordinates. It involves a number of challenges such as generating a resultset in the correct hierarchical form, calculating the orders created by each employee and his/her subordinates and finally calculating the total orders created by self and all the subordinates.
What SQL Statements Are Currently Executing?
This article describes a utility that allows you to identify what SQL statements are currently executing.
Comparing cursor vs. WHILE loop performance in SQL Server 2008
There are situations in which you need to individually handle each row in a result set. SQL Server 2008 provides a minimal set of tools — cursors and WHILE loops — to accomplish this task. I'll take a closer look at each option and explain why it's difficult to pinpoint which is better in terms of performance.
Fundamentals of Storage Systems – Disk Controllers, Host Bus Adapters, and Interfaces
We have covered the Hard Disk and the System Bus. This time around we will cover disk controllers and host...
SQL Azure with ASP Dot Net
Don Schlichting demonstrates the development of a SQL Azure ASP Dot Net application, leveraging our existing TSQL and Dot Net skills.
Get Out of Your Comfort Zone!
A guest editorial from Andy Warren today looks to inspire you with a few thoughts about how you might force yourself to grow a little next year.
SSIS Package Credentials
What do you do when you run an SSIS package and it works, but it fails when scheduled? You might have a credential problem. Robert Pearl brings us a solution to a cryptic message that prevents you from scheduling a package.
Blogs
AI Helps Me with My Sloppiness
By Steve Jones
I type fairly well. Well, I type fast, but I do wear out a...
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...
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