TSQL Challenge 25 - Appointments and Recurring Schedules
The task is to look at the appointments and the recurrence of schedules to come up with a list of meetings for a given period.
Using Database Transactions across multiple SSIS Tasks
If you experiment at all with transactions that are built into SSIS you will discover that they are highly flawed. ...
SQL Server 2008 T-SQL Enhancements Part - I
SQL Server 2008 has a number of enhancements over 2005 that make it a more capable platform. New author Arshad Ali brings us an overview and some code about a few T-SQL changes.
SQLSaturday Bloopers
Traveling to Charlotte, NC for SQL Saturday #33, Steve Jones takes a break from writing with a short piece, and quite a few mistakes from this year.
Implementing User-Defined Hierarchies in SQL Server Analysis Services
To be able to drill into multidimensional cube data at several levels, you must implement all of the hierarchies on the database dimensions. Then you'll create the attribute relationships necessary to optimize performance. Analysis Services hierarchies offer plenty of possibilities for displaying the data that your business requires. Rob Sheldon continues his series on SQL Server Analysis Services 2008.
Mnesia: A Distributed DBMS Rooted in Concurrency
Find out what makes Mnesia, the Erlang-based database management system, perfect for distribution across a network of computers.
Should DBAs be Paid Overtime?
For the past several weeks, I have been running a poll on www.bradmcgehee.com, asking visitors if they thought that DBAs...
A Cheap Fix?
Does it make sense to set up another instance of SQL Server just for a power user? Is it a good use of resources? Steve Jones comments today on this DBA tool for enhancing performance.
Calculating Moving Averages with T-SQL
How to efficiently calculate moving averages with SQL Server using Stock Market data.
Multiplatform ODBC support for SQLServer
The Microsoft SQL Server Connectivity team has a survey on the need for ODBC support for other platforms. If you use SQL Server from other platforms, let them know.
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