Search multiple SQL Server Error Logs at the same time
The code in this tip will show how to use two system stored procedures to identify all iterations of a given string in the available SQL Server error logs since a specific point in time.
Software in 2014
What's the state of software in 2014. After reading Tim Bray's analysis, Steve Jones presents his.
Calculating the Median Value within a Partitioned Set Using T-SQL
It is ironic that one of the most essential of statistical aggregations, the median, has been so difficult in the past to calculate efficiently in SQL. Dwain Camps sets the candidates to work and identifies the winners and losers.
Free Online Business Analytics Training for Those Who Love Data
Spend a day with top experts from the world of business analytics and business intelligence on Feb. 5 and learn how to get the most from your data in a series of 12 free, live training webcasts with on-demand replay.
Mastering Dimensions of Time
A method to create and populate Date and Time dimension tables for a data warehouse project.
Uncontrolled Code
Excel is used quite often to build software, or at least, it's worksheets and formulas simulate software. Steve Jones notes there are lots of problems with this practice.
Migrating SQL Server Databases to Windows Azure by Leveraging BACPAC Files
Marcin Policht shows you how to migrate on-premise data that is already cloud-compliant to Windows Azure SQL Databases by converting it into a BACPAC formatted file.
Redundant Redundancy
When DBAs too often find themselves trading sleep for Megabytes, it's time for a different approach to detection and alerting of disk space problems. So argues Rodney Landrum.
The PoSh DBA - Reading and Filtering Errors
DBAs regularly need to keep an eye on the error logs of all their SQL Servers, and the event logs of the host servers as well. When server numbers get large, the traditional Windows GUI approach breaks down, and the PoSH DBA reaches for a PowerShell script to do the leg-work.
Fun with Outer Joins
Learn how an outer join works and how you can use it in your applications to find the results you need when matching data isn't in all your tables.
Blogs
How AgentDBA Identifies Backup Failures
By Arun Sirpal
Every DBA has a box like this. Sitting untouched for months. Nobody’s proud of...
AI Helps Me with My Sloppiness
By Steve Jones
I type fairly well. Well, I type fast, but I do wear out a...
WITH clause gets a 26ai boost!
By way of background, a while back I did video called “My New Favourite...
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