Caution about Restoring via SSMS v17
A default value has changed in the SSMS v7 restore wizard, and the consequences can be severe.
How Big is Your Transaction Log?
If you are not managing the transaction log space used by a database, the transaction log might grow uncontrollably. With SQL Server 2017 there is a new dynamic management function (DMF) that exposes statistical information about a database transaction log. One of the things you can do with the information returned from this DMF is to determine how full a database transaction log file is.
Explaining Our Professions to Our Parents
Have you ever had a difficult time explaining what your job entails to your parents or other family members? You may be working in a field that didn’t exist 20 years ago, such as mobile device development, or your job may be so specialized that non-technical people will never understand. Now that my job title […]
Azure and Windows PowerShell: Using VM Extensions
In the third part of his series, Nicolas Prigent describes how to run post-deployment configuration and automation tasks on Azure Virtual Machines. Nicolas explains how to use Azure VM Extensions using the Azure PowerShell module to save time during the provisioning process.
5th annual “Seattle Freecon”
On Monday, November 5th, 2018, the 5th annual “Seattle Freecon” (a FreeCon in Seattle for those that might not be attending a pre-con before the PASS Summit) will be held. Put on by Jason Brimhall and Wayne Sheffield, there’s a set of 6 sessions you can attend for free that day. That’s right, absolutely FREE.
Index Tuning Week: How Many Indexes Are Too Many?
When you're not sure, start by aiming for 5 or less indexes per table, with 5 or less fields each.
Embrace Stored Procedures
Developers working with SQL Server should learn to embrace stored procedures. They really, really do work well.
HIPAA and Database Administration – Part 2
HIPAA was signed into law in the United States in 1996. In this article, Robert Sheldon discusses how the act affects the day-to-day responsibilities of database administrators.
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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...
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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