Recently, I came across a problem where the client reported severe performance degradation of their OLAP system. Most of the reports that were running were either timing out or were returning data after a long time. The problem started right after the client had undergone an upgrade, that included the following, Software change, that includes […]
As a DBA it is important to have a toolbox that supports the work you do. You need to have a toolbox that allows you to work smarter instead of harder. Read on to learn about some key tools every DBA should have in their toolbox!
Phil Factor explores and discusses the current state of the art in SQL Formatting, as done automatically by SQL Prompt.
At work in IT, we can wander around looking important with no apparent useful skills whatsoever. When working outside the bubble of the industry, things are different.
Learning a new skill is always helpful, especially for backup and restore. Steve Jones talks about an idea from the SQLCAT team.
In this tip we look at how to analyze textual data to gain insight from freeform text using Azure Text Analytics and Power BI.
You want to use SQL Compare or SQL Change Automation (SCA) to create or update a database, and at the same time ensure that its data is as you expect. You want to avoid running any additional PowerShell scripting every time you do it, and you want to keep everything in source control, including the data. You just want to keep everything simple. Phil Factor demonstrates how it's done, by generating MERGE scripts from a stored procedure.
Learn how you can query information in the logical server's master database from an Azure SQL Database.
Giorgi Abashidze explains how his team use SQL Compare Command line to automate database deployments for their customers, without having access to the real staging or production databases, merely by using our development database contained under TFS Source Control.
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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