Identify Unused Tables in SQL Server and Azure SQL
This article presents a way to discover those tables that are unused over a period of time, along with suggestions on how to get rid of these tables.
SQL Declare Variable Code Examples
This tutorial will discuss using variables with SQL DECLARE along with various examples.
Filtered Indexes: The Developer’s Secret Weapon in SQL Server
Learn about filtered indexes in SQL Server, how they work, and how they can help improve performance.
Is Data Modeling Common?
Today Steve tasks data modeling and wonders how many people still build and maintain models.
The Version Store Won’t Clear If ANY Database Has Open Transactions.
Short story: what the title says.
Personal Contact Is Vital
I'm writing this while in hiding at the PASS Data Community Summit that's taking place in Seattle this week. I just had a real surprise, finding out that DocumentDB is PostgreSQL under the covers and always has been. However, as much as I enjoy talking PostgreSQL, for the moment, I'll shut up about it. Instead, […]
UNLOGGED Tables in PostgreSQL: When Speed Matters More Than Durability
Learn about unlogged tables and how they work in PostgreSQL.
JSON Data Extract from SQL Server 2025
JSON is a complex data type used for representing objects with various properties. With JSON you follow the key-value pattern where the key is a string and the value can be of different data types. What are some common ways to work with JSON in SQL Server?
Blogs
AI Helps Me with My Sloppiness
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I type fairly well. Well, I type fast, but I do wear out a...
WITH clause gets a 26ai boost!
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Automatic Index Compaction
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Index maintenance has always meant nightly jobs and a window you have to defend....
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