2023-11-27
6,275 reads
Articles
Time Series Data Mining Example with T-SQL when Adding New Data
Learn about working with time series data using T-SQL code and how to add additional data to the data set for more in-depth data mining.
2023-11-27
Comparing Two Execution Plans
This is a short look at a technique that I discovered recently in Management Studio (SSMS). The technique is to compare two graphical execution plans in the tool to understand what they are doing and how two different queries might affect a particular system, both with the image and with the properties' data behind the […]
2023-11-24 (first published: 2021-03-30)
11,067 reads
Black Friday returns to SQLServerFast
November approaches again. For Europeans, that is a month like any other, for Americans, November means: Black Friday, with huge discounts!
2023-11-24
Unpivoting Multiple Sets of Columns in SQL Server using CROSS APPLY
Learn how to unpivot data or sets of data with SQL Server queries using CROSS APPLY.
2023-11-24
Advanced SQL Server installation using Powershell DSC
Introduction In the previous article, we learned how to install a SQL Server instance with basic parameters like InstanceName, Features, SourcePath, SQLSysAdminAccounts, etc using Powershell DSC. In this article, we'll discover how to enhance our SQL Server installation with additional configurations. We'll cover things like setting up service account credentials, custom installation directories, configuring TempDB […]
2023-11-22
5,720 reads
Azure DocumentDB: Working with Microsoft's NoSQL Database in the Cloud
Coding for the new NoSQL JSON database service that supports SQL queries.
2023-11-22
T-SQL Fundamentals: Controlling Duplicates
When people start learning a new field, for example T-SQL, it’s tempting to spend very little time trying to understand the fundamentals of the field so that you can quickly get to the advanced parts.
2023-11-22
2023-11-20 (first published: 2023-10-02)
3,021 reads
SQL Window Functions Series: RANK() and DENSE_RANK()
Welcome to the fascinating world of SQL window functions! Today, we'll explore in detail: RANK() and DENSE_RANK().
2023-11-20 (first published: 2023-11-15)
16,129 reads
Blogs
KDA: Echoes of Deception - Case 7
By Zikato
A fugitive cyber-criminal, a wingsuit, and 24 million flight records. Somewhere between Doha and...
Do This Before You Contact Your SQL Server Consultant
Say you need outside help. You’ve exhausted all the things that you could do...
Microsoft MVP 2026: Ten Years on the Data Platform
I’m honored to announce that I’ve been renewed as a Microsoft MVP for the...
Forums
Implicit Conversions Cripple SQL Server
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BIT_COUNT() III
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The Mythical Bus Accident
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Question of the Day
BIT_COUNT() III
In SQL Server 2025, I run this code:
select bit_count(-1)What is returned? See possible answers