Articles

External Article

Building a Dynamic Countdown Timer in Power BI

A countdown timer can be a powerful visual tool in many Business Intelligence reporting scenarios. This could be for marketing campaigns, contract expiries, and business deals with clients. Real-time countdown visuals are not natively supported in Power BI. Although, there is the Count Down Timer custom visual, which is not dynamic in its configuration.

2025-09-29

External Article

Side by Side Upgrade to SQL Server 2022

As a SQL Server DBA, the migration of SQL Server from an existing version to the latest version is a usual activity. In today’s cloud-oriented world, many organizations still prefer an on-prem environment; my organization is one of them. There are multiple reasons to keep your data on-prem, like having more privacy and control of the environment. Currently, our major project is to migrate our existing Microsoft SQL Server 2019 to SQL Server 2022. Recently, we completed the POC. Today, let’s discuss the steps of the SQL Server 2022 installation and migration of our databases.

2025-09-24

External Article

Getting Started with Bayesian Modeling

Multivariate analysis in data science is a type of analysis that tackles multiple input/predictor and output/predicted variables. This tip explores the problem of predicting air pollution measured in particulate matter (PM) concentration based on ambient temperature, humidity, and pressure using a Bayesian Model.

2025-09-19

External Article

How to Measure Replication Latency in SQL Server AlwaysOn Synchronous Availability Groups

Synchronous replicas in SQL Server Availability Groups promise no data loss, but they don’t promise zero delay; under heavy load they can still fall behind. This article shows how to measure and track that hidden replication delay using SQL Server performance counters, so you can see how well your system keeps up during IO‑intensive operations and plan maintenance more safely.

2025-09-17

Blogs

T-SQL Tuesday #202 SQL Server Outage You’ll Never Forget: A Roundup

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When I put together the invitation for T-SQL Tuesday #202, I wasn't sure what...

A Last Minute Trip to the EU

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Part 3 of 3: Tuning DiskANN — R, Alpha, L, Beam Width, Recall and Latency

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Server-Level Table sizes

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ORDER BY alias

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Optional Parameter Plan Optimization in SQL Server 2025: Fixing the Kitchen-Sink Search Procedure

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Question of the Day

ORDER BY alias

There is a table tmp_tab:

CREATE TABLE tmp_tab (
id int,
val int
);
INSERT INTO tmp_tab VALUES
(1, 1),
(2, NULL),
(3, 3),
(4, 4),
(5, 5);
You want to order the rows ids by the following expression:
    ISNULL(val, id) + 1
Which of the following queries produces the expected ordering and why? (Select all correct)

See possible answers