Get backup folder sizes from shared Location

Got a message from the Operation team as below Hi Harsha, I'm seeing a larger than normal rate of change for a week day on the backups for the SQL2000 servers. Did anything run differently yesterday compared to Monday? I have 22 sql servers and all the Weekend and Monthly backups goes to the location […]

Trusting STRING_SPLIT() order in Azure SQL Database

Learn about the changes to the STRING_SPLIT function in Azure SQL Database that allows you to specify ordinal position of the output.

SQL Server Data Masking: a comparison with Gallium Data

Introduction In SQL Server 2016, Microsoft introduced a new feature called dynamic data masking, which allows you to mask the values of certain columns and keep that data hidden from certain users, without having to modify your applications. Let's take a look at how SQL Server does data masking, and compare it to the way Gallium Data […]

Creating Markdown Formatted Text for Results from T-SQL

Markdown documents are becoming increasingly more popular and relevant with the emergence of notebooks. Markdown is a markup language for creating formatted text. It is widely used in tools for collaboration, tools for creating documentation and notebooks. Formatting is easy to understand, readable, simple to adopt, and agnostic. I can use a markdown document on […]

A Funny Substring NULL

Handling an unknown number of parameters in SQL Server

In this article we compare performance differences when splitting comma separated strings using TVPs, TVFs, openjson, string_split and more.

Operator Precedence

A Simple Error

Model and Log Trend Reversals for Time Series Data in SQL Server

This tip demonstrates models for detecting the start of periods of rising or falling financial securities prices based on exponential moving averages. The demonstration is simplified because it relies on a log to keep track of time series values as well as exponential moving averages with different period lengths.

Concatenating Dynamic SQL