Use Given-When-Then for readable database tests with known input, explicit THROW checks, and transaction rollback after each case.
SQL SERVER – STRING_AGG Function to Concatenate Strings
We were able to improve the performance of the query by using STRING_AGG Function to Concatenate Strings. Let us learn.
SQL SERVER 2022 – GENERATE_SERIES Function
Recognizing an opportunity for optimization, we replaced the original series generation logic in the stored procedure with the GENERATE_SERIES function.
SQL SERVER – Generating Complex Passwords with T-SQL
The client needed a robust method for generating complex passwords directly within their SQL Server database. Let us see today.
SQL SERVER – Setting up a Robust Password Policy
Today’s topic of Setting up a Password Policy often emerges during my Comprehensive Database Performance Health Check consultations.
Calculating Extended Internal Rate of Return (XIRR) in SQL Server with T-SQL
The Extended Internal Rate of Return (XIRR) is a metric to calculate the annualized rate of return for a series of irregularly timed flows.
Solving Quadratic Equations with T-SQL
I often find myself teaching mathematics to my daughter, and recently, she has been diving into the realm of Quadratic Equations.