CROSS APPLY Fundamentals: Part 1
Learn the basics of the CROSS APPLY operator with a few examples in this short piece.
2026-07-27
3,738 reads
Imran2629
Understanding SQL Server PARTITION BY with Examples
Introduction When developers first learn SQL aggregation, they usually start with the GROUP BY clause. It works well for summary reports because it combines multiple rows into a single result for each group. For example, you can calculate total sales per region or average salary per department. The limitation of GROUP BY appears when you […]
2026-06-05
4,079 reads
How to Calculate Distance Between Coordinates in SQL Server
Learn a quick way to calculate distances without resorting to spatial calculations.
2026-05-08
2,313 reads
T-SQL Trigonometric Functions in SQL Server
Introduction SQL Server includes several built-in mathematical functions that allow developers to perform complex calculations directly within queries. Among these are trigonometric functions such as SIN(), COS(), and TAN(), which are useful in scenarios involving engineering calculations, geographic data processing, simulations, and analytics. Although these functions are straightforward to use, developers occasionally encounter unexpected results […]
2026-04-29
2,395 reads
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Question of the Day
Escaping Strings
The STRING_ESCAPE() function requires 2 parameters in SQL Server 2025. The first is a string of text and the second is the type of escape rules being used. What are the options for the second parameter?
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