Counting more efficiently
Nearly a decade ago, I wrote a post called “Bad habits : Counting rows the hard way.” In that post, I talked about how we can use SQL Server’s metadata to instantly retrieve the row count for a table.
2024-01-12
T-SQL
Dijkstra's Algorithm
Introduction This article celebrates a classic algorithm [1] of Dijkstra (1930 – 2002) which finds a path of minimal cost between any pair of nodes in an undirected graph. His procedure is widely recognized as a fundamental tool for examining communication and transportation networks (eg. Google Maps) and is surprisingly simple. By his own admission, […]
2024-01-05
8,468 reads
2024-01-03
384 reads
2024-01-01
405 reads
2023-12-27
483 reads
2023-12-21 (first published: 2023-12-20)
496 reads
2023-12-18
366 reads
Searching an Encrypted Column
This article examines the challenges with searches on encrypted data and presents a possible solution that you might use to speed up those queries.
2023-12-15
2,164 reads
2023-12-13
523 reads
SQL GROUP BY Alias - An Oracle feature that would be great in SQL Server
Learn about using an alias in the GROUP BY clause for complex SQL Server code instead of having to rewrite the code in the GROUP BY.
2023-12-13
Blogs
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Forums
The Microsoft SQL Year in Review
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T-SQL in SQL Server 2025: The || Operator
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Your Value from a Conference
Comments posted to this topic are about the item Your Value from a Conference
Question of the Day
UNISTR Basics
What does this code return in SQL Server 2025+? (assume the database has an appropriate collation)
SELECT UNISTR('Hello 4E16754C') AS 'A Classic';
A: 
B: 
See possible answers