2025-09-29
673 reads
T-SQL
2025-09-19
1,696 reads
Revisiting SQL Server Window Functions- A Practical Walkthrough
A look at window functions in SQL and how they can be used to query data without the restrictions of a GROUP BY.
2025-09-12
6,648 reads
How to Increase SQL Server Column Width Without IO (Input/Output) Overhead
This article dives into a fun (and interesting!) strategy for widening fixed-width columns in SQL Server, to reduce downtime, risk, and runtime at the time when a column’s data type needs to be changed.
2025-09-12
2025-09-12
1,669 reads
2025-09-10
1,900 reads
2025-09-03
1,922 reads
Picking the ON or WHERE Clause for the SQL Predicate
Helping people solve T-SQL problems is one of my favorite hobbies. Someone messaged me the other day with a complex query that was almost complete except for one issue. He needed to perform a LEFT OUTER JOIN but had to filter based on a value from the right table. However, when he added the filter, SQL removed rows from the left table. The task was to decide where to place the SQL predicate: in the ON or WHERE clause.
2025-09-01
From Rows to Pages: The Hidden Chaos Behind SQL Server’s Sampling Methods
Learn about the TABLESAMPLE option in T-SQL and uncover some of the pitfalls of assuming this works as you think it does.
2025-08-22
2,115 reads
2025-08-20
488 reads
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T-SQL in SQL Server 2025: The || Operator
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Your Value from a Conference
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UNISTR Basics
Comments posted to this topic are about the item UNISTR Basics
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