Stairway to Advanced T-SQL Level 10: Using Scalar Functions
Learn about scalar user defined functions in this next level in the Stairway.
2020-10-21 (first published: 2020-10-08)
3,615 reads
Scalar UDF
2020-05-28
664 reads
The Case for Scalar-valued, User-defined Functions in T-SQL
Did you know that scalar-valued, user-defined functions can be used in DEFAULT/CHECK CONSTRAINTs and computed columns? Learn about it...
2015-05-12
7,267 reads
Calculating the Number of Business Hours Passed Since a Point of Time
A set of user defined functions used to calculate the number of business or working hours (excluding the non working hours) that have passed since a certain point of time.
2011-09-21 (first published: 2007-11-20)
3,154 reads
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Question of the Day
UNISTR Escape
In SQL Server 2025, I run this command:
SELECT UNISTR('*3041*308A*304C\3068 and good night', '*') as "A Classic";
What is returned? (assume the database has an appropriate collation)
A: 
B: 
C: 
See possible answers