2026-09-14
1,398 reads
Expressions
Using Regular Expressions With T-SQL: From Beginner To Advanced
Its possible to use some comparable expressions to a full regular expression library for matching certain patterns with T-SQL using the like operator. This tutorial uses these expressions for filtering price phrases involving alphabetic, numeric, and special characters
2018-06-14
4,713 reads
Questions about T-SQL Expressions You Were Too Shy to Ask
Nobody seems to ask questions about SQL Expressions in forums, even though expressions can cause all sorts of problems. It's time for some straight-forward Q&As, and who better than Robert Sheldon to give the A?
2014-08-27
12,876 reads
Blogs
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Forums
Optional Parameter Plan Optimization in SQL Server 2025: Fixing the Kitchen-Sink Search Procedure
Comments posted to this topic are about the item Optional Parameter Plan Optimization in...
AI Experience Gap that we keep talking about
Comments posted to this topic are about the item AI Experience Gap that we...
Question of the Day
ORDER BY alias
There is a table tmp_tab:
CREATE TABLE tmp_tab ( id int, val int );
INSERT INTO tmp_tab VALUES (1, 1), (2, NULL), (3, 3), (4, 4), (5, 5);You want to order the rows ids by the following expression:
ISNULL(val, id) + 1Which of the following queries produces the expected ordering and why? (Select all correct) See possible answers