TSQL Challenge 46 - Remove leading occurrences of the first character
This challenge is a slightly enhanced version of the ‘remove leading zeros’ problem
2010-12-27
1,728 reads
Jacob Sebastian
TSQL Challenge 45 - Evaluate mathematical expressions presented using
This challenge involves evaluating mathematical expressions presented using Roman Numerals and return the result of each expression.
2010-12-13
1,683 reads
TSQL Challenge 44 – Identify products that belong to each unique color
The first part of your job is to identify the unique color combinations of products and the second part is to identify the products that have the given color combination.
2010-11-29
1,363 reads
TSQL Challenge 43 – Identifying incomplete segments and missing elemen
This challenge involves writing a logic to identify incomplete segments and missing elements in an electronic data integration file exchanged between two applications.
2010-11-16
859 reads
TSQL Challenge 42 – Transform rows to columns with dynamic positioning
This challenge involves writing a logic to change the column position of values in the output based on the presence and absence of other values on each output row.
2010-11-01
2,845 reads
TSQL Challenge 41 - Extract email addresses from text data
This challenge involves extracting email addresses from a table that contains text data downloaded from various websites.
2010-10-18
2,257 reads
TSQL Challenge 40 - Convert string representation of numeric values fr
This challenge involves converting numeric values from binary format to hexadecimal format.
2010-10-04
1,653 reads
TSQL LAB 2 - Writing Conditional WHERE Clauses
Jacob Sebastian takes a look at some different ways to write your WHERE clauses. A good basic article for those starting to work with T-SQL.
2010-07-30 (first published: 2008-02-27)
81,492 reads
XML Workshop 26 – SELECT * FROM XML
This article presents a generic function that makes it easy to query XML documents
2010-06-30
12,295 reads
XML Workshop 25 - Inserting elements and attributes to an XML document
This article from MVP Jacob Sebastian looks at the modify method for changing an XML document.
2010-03-18
10,297 reads
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Question of the Day
How Long is a Long I/O?
In SQL Server 2025, a long I/O is recorded in the error log with message 833. How long much an I/O request be outstanding before this message is written to the log?
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