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2013-12-10 (first published: 2007-11-27)
198,998 reads
Jeff Moden
- Interests: SQL. When Im not having fun with that, then SQL. ;-)
Displaying Sorted Hierarchies (SQL Spackle)
Learn how you can query a hierarchy of data and also return the results in an ordered fashion. A handy T-SQL skill that you will use over and over again.
2013-08-23 (first published: 2011-03-10)
20,421 reads
Formatting Dates with 3 Character Months (SQL Spackle)
Another in the series of articles to help you "fill in the cracks" in your T-SQL knowledge. MVP Jeff Moden shows us a super simple, high performance method to solve this timeless problem.
2013-07-19 (first published: 2011-01-20)
23,421 reads
Display More Than 8000 Characters (SQL Spackle)
SQL Server MVP Jeff Moden shows us a quick and dirty bit of SQL Spackle to display the content of VARCHAR(MAX) and NVARCHAR(MAX).
2013-06-28 (first published: 2011-01-27)
21,175 reads
Tally OH! An Improved SQL 8K “CSV Splitter” Function
The Tally Table has proven to be a simple and elegant method for avoiding many varieties of RBAR. Unfortunately, one of its more common uses, that of a CSV splitter, has a well-known and serious performance problem. MVP Jeff Moden shows us what that problem is and how to correct it. (UPDATED with additional info and attachments on 5/12/2011).
2012-12-28 (first published: 2011-05-02)
125,661 reads
Hierarchies on Steroids #2: A Replacement for Nested Sets Calculations
In this sequel to his first "Hierarchies on Steroids" article, SQL Server MVP Jeff Moden shows us how to build a pre-aggregated table that will answer most of the questions that you could ask of a typical hierarchy. Any bets on whether Santa is packin’ a Tally Table in his bag or not?
2012-11-15
16,915 reads
Why doesn’t ISNUMERIC work correctly? (SQL Spackle)
Another in our series of articles to help you fill in the cracks in your knowledge with SQL Spackle. MVP Jeff Moden shows us how IsNumeric works and how you should use it.
2012-09-14 (first published: 2010-12-01)
42,484 reads
REPLACE Multiple Spaces with One
Replacing multiple spaces with a single space is an old problem that people use loops, functions, and/or Tally tables for. Here's a set based method from MVP Jeff Moden.
2012-08-17 (first published: 2009-11-16)
60,184 reads
Generating Test Data: Part 2 - Generating Sequential and Random Dates
Part two of this fantastic series from Jeff Moden looks at generating date data, something which can be handy for any number of testing purposes.
2012-04-25
7,392 reads
Generating Test Data: Part 1 - Generating Random Integers and Floats
Learn how you can easily generate large amounts of test data efficiently in this new series from Jeff Moden. Part 1 covers integers and floating point values.
2012-03-26
10,367 reads
Blogs
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