Peter Larsson


SQLServerCentral Article

Pivot table for Microsoft SQL Server

One of the seeminly more popular enhancements in SQL Server 2005 to T-SQL is the PIVOT operator. There have been quite a few articles, but new author Peter Larsson decomposes in detail how you can perform this operation with previous versions.

(22)

You rated this post out of 5. Change rating

2007-10-02 (first published: )

76,012 reads

Technical Article

PARSENAME Enhancement

The ParseName function is very useful for getting parts out of a string of characters between delimiters. But a limitiation is that you only can get four parts out, and the function only accepts dots as delimiters.The function I have written below overcomes that limitations, and add a new feature to enable "from left" and […]

You rated this post out of 5. Change rating

2007-08-27 (first published: )

327 reads

Technical Article

CHECKSUM replacement for IMAGE

As we all know, BINARY_CHECKSUM ignores columns of data type IMAGE.This code is 100% compatible with MS original. That is, the result is identical.You can use it "as is", or you can use it to see that MS function does not produce that unique values one could expect.

You rated this post out of 5. Change rating

2007-02-15 (first published: )

200 reads

Technical Article

CHECKSUM replacement for TEXT

As we all know, BINARY_CHECKSUM ignores columns of data type TEXT.This code is 100% compatible with MS original. That is, the result is identical.You can use it "as is", or you can use it to see that MS function does not produce that unique values one could expect.

You rated this post out of 5. Change rating

2007-02-13 (first published: )

185 reads

Technical Article

MIME64 Encoder and Decoder written in T-SSQL

Here is a MIME64 encoder function written entirely in T-SQL!© 2006 Peter Larsson, Developer Workshop, all rights reservedAs long as the copyright notice is visible within the function declarationand you include a note in the documentation of your system that thesefunctions are written by me, you may use these functions for free of charge.If you […]

(1)

You rated this post out of 5. Change rating

2006-11-09 (first published: )

1,071 reads

SQLServerCentral Article

How many more Mondays until I retire?

Depending on your age, you may not want to know this number, but as you advance in your career, this might be a problem that you look to solve one day. Peter Larsson takes a few minutes to work out a function in T-SQL that can be used to solve this or any similar question.

(3)

You rated this post out of 5. Change rating

2006-07-19

14,217 reads

Blogs

RANK() vs DENSE_RANK(): #SQLNewBlogger

By

I haven’t done one of these in awhile, but I saw an article recently...

Using CAT for Testing of Data Agents

By

In last months one of the scenarios where you can use AI has been...

Are you getting value from your reporting?

By

Do you spend so long manipulating your data into something vaguely useful that you...

Read the latest Blogs

Forums

Fun with JSON

By ateraa

Comments posted to this topic are about the item Fun with JSON

Creating JSON II

By Steve Jones - SSC Editor

Comments posted to this topic are about the item Creating JSON II

Engineer Lessons

By Steve Jones - SSC Editor

Comments posted to this topic are about the item Engineer Lessons

Visit the forum

Question of the Day

Creating JSON II

On SQL Server 2025, what happens when I run this code:

SELECT JSON_OBJECTAGG( N'City':N'Denver' RETURNING JSON)
GO

See possible answers