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.

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2007-10-02 (first published: )

75,653 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 […]

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2007-08-27 (first published: )

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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.

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2007-02-15 (first published: )

179 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.

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2007-02-13 (first published: )

174 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 […]

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2006-11-09 (first published: )

1,028 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.

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2006-07-19

14,082 reads

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Question of the Day

Sensitivity Ranks

I want to use the ADD SENSITIVITY CLASSIFICATION DDL to mark some columns in my SQL Server 2022 database as PII. Can I use this code?

ADD SENSITIVITY CLASSIFICATION TO dbo.sales.price,
    dbo.sales.discount
WITH (
    LABEL = 'Highly Confidential',
    INFORMATION_TYPE = 'Financial',
    RANK = 'INTERNAL ONLY'
);

See possible answers