RC4 encryption/decryption with SQL Server
The first function is used to initialize the seed for the RC4 algorithm (second function), which does the encrypting/decrypting.
2007-08-29 (first published: 2007-02-12)
1,482 reads
Peter Larsson
Splitting strings
There are many split-functions out there. This is very fast because there is only two string manipulation functions involved, and not per-part string manipulation.
2007-08-28 (first published: 2007-02-12)
502 reads
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 […]
2007-08-27 (first published: 2007-02-12)
333 reads
Fetching Ordinal number text
Interested in getting the ordinal number as text?You know, 1st, 32nd and so on?Have a look at this script.peso@developerworkshop.net
2007-04-05 (first published: 2007-03-02)
208 reads
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.
2007-02-15 (first published: 2006-08-24)
210 reads
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.
2007-02-13 (first published: 2006-08-24)
194 reads
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 […]
2006-11-09 (first published: 2006-06-15)
1,085 reads
Pivot Table Recordset for SQL 2000
This is the basic structure of how to dynamically create a pivot table recordset for SQL 2000. In this example, I am using SUM, but it could just as easy be COUNT or any other aggregate function.
2006-05-26 (first published: 2006-05-08)
1,886 reads
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Question of the Day
Escaping Strings
The STRING_ESCAPE() function requires 2 parameters in SQL Server 2025. The first is a string of text and the second is the type of escape rules being used. What are the options for the second parameter?
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