Scripts

Technical Article

BASE64 Encode and Decode in T-SQL - optimized

This is just an optimized version of Daniel Payne's two scripts, base64_encode and base64_decode, with changes to end-of-block handling and a bug fix or two. If the encoded string ends in =, the last character is truncated. If ending in ==, two characters are chopped off. That seems better than replacing NUL characters with spaces, […]

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2006-12-18 (first published: )

7,762 reads

Technical Article

HexToInt

Challenged by Hans Lindgren's stored procedures of the same name, I created this. Note that it produces strange results on non-hexadecimal strings, overflows at 0x80000000, and could have issues with byte-ordering on some architectures.How does it work? Well, the distance between one after '9' (':') and 'A' is 7 in ASCII. Also, if I subtract […]

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2006-12-15 (first published: )

238 reads

Technical Article

SQLStackEngine - simulate a character stack

SQLStackEngine - simulate a character stack using a string.  This script was developed specifically to support the operator stack in SQLCalcEngine(also on this site).  However, the implementation is complete enough to stand on its own.There are several functions in the package that correspond to the common stack functions of Push, Pop, Peek, and so on.In […]

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2006-12-12 (first published: )

164 reads

Technical Article

Search for an expression in the body of programmable objects

Sometimes you want to modify an object (like a stored procedure, Function, trigger and view) and you can not remember the name of that object, but you remember some words of the comments that you placed in the body of that object. If this is your case, you can use the following procedures depending on […]

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2006-11-30 (first published: )

199 reads

Technical Article

Remove Exec Permissions To Extended Stored Procs

I created this script to simplify the process of restricting access to high risk extended stored procedures. It will find any user or role which has execute permissions on any of the stored procedures in the "#High_Risk_Stored_Procs" temp table and will generate the relevant revoke statements to remove those permissions.The current list of stored procedures […]

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2006-11-27 (first published: )

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RegEx Functions II

By Steve Jones - SSC Editor

Comments posted to this topic are about the item RegEx Functions II

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Question of the Day

RegEx Functions II

I have this data in a table in a SQL Server 2025 database:

EmailAddressID EmailAddress
7              dylan0@ADVENTURE-WORKS.COM
8              Diane1@ADVENTURE-WORKS.COM
If I run this query, which row(s) are returned?
SELECT top 10
 *
 FROM person.EmailAddress
 WHERE REGEXP_LIKE(EmailAddress, '^d')
 AND BusinessEntityID IN (7,8)

See possible answers