T-SQL

Technical Article

XML Encode UDF

  • Script

I routinely need to retrieve and package query result sets in an XML package.  The built in functions supported by SQL Server 2000 are effective, but are often more of a pain than a help.  This routine can be used in a simple select statement to XML encode the contents of a column during the […]

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2003-10-14

245 reads

Technical Article

Haversine Calculation in User Defined Function

  • Script

Uses the haversine formula to calculate distance between 2 long / lat points.  This can be used with a zip code / lat and long table that are available from the census bureau or post office.The @R can be tweaked dependent on what gives you the best result (its the radius of the earth, fluctuates […]

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2003-09-25

776 reads

Technical Article

Get Column Lists script

  • Script

This is a script like Column_Gitter by Rick Bolin (RickInMesa), it differs in the fact that it does not use cursors, it optionally adds the table name, it handles UDDT (User Defined Data Types) properly, and handles the new SQL Server 2000 datatypes.Usage: Open this script in QA, Change QA to the desired Database, Edit […]

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2003-09-24

723 reads

Technical Article

Replace Mult Instances of a Pattern in a String

  • Script

This function takes a pattern to be searched for, a string that the pattern will be removed from and a flag to determine whether all instances of the pattern should be removed.This is sort of an expanded version of a function I wrote to remove multiple spaces from a string.

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2003-08-20

186 reads

Technical Article

Column_Gitter Part Deux

  • Script

This script is similar to Column_Gitter.  I noticed this script and wanted to present the same output without the use of cursors.  Both scripts work well and produce the same results.  This little utility comes in handy if you do a lot of SQL coding. Given a table name, it'll return four results: The names […]

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2003-08-14

95 reads

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Question of the Day

Restoring On Top I

I am doing development work on a database and want to keep a backup so I can reset my database. I make some changes and want to restore over top of my changes. When I run this code, what happens?

USE Master
BACKUP DATABASE DNRTest TO DISK = 'dnrtest.bak'
GO

USE DNRTest
GO
CREATE TABLE MyTest(myid INT)
GO
USE master
RESTORE DATABASE DNRTest FROM DISK = 'dnrtest.bak' WITH REPLACE

See possible answers