T-SQL

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

796 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 […]

(1)

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2003-09-24

733 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

195 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

110 reads

Technical Article

ISINTEGER function

  • Script

This function is similar to the ISNUMERIC native function, but tests for a valid integer.  ISNUMERIC can return false positive results when testing for a valid integer.  For example this select returns a value of 1 (true):select isnumeric('3d8')For 6.x and 7.0, you can easily convert it to a procedure.

(3)

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2003-08-14

3,072 reads

Technical Article

Getting Information about Database Objects

  • Script

It is sometimes necessary to have information regarding the database objects like stored procedures and triggers for e.g. we need to get information about a stored procedure like what paramters it has and so on.The sp_help system stored procedure comes in handy.What this store procedure does is that it returns result set. The result will […]

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2003-08-07

195 reads

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Question of the Day

Transaction Log Truncation

In SQL Server 2025, where can I find information about items that prevent or delay the transaction log truncation?

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