CreateDBREINDEX

This script will generate a set of DBCC DBREINDEX commandsthat can be executed to rebuild the indexes.  Additional  information is provided to assist with sizing of the fillfactors.

REVISED Dynamic Crosstab Query

Here is a revised version of the crosstab query I submitted last week.  This new version avoids the WHILE loop (which was used in my pervious version) and is thus COMPLETELY SET-ORIENTED for better performance.

Selecting XML out

I have a table with multiple rows for Description belonging to one Heading. For each row of data I need a .The xml should look like this: A heading 234567890123456789010 234567890123456789010 234567890123456789010   ...(to ) A heading 234567890123456789010 234567890123456789010   ...(to )

UDF to get Day of the Year

Add carriage return every nth char

This script will take a string (8000) and add a carriage return at the closest space to nth char. e.g. You only want 50 characters per line. This will add carriage return at the closest space before the 50th character.

Creating a Dynamic Crosstab Query

Crosstab queries (also called "pivot tables") in which you know beforehand the number of column values to aggregate by, can easily be performed in T-SQL using CASE statements wrapped in the SUM function.  Where things get tricky, however, is when you don't know how many aggregation values exist, and you are required to write a […]

SP_HELPTEXT Modified for XML

This is the standard sp_helptext from SQL Server 2000 modified slightly to return the object definition as an XML document.The document is structured in the following format:I admit it was not a lot of work since I merely modified the final SELECT statement from Microsoft's own procedure, but I still find this very useful.The only […]

xp_cmdshell error return value

The error checking seems to work better than the @@error after exiting out of a xp_cmdshell DOS task concerning a failed or successfull attempt.

Haversine Calculation in User Defined Function

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 […]

Optimized prime number generator

This a modification to the script given by Preethi.It generates prime numbers to the upper bound you specify.Modifications are using following facts from algebra:1. All prime numbers greater than 3 can be written in the form 6 * X +/- 1.2. Instead of checking the module for ALL numbers