Scripts

Technical Article

Table Size Estimator

This script will output an estimate for the space required for a given number of rows for a specified table; the estimated size is based on the data produced by the "sp_spaceused" stored procedure.The script is written as stand alone, though it also lends itself to creation as a stored procedure, and can be run […]

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2003-08-07

4,818 reads

Technical Article

UDF Random Password Generator

UDF Random Password GeneratorYou can not use the RAND function directly from a User Defined Function. So the UDF I wrote "fn_RandomPassword" uses the view "view_RandomPassword8" to get the random charaters.Having the random password generator is useful if you need to insert a large number of users into a table with random passwords assigned.For example […]

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2003-08-07

404 reads

Technical Article

Proper Case function for DTS Transformation

This VBS function will convert a string into Proper Case (i.e. This Is Proper Case) during the execution of the DTS package.  Wrap the DTSSource function with the PropCase function and the result is a Proper Case transformationexampleFunction Main()    DTSDestination("Field1") = PropCase(DTSSource("Col019"))    Main = DTSTransformStat_OKEnd Function

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2003-08-05

226 reads

Technical Article

sp_dba_spacealert_dmo.vbs

This vbscript is used to alert and email receipients on Filegroup space usageOuput:  '% Space Avail. , Space Avail. Filesize, MaxSize, FileName, DBname, FileGroupThe process takes three arguments - SqlserverName , Threshold for percentage of available space to check ,Mininum MaxFileSize to checkExecute the script either from the command line or schedule the script via […]

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2003-08-01

363 reads

Technical Article

Display Database, File, Free and Total Disk Space

This script displays the size of each SQL Server database and database file plus the size of the next extension that will be added to each file. It also displays on each line the total and remaining free disk space for whichever disk each database file is stored on.The output is nothing fancy, and could […]

(1)

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2003-07-30

1,331 reads

Technical Article

Pad Number

A simple UDF for padding out numbers with a specific character (eg: pad 3 to show as 003).Usefull when you can only sort as a text item or for formatting purposes.Script is similar to the SPACE() function but allow the padding character to be defined.Usage:dbo.padNumber('string to pad', padsize, padchar)eg:SELECT dbo.padNumber('53', 4, '0') as testNumReturns:testNum-------0053

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2003-07-25

223 reads

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Question of the Day

ORDER BY alias

There is a table tmp_tab:

CREATE TABLE tmp_tab (
id int,
val int
);
INSERT INTO tmp_tab VALUES
(1, 1),
(2, NULL),
(3, 3),
(4, 4),
(5, 5);
You want to order the rows ids by the following expression:
    ISNULL(val, id) + 1
Which of the following queries produces the expected ordering and why? (Select all correct)

See possible answers