Scripts

Technical Article

Find Duplicated rows

This is a very simple and small stored procedure which will help you identify repeated rows on any given table.  This is specially useful for situations when you want to clean up a table and add a primary key on it, but you cannot until all duplication is eliminated.  Only two parameter are necessary; table […]

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2002-07-08

1,089 reads

Technical Article

Dynamically Alter all your Tables.....

This script allows you to dynamically alter all the tables in your database.  In the script i am building up an alter statement that adds a 'TimeStamp' column a table.If anyone knows a better way to do this kind of thing, feel free to drop me a mail (jamie.moffat@infographics.co.uk)

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2002-07-04

770 reads

Technical Article

Index Locking Strategy

This script returns the index locking strategy informationfor all user tables in a database. It also generates the required TSQL statement to alter locking strategies if required. These statements require CTRL-C and CTRL-V individually into query analyser for execution. Results are best viewed in text only. This TSQL can be wrapped in a stored procedure […]

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2002-07-04

1,395 reads

Technical Article

VB6/ADO Stored Procedure Call Generator

Generates a VB6/ADO procedure prototype, procedure call, and ADO Command Object Parameters.Append calls.  To use, simply set the @spname variable equal to the name of your stored procedure, run, and cut and paste the output into you VB program.  The generated code may require some slight modifications, but this should save you a lot of […]

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2002-07-04

1,084 reads

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Question of the Day

Getting the Average

I have this data in the dbo.Commission table in a SQL Server 2022 database.

salesperson commission
Brian       12
Brian       16
Andy        7
Andy        14
Andy        21
Steve       20
Steve       NULL
All the data is a varchar, and I decide to run this query to get the totals for each salesperson.
SELECT SalesPerson
     , AVG(TRY_PARSE(Commission AS int)) AS TotalCommission
 FROM commission
 GROUP BY SalesPerson
GO
What average commission is calculated for Steve?

See possible answers