Scripts

Technical Article

Finding the Nth Maximal Value

This procedure gets a tablename, column and an integer number N as parameters and finds the Nth maximum value of the column's value in a table for example :  running it with 'products', 'UnitPrice' , 13 ,  @reswill get the 13TH largest value of unitprice from products is no such N exist an error message […]

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2002-07-10

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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

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Question of the Day

Using CHOOSE()

We have this code that sets some status values and then queries them using the CHOOSE() function in SQL Server 2025.

CREATE TABLE Status
(
    StatusID INT,
    StatusDescription VARCHAR(20)
);
GO
INSERT dbo.Status
(
    StatusID,
    StatusDescription
)
VALUES
(0, 'Uncategorized'),
(1, 'Active'),
(2, 'Inactive'),
(3, 'Temp');

GO
SELECT CHOOSE(StatusID, 'Unknown', 'Active', 'Inactive', 'Temporary')
FROM Status;
When the SELECT runs, what is returned?

See possible answers