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

265 reads

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

1,097 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

779 reads

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The Disabled Index

By Steve Jones - SSC Editor

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Question of the Day

The Disabled Index

I run this code on SQL Server 2022.

CREATE TABLE Drink
(
    drinkid INT NOT NULL
        CONSTRAINT DrinkPK PRIMARY KEY CLUSTERED,
    drinkname VARCHAR(20),
    rating NUMERIC(2, 1)
)
GO

INSERT INTO Drink
(
    drinkid,
    drinkname,
    rating
)
VALUES
(1, 'Margarita', 4.5),
(2, 'Mojito', 4.3),
(3, 'Old Fashioned', 4.7),
(4, 'Martini', 4.4),
(5, 'Cosmopolitan', 4.2)
GO
ALTER INDEX drinkpk ON dbo.drink DISABLE
GO
SELECT * FROM dbo.Drink
GO
What is the result?

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