Scripts

Technical Article

t-sql function to parse string data

The below function can be used to parse or split out data from a delimited string. The function takes in 3 parameters. The text you want to parse, the 1 character delimiter, and the total count of objects in the text.Text for function is set at size of varchar(2000), feel free to make bigger if […]

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2005-01-19 (first published: )

1,886 reads

Technical Article

USER PROCESS CHECK (COMPLETE)

The following runable script is a very simple way to track SPID's and PROCESS information (VERY BASIC) in a small target (Local) database.1. Creates a small database 1.1 must set MDF and LDF (File location information) specific to the drive and file folder locations for each server2. Sets All db options3. Creates single table to […]

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2005-01-14 (first published: )

234 reads

Technical Article

Convert Unique Identifier to Varchar data type

Script will drop the Default, Primary, Unique, Foreign Constraints, Index and ROWGUID on Unique Identifier data type column and finally it alters the unique identifier to varchar (38) data type. I have compile and execute the script in my database server. Script has executed successfully.

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2005-01-12 (first published: )

798 reads

Technical Article

Get the Value of a BitMask

This function will take a 64 bitmask string and return the value of bitmask. If you need 128, 256, etc simply change the length of the parameter, being careful to remember you may need to change the return type of int to BigInt if you get too long.

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2005-01-04 (first published: )

260 reads

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The Disabled Index

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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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