Scripts

Technical Article

Generate Random Alphanumeric String

Here's a short script to generate a random alphanumeric string based on newid(). The procedure takes in length (@len) which determines the key length. Length must be between 8 and 32. Result is returned in an output parameter. A test script is supplied.

3.67 (3)

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2005-01-24 (first published: )

1,274 reads

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: )

1,871 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: )

217 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: )

759 reads

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Question of the Day

Checking Identities

The DBCC CHECKIDENT command is used when working with identity values. I have a table with 10 rows in it that looks like this:

TravelLogID CityID  StartDate   EndDate
1           1       2025-01-11  2025-01-16
2           2       2025-01-11  2025-01-16
3           3       2025-01-11  2025-01-16
4           4       2025-01-11  2025-01-16
5           5       2025-01-11  2025-01-16
6           6       2025-01-11  2025-01-16
7           7       2025-01-11  2025-01-16
8           8       2025-01-11  2025-01-16
9           9       2025-01-11  2025-01-16
10          10      2025-01-11  2025-01-16
The docs for DBCC CHECKIDENT say this if I run with only the table parameter: "If the current identity value for a table is less than the maximum identity value stored in the identity column, it is reset using the maximum value in the identity column. " I run this code:
DELETE dbo.TravelLog WHERE TravelLogID >= 9
GO
DBCC CHECKIDENT(TravelLog, RESEED)
GO
INSERT dbo.TravelLog
(
    CityID,
    StartDate,
    EndDate
)
VALUES
(4, '2025-09-14', '2025-09-17')
GO
What is the identity value for the new row inserted by the insert statement above?

See possible answers