Technical Article

Alphanumeric and Special Character Validation

Inspired in the script submited by ramesh_kondaparthy , this is a set oriented solution for the same problem.Parameters: 1) @InputString varchar(25)Accepts the string, which we need to validate 2) @Type int = 0 validate the string for only alphanumeric charactersi.e Allows characters between [A-Z] ,[a-z] and [0-9] = 1 validate the string for alphanumeric and […]

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2006-08-22 (first published: )

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Question of the Day

Restoring On Top I

I am doing development work on a database and want to keep a backup so I can reset my database. I make some changes and want to restore over top of my changes. When I run this code, what happens?

USE Master
BACKUP DATABASE DNRTest TO DISK = 'dnrtest.bak'
GO

USE DNRTest
GO
CREATE TABLE MyTest(myid INT)
GO
USE master
RESTORE DATABASE DNRTest FROM DISK = 'dnrtest.bak' WITH REPLACE

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