Auto Generate AlphaNumeric ID’s in a SQL Server Table

I was recently working on a query to auto generate a Column ID based on an IDENTITY column. I used computed columns to achieve this. If you too have a similar requirement, then here’s the query.

DECLARE @TT TABLE (
CandID as 'C-' + RIGHT('000' + CONVERT(varchar, CourseID),5),
CourseID int IDENTITY(1,1),
ReferrerName varchar(10)
)

INSERT INTO @TT VALUES ('Dhiraj')
INSERT INTO @TT VALUES ('Jack')
INSERT INTO @TT VALUES ('Kelly')
INSERT INTO @TT VALUES ('Kelly')
INSERT INTO @TT VALUES ('Jack')
INSERT INTO @TT VALUES ('Dhiraj')

SELECT * FROM @TT

OUTPUT

Observe how the values of the CandID column are autogenerated based on the values if the CourseID column.

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About The Author

Suprotim Agarwal, ASP.NET Architecture MVP works as an Architect Consultant and provides consultancy on how to design and develop Web applications.

Suprotim is also the founder and primary contributor to DevCurry, DotNetCurry and SQLServerCurry. He has also written an EBook 51 Recipes using jQuery with ASP.NET Controls.

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