Obtaining the Next Number in a Sequence Using a Stored Procedure and an Output Parameter

There will be times when you need to get the next number in a sequence. Say, for example, you store all student numbers, or you keep track of them. Then, you need to get the next student number in the list and you do not know what it will be. With this stored procedure, you update the Settings table with a new number and return the number to whichever function executed the stored procedure:

CREATE PROC [dbo].[spGetNextNumber]@NextNumber INT OUTPUTASSET @NextNumber =    (      SELECT CurrentNumber FROM Settings WHERE ID = 1   )   UPDATE Settings SET CurrentNumber = @NextNumber + 1RETURN @NextNumber
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