How To Create Trigger Which CREAT TABLE From A Variable String?

I have a Table Name "Forums". I want to ceate an AFTER-Trigger on it. It will execute when ever a new row is inserted to "Froums" Table.

Here is what I did but It needs to be corrected:

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ALTER TRIGGER CreateTopicsTableTrigger

ON dbo.Forums

AFTER INSERT

AS

SET NOCOUNT OFF

DECLARE @myNewForum varchar

CAST(@@ROWCOUNT as varchar) /*Is it OK???*/

SET @myNewForum=@myNewForum+@@ROWCOUNT /*Here I dont know how assigments work in SQL*/

GO

CREATE Table @myNewForum /*Will this work some how???*/

( TopicID int IDENTITY NOT NULL, TopicTitle varchar(50) , CreatedBy varchar(50) ,

DateCreated DateTime , DateLastUpdate DateTime , LastUpdateBy varchar(50) )



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