sql server 2008 - Must declare the scalar variable "@unwantedRows" -

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Why is this question not working? 

  Delete tblProduct from tblProductInner Join @Unvanced Rows On TblProduct.ProductId = @Unfortunately, Manufacturer;

Where @ inventedRows is 

  announcement @ unverified ROS table (Product Id INT, Product Name VARCHAR (50), Description VARCHAR (50), category VARCHAR (50), duplicate int);

You can not use the variable name to join in this way.

Try:

Delete tblProduct from tblProductInner Join @Unvanced Fury as tblProduct.ProductId = u.ProductId;

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