table 'catalog' 
product_id 
author 
title 
label 
description 
price 
vendor_id 
log 

##</code><code>##

author 
title 
label 
description 
price 


##</code><code>##

table 'pivot' 
received_id 
author 
title 
label 
description 
price 

##</code><code>##

select pivot.received_id 

from catalog inner join pivot on 

( catalog.author = pivot.author and 

catalog.titulo = pivot.titulo and 

catalog.label = pivot.label and 

catalog.description = pivot.description and 

catalog.price = pivot.price );