Something like SQL's NATURAL JOIN? Essentially a relational "AND" https://en.wikipedia.org/wiki/Join_(SQL)#Natural_join https://en.wikipedia.org/wiki/Join_(SQL)

Something like SQL's NATURAL JOIN? Essentially a relational "AND" https://en.wikipedia.org/wiki/Join_(SQL)#Natural_join https://en.wikipedia.org/wiki/Join_(SQL)#Natural_join