=== on 17 Jun 2016, 11:33:40 Ann Campbell wrote:
https://www.researchgate.net/publication/222432151_Semantic_errors_in_SQL_queries_A_quite_complete_list

=== on 17 Jun 2016, 15:03:44 Ann Campbell wrote:
from \https://www.researchgate.net/publication/222432151_Semantic_errors_in_SQL_queries_A_quite_complete_list:


Error 27: Uncorrelated EXISTS-subqueries.If an EXISTS-subquery makes no reference to a tuple variable from theouter query, is is either globally true or globally false. This is a very unusualbehaviour. Actually, uncorrelated EXISTS-subqueries are simply missing joinconditions (possibly for anti-joins).


Not sure if we want to handle this here or in RSPEC-3651