14 lines
572 B
Plaintext
14 lines
572 B
Plaintext
=== relates to: S2583
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=== relates to: S3633
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=== on 17 Jun 2016, 15:03:20 Ann Campbell wrote:
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from \https://www.researchgate.net/publication/222432151_Semantic_errors_in_SQL_queries_A_quite_complete_list:
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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).
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Not sure if we want to handle this here or in RSPEC-3647
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