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Translating and Optimizing SQL Queries Having Aggregates

Summary: Defines SQL aggregate semantics via extended relational calculus, correctly handling NULLs and empty inputs. Derives algebraic optimization strategies by treating aggregates as functions over referenced free-variable attributes, avoiding unneeded computation and enabling correct empty-relation handling. (summarized by gpt-5.6-luna on Jul 24 2026)

Paper ID
7997
Venue
VLDB
Year
1987
Pagerank
6.0314633e-05
Overall Rank
5,950 | 59.18%
DOI
-

Incoming Non-self Citations Over Time

Authors

BibTeX Citation

@article{bultzingsloewen_vldb87,
        title = {{Translating and Optimizing SQL Queries Having Aggregates}},
        author = {von Bültzingsloewen, Günter},
        journal = {PVLDB},
        series = {{VLDB} '87},
        year = {1987}
}

Incoming Citations (Sorted by Pagerank)

Showing 2 of 2 citing papers.

Rank Citing Paper Year Venue Pagerank
1,362 Execution Strategies for SQL Subqueries 2007 SIGMOD 0.00011032204
13,095 A Uniform Approach to Processing Temporal Queries 1992 VLDB 5.093636e-05
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Outgoing Citations (Sorted by Pagerank)

Showing 3 of 3 cited papers.

Citations counted here include only citations to other VLDB/SIGMOD/CIDR/PODS papers in this database.

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