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Querying Multiple Features of Groups in Relational Databases

Summary: Extends SQL with a succinct syntax and a relational-algebra operator for multi-level aggregation over the same groups. A translation to this algebra and a preprocessor atop a commercial DB yield orders-of-magnitude gains over conventional SQL. (summarized by gpt-5-nano on Feb 09 2026)

Paper ID
8352
Venue
VLDB
Year
1996
Pagerank
0.00010670609
Overall Rank
1,754 | 87.80%
DOI
-

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