Recommendations · Thesaurus-based efficient example retrieval by generating retrieval queries from similarities. COLING '94: Proceedings of the 15th conference ...
Summary-Table-by-Example (STBE) is a graphical language suitable for statistical data- base applications. STBE queries have a hierarchical subquery structure ...
Jun 1, 2024 · Interesting observation about the group column! Usually summary tables act on the underlying data, and the group column is needed and useful.
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May 18, 2022 · Using GROUP BY on columns that don't need to be aggregated can really hamper performance, and can result in substantially higher reads.
Oct 22, 2024 · Table-by-Example (STBE) is a graphical language suitable for statistical database applications. STBE queries have a hierarchical subquery ...
Nov 6, 2024 · Query Optimization in SQL is the process of refining queries for faster, more efficient data retrieval. As data scales, optimized queries ...
Apr 19, 2021 · Are most queries for a given month? Or week or date range? Then I strongly recommend building and maintaining Summary Table(s) that ...
Mar 9, 2023 · By using a summary table, we can greatly reduce the amount of data processing required by our query. We've demonstrated how to filter and group ...
Materialized query tables (MQTs) (also referred to as automatic summary tables or materialized views) can provide performance enhancements for queries.
Jul 17, 2023 · Consider implementing modes of query optimization to best reduce computational costs within notebooks. Below are suggestions for SQL optimization.