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Experience from a Real Life Query Optimizer

Summary: Real-world DB2 query optimizer, rooted in System R, shaped by extensive customer workloads on IBM mainframes. Details major enhancements, concrete examples, and a wishlist plus trends guiding future optimizer evolution. (summarized by gpt-5-nano on Feb 09 2026)

Paper ID
2659
Venue
SIGMOD
Year
1992
Pagerank
6.0372035e-05
Overall Rank
5,930 | 59.32%
DOI
10.1145/130283.130325

Incoming Non-self Citations Over Time

Authors

BibTeX Citation

@inproceedings{wang_sigmod92,
        title = {{Experience from a Real Life Query Optimizer}},
        author = {Wang, Yun},
        series = {{SIGMOD} '92},
        booktitle = {Proceedings of the {ACM} {SIGMOD} International Conference on Management of Data},
        publisher = {Association for Computing Machinery},
        doi = {10.1145/130283.130325},
        url = {https://dl.acm.org/doi/10.1145/130283.130325},
        year = {1992}
}

Incoming Citations (Sorted by Pagerank)

Showing 1 of 1 citing papers.

Rank Citing Paper Year Venue Pagerank
274 Balancing Histogram Optimality and Practicality for Query Result Size Estimation 1995 SIGMOD 0.00022645621
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Outgoing Citations (Sorted by Pagerank)

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

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