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Zhaoguo Wang, Zhou Zhou, Yicun Yang, Haoran Ding, Gansen Hu, Ding Ding, Chuzhe Tang, Haibo Chen, Jinyang Li · 2022

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cs.DB 1

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2026 1

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UNVERDICTED 1

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Efficient Cost-Based Rewrite in a Bottom-Up Optimizer

cs.DB · 2026-05-06 · unverdicted · novelty 6.0

A multi-level caching and upper-bound pruning technique enables efficient interleaving of cost-based optimization with query rewrites in bottom-up DBMS optimizers, cutting overall optimization time when implemented in GaussDB.

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  • Efficient Cost-Based Rewrite in a Bottom-Up Optimizer cs.DB · 2026-05-06 · unverdicted · none · ref 22

    A multi-level caching and upper-bound pruning technique enables efficient interleaving of cost-based optimization with query rewrites in bottom-up DBMS optimizers, cutting overall optimization time when implemented in GaussDB.