Looking Ahead Makes Query Plans Robust: Making the Initial Case with In-Memory Star Schema Data Warehouse Workloads
Summary: Defines robustness of query evaluation to the plan space and introduces Lookahead Information Passing (LIP) for in-memory star-schema workloads. LIP narrows execution-time variance across left-deep plans, achieving near-optimal performance for all plans under plausible assumptions; evaluated with skew and correlation. (summarized by gpt-5-nano on Feb 09 2026)
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Authors
- 1. Jianqiao Zhu
- 2. Navneet Potti
- 3. Saket Saurabh
- 4. Jignesh M. Patel
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