Query Performance Prediction Based on Physical Operation-level Models
Query performance prediction (QPP) is an important issue in database systems.When there are concurrent transactions in a database system,the existing methods fail to establish an accurate model without changing query performance.In this paper,a new method is proposed to solve the QPP problem.The pro...
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| Format: | Article |
| Language: | zho |
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Editorial office of Computer Science
2022-08-01
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| Series: | Jisuanji kexue |
| Subjects: | |
| Online Access: | https://www.jsjkx.com/fileup/1002-137X/PDF/1002-137X-2022-49-8-49.pdf |