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标题: MySQL 6.0 vs 5.1 in TPC-H queries [打印本页]
作者: kider 时间: 2010-10-29 10:34
标题: MySQL 6.0 vs 5.1 in TPC-H queries
Last week I played with queries from TPC-H benchmarks, particularly comparing MySQL 6.0.4-alpha with 5.1. MySQL 6.0 is interesting here, as there is a lot of new changes in optimizer, which should affect execution plan of TPC-H queries. In reality only two queries (from 22) have significantly better execution time (about them in next posts), but I want to write about is queries that execute slower in new MySQL 6.0 version.
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