query optimizer的意思|示意
查询优化器
query optimizer相关短语
1、 query optimizer enhancements 查询优化器增强
2、 Query Optimizer Fixes configuration option 查询优化修补程序
query optimizer相关例句
Selectivity Estimation is the base of spatial database query optimizer.
选择性估计是设计空间数据库查询优化器的基础.
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Indicates that column statistics which would have been useful to the query optimizer are not present.
表明不存在可能对查询优化器有用的列统计.
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