optimizer
例句与用法
- Is updated when a query is optimized by the query optimizer , and is not persisted
返回的信息将更新,因而不是持久化的。 - The query optimizer may use indexed views to speed up the query execution
查询优化器可使用索引视图加快执行查询的速度。 - Therefore , the query optimizer might choose suboptimal plans for queries
因此,查询优化器可能会选择不太理想的查询计划。 - Use the query optimizer
使用查询优化器 - The important information used by the optimizer for a tablespace is the following
下面是优化器为表空间所使用的重要信息。 - However , if no indexes are available , the query optimizer must use a table scan
但如果没有索引,则查询优化器必须扫描表。 - Optimizer and its role
优化器及其角色 - Db2 s optimizer is the component that accomplishes this physical data independence
Db2的优化器是完成该物理数据独立性的组件。 - If the query optimizer prematurely terminates query optimization , the
如果查询优化器过早终止了查询优化, xml显示计划输出中将返回 - Forces the query optimizer to relax the estimated recompile threshold for a query
强制查询优化器对查询放宽估计的重新编译阈值。
用"optimizer"造句