Flush early and often as subsequent queries within the same transaction will NOT see NON-flushed data.
尽早且频繁地刷新缓存(Flush),同一事务中接下去的查询就不会再看到未刷新的数据。
Initial execution of any query includes the costs of building up a query cache to enable faster execution of subsequent queries.
任何一个查询的首次执行都包含了构建一个查询缓存的性能损耗,以利于提高后续查询的执行速度。
I've purposefully included diverse examples of namespace usage to illustrate the impact these namespaces will have on subsequent queries.
为了演示名称空间对以后查询的影响,我特意以不同方式使用名称空间。
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