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REOPTALWAYS

REOPTALWAYS

REOPTALWAYS

REOPTALWAYS

1

REOPT ALWAYS : Query optimization or reoptimization occurs at query execution time every time the query is executed .

REOPTALWAYS ：每一次查询执行时都发生查询优化或重新优化。

2

With DB2 9 and dynamic SQL, REOPT ALWAYS can also be specified through a global- or statement-level optimization profile.

对于 DB29 和动态 SQL ，也可以通过一个全局或语句级别的优化配置来指定 REOPTALWAYS 。

3

With REOPT ALWAYS, the query will be re-compiled and the access plan will be re-generated based on run-time value .

通过使用 REOPTALWAYS ，这个查询将会重新编译，而这个存取计划将基于运行时值重新生成。

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