The REOPT bind option defers query optimization until input variable values are available at OPENtime.
REOPT绑定选项将查询优化推迟到OPEN时有可用输入变量的时候。
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In the DB2 for Linux, UNIX, and Windows environment, you may find that runtime query performance is related to input variable values that are passed to statements at OPENtime.
在DB 2 for Linux, UNIX, and Windows环境中，您可能会发现运行时查询性能与OPEN时传递给语句的输入变量值有关。