knee-jerk reaction短语⁶⁶⁶⁴⁰研 基本例句 网膝跳反应；反射动作不由自主的迅速反应 You can avoid a knee-jerk reaction to tuning queries and performing RUNSTATS by formulating a strategy for collecting statistics efficiently and effectively. 您可以通过制定高效、有效收集统计信息的策略，避免未经思考就调优查询和执行 RUNSTATS。 ibm