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Oracle认证考试

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Consider the events_% tables in performance Schema. Which two methods will clear or reset the collected events in the tables?()

  • A、Using DELETE statements, for example, DELETE FROM performance_schema.events_watis_current
  • B、Using the statement RESET PERFORMANCE CACHE
  • C、Using the statement FLUSH PERFORMANCE CACHE
  • D、Using TRUNCATE statements, for example, TRUNATE TABLE performance_schema.events_waits_current
  • E、Disabling and re-enabling all instruments
  • F、Restarting Mysql
正确答案:D,F
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