4.latch之oracle latch undo globaldata

4.latch之oracle latch undo globaldata數據庫   根據MOS文檔"LATCH: UNDO GLOBAL DATA" In The Top Wait Events [ID1451536.1]描述，這個等待和隱含參數_undo_autotune設置爲FALSE狀況下的UNDO空間不足有關。oracle 當前數據庫確實關閉了_undo_autotune功能。且LATCH

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