表分區數據和單獨一張表數據進行交換

好比有一張表：signals_120628

想把這種表的數據快速的導入到分區表signals,方法以下：

ALTER TABLE SIGNALS EXCHANGE PARTITION P120628 WITH TABLE signals_120628;

花了 26秒。

Executed in 26.437 seconds

SQL> select count(*) from SIGNALS partition(P120628);

COUNT(*)

 

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