什么是数据库分区？为什么要使用它？
复制SQL> Create table magazines (Pub_Title varchar(150), Pub_Date (date)) partition by list(Pub_Title) (partition Pub_Title1 values(“Sports Illustrated”, “Mens Health”), partition Pub_Title2 values(“Vanity”, “Flair”), partition Pub_Title3 values(“Yoga Magazine”, “Zen Magazine”));
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