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                # 分區路由 OceanBase 的分區表是內建功能,您只需要在建表的時候指定分區策略和分區數即可。分區表的查詢 SQL 跟普通表是一樣的,OceanBase 的 OBProxy 或 OBServer 會自動將用戶 SQL 路由到相應節點內,因此,分區表的分區細節對業務是透明的。 如果知道要讀取的數據所在的分區號,可以通過 SQL 直接訪問分區表的某個分區。簡單語法格式如下: ~~~ part_table partition ( p[0,1,…][sp[0,1,...]] ) ~~~ 默認情況下,除非表定義了分區名,分區名都是按一定規則編號,例如: * 一級分區名為:p0 , p1 , p2 , … * 二級分區名為:p0sp0 , p0sp1 , p0sp2 , … ; p1sp0 , p1sp1 , p1sp2 , … 示例:訪問分區表的具體分區。 ~~~ select * from t_log partition (p0) ; select * from t_log partition (p5sp0) ; ~~~
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