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                [TOC] # 增加或刪除 Zone ## 通過 SQL 語句增加或刪除 Zone 在集群中增加或刪除 Zone 的操作通常用于集群擴容或縮容等需求場景。 增加或刪除 Zone 的命令如下所示,其中參數`Zone_Name`為目標 Zone 的名稱。 ~~~ ALTER SYSTEM {ADD|DELETE} ZONE Zone_Name; ~~~ **示例 1:**下述示例語句展示了在集群中新增一個名為`Zone1`的 Zone。 ~~~ obclient> ALTER SYSTEM ADD ZONE Zone1; ~~~ **示例 2**:下述示語句展示了在集群中刪除名為`Zone1`的 Zone。 ~~~ obclient> ALTER SYSTEM DELETE ZONE Zone1; ~~~
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