传输表空间数据库的相关内容

阿里云文档 2025-07-17

使用optimize table语句释放MySQL表空间

当MySQL表数据量较大时，通过 DELETE 语句清理数据并不会直接释放磁盘空间，仅会将数据库记录或数据页标记为可重用。若需要真正回收表空间并减少磁盘占用，可通过OPTIMIZE TABLE实现。

阿里云文档 2025-04-14

使用CREATETABLESPACE创建集群范围的表空间

CREATE TABLESPACE用于注册一个新的集群范围的表空间。

阿里云文档 2023-09-03

使用DROPTABLESPACE从系统中移除一个表空间_云原生数据库PolarDB PostgreSQL版（兼容Oracle）_云原生数据库 PolarDB(PolarDB)

DROP TABLESPACE用于从系统中移除一个表空间。

阿里云文档 2023-08-01

使用ALTERTABLESPACE更改表空间的定义

ALTER TABLESPACE可以被用于更改一个表空间的定义。

文章 2022-02-16 来自：开发者社区

Oracle传输表空间迁移数据库

本文是通过exp/imp方式实现，需要将数据库表空间处于只读模式，对于实时应用的生产数据库，可以采用rman方式进行传输表空间，本文源与目标数据库均为oralce 10.2.0.5 for linux版本。执行表空间传输有以下限制条件: （1）源数据库和目标数据库必须处于相同的平台，10g以后可以用RMAN命令修改数据文件实现跨平台移动表空间。 ...

文章 2022-02-16 来自：开发者社区

【MOS】如何利用RMAN可传输表空间迁移数据库到不同字节序的平台(文档 ID 1983639.1)

如何利用 RMAN 可传输表空间迁移数据库到不同字节序的平台 (文档 ID 1983639.1) 适用于: Oracle Database - Enterprise Edition - 版本 10.1.0.2 到 12.1.0.1 [发行版 10.1 到 12.1]本文档所含信息适用于所有平台******************* 警告 *************Docume...

文章 2022-02-16 来自：开发者社区

[20170623]利用传输表空间恢复数据库2.txt

[20170623]利用传输表空间恢复数据库2.txt --//继续上午的测试,测试truncate,是否可行,理论讲应该没有问题.我主要的目的测试是否要切换日志. --//参考链接 : http://blog.itpub.net/267265/viewspace-2141166/ 1.环境: SCOTT@book> @ &r/ver1 PORT_STRING ...

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