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新建数据文件的初始大小

PHPz
Release: 2018-09-30 10:51:11
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问题: 为表空间添加一个100M的数据文件,产生的数据文件直接就是100M,还是开始为0,逐渐增大的? 实验: 为OPEN_TBS表空间增加一个数据文件: alter tablespace OPEN_TBS add datafile '/oracle/oradata_petest/petest/open_tbs02.dbf' size 100m; 查看文 

问题:

为表空间添加一个100M的数据文件,产生的数据文件直接就是100M,还是开始为0,逐渐增大的?

实验:

为OPEN_TBS表空间增加一个数据文件:

alter tablespace OPEN_TBS add datafile '/oracle/oradata_petest/petest/open_tbs02.dbf' size 100m;

查看文件大小:

ls -lrht
-rw-r----- 1 ora10g dba 101M May  8 18:20 dcsopen_tbs02.dbf

结论:

说明文件创建后保持的是即将用完的节奏。

给的相关教程请访问 MySQL视频教程

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