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[小技巧]手工扩大Oracle数据库表空间的方法

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Release: 2016-06-07 16:50:59
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1、首先查看表空间的名字和所属文件select tablespace_name, file_id, file_name,round(bytes/(1024*1024),0) total_spacefrom d

1、首先查看表空间的名字和所属文件

select tablespace_name, file_id, file_name,round(bytes/(1024*1024),0) total_spacefrom dba_data_filesorder by tablespace_name;


2、增加数据文件

alter tablespace users add datafile '/u01/Oracle/oradata/umail/users02.dbf'  size 4000M autoextend off;alter database datafile '/u01/oracle/oradata/umail/user01.dbf' autoextend off;


3、设定后查看表空间信息

SELECT A.TABLESPACE_NAME,A.BYTES TOTAL,B.BYTES USED, C.BYTES FREE,(B.BYTES*100)/A.BYTES "% USED",(C.BYTES*100)/A.BYTES "% FREE"FROM SYS.SM$TS_AVAIL A,SYS.SM$TS_USED B,SYS.SM$TS_FREE CWHERE A.TABLESPACE_NAME=B.TABLESPACE_NAME AND A.TABLESPACE_NAME=C.TABLESPACE_NAME;

完成。

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