表空间 on darcyjoven

Oracle表空间查询与增加

Wed, 14 Oct 2026 00:00:00 +0000

表空间查询

system/sys 登录sqlplus后运行@q_tbsFREE

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select * from (
 select t.tablespace_name,t.owner, t.segment_name, t.segment_type, sum(t.bytes / 1024 / 1024) mb
 from dba_segments t
 where t.segment_type='TABLE'
	AND tablespace_name ='TEMPTABS'
 group by t.tablespace_name,t.OWNER, t.segment_name, t.segment_type
) t
order by t.mb desc;

查询表空间文件

查询命令@q_datafile

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select t.tablespace_name,
 d.file_name,
 d.bytes / 1024 / 1024 as size_mb,
 d.autoextensible,
 d.maxbytes / 1024 / 1024 as max_size_mb
 from dba_tablespaces t
 join dba_data_files d
 on t.tablespace_name = d.tablespace_name
 order by t.tablespace_name, d.file_name;

增加表空间

alter tablespace xx add datafile 'xxx.dbf' size 4G;

默认账户密码

TOPGP system/manager
T100 system/tiptop100