查看数据库文件大小,最直接的方式是打开对应的安装目录进行查看,也可以通过数据库的管理视图进行查看,如:
数据文件
select sum(bytes)/1024/1024/1024||'GB' from DBA_DATA_FILES;
日志文件
select sum(bytes)/1024/1024||'MB' from v$log;
临时文件
select sum(bytes)/1024/1024||'MB' from DBA_TEMP_FILES;
汇总统计数据文件、日志文件、临时文件
select sum(GB) as total
from (select sum(bytes)/1024/1024/1024 as GB from DBA_DATA_FILES
union all
select sum(bytes)/1024/1024/1024 from DBA_TEMP_FILES
union all
select sum(bytes)/1024/1024/1024 from v$log
);