1. 统计数据文件、暂时文件、日志文件大小
select sum(bytes)/1024/1024/1024 as GB from dba_data_files; select sum(bytes)/1024/1024/1024 as GB from dba_temp_files; select sum(bytes)/1024/1024/1024 as GB from v$log;
2. 统计Oracle数据库文件占用空间
Total Size of the database=
A+B+C
select sum(gb) total_gb from (select sum(bytes) / 1024 / 1024 / 1024 as gb from dba_data_files union all select sum(bytes) / 1024 / 1024 / 1024 as gb from dba_temp_files union all select sum(bytes) / 1024 / 1024 / 1024 as gb from v$log)
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