1. 程式人生 > >oracle筆記整理16——表空間利用率、鎖表、鎖包、dbms_job操作

oracle筆記整理16——表空間利用率、鎖表、鎖包、dbms_job操作

select * from (select a.TABLESPACE_NAME Tablespace_Name, sum(a.bytes / 1024 / 1024) total_size, sum(nvl(b.free_space1 / 1024 / 1024, 0)) nouse_space, sum(a.bytes / 1024 / 1024) - sum(nvl(b.free_space1 / 1024
/ 1024, 0)) used_space, round((sum(a.bytes / 1024 / 1024) - sum(nvl(b.free_space1 / 1024 / 1024, 0))) * 100 / sum(a.bytes / 1024 / 1024), 2) used_pres from
dba_data_files a, (select sum(nvl(bytes, 0)) free_space1, file_id from dba_free_space group by file_id) b where a.file_id = b.file_id(+) and a.tablespace_name not
in (select value from v$spparameter where name = 'undo_tablespace') group by a.TABLESPACE_NAME) -------------------- union all select tablespace_name, (select sum(bytes_used) / 1024 / 1024 from v$temp_space_header where tablespace_name = a.tablespace_name) total_size, (select sum(bytes_used) / 1024 / 1024 from v$temp_space_header where tablespace_name = a.tablespace_name) - nvl((select sum(su.blocks * to_number(rtrim(p.value))) / 1024 / 1024 as Space from v$sort_usage su, v$parameter p where p.name = 'db_block_size' and su.TABLESPACE = a.tablespace_name), 0) nouse_space, nvl((select sum(su.blocks * to_number(rtrim(p.value))) / 1024 / 1024 as Space from v$sort_usage su, v$parameter p where p.name = 'db_block_size' and su.TABLESPACE = a.tablespace_name), 0) used_space, round(nvl((select sum(su.blocks * to_number(rtrim(p.value))) / 1024 / 1024 as Space from v$sort_usage su, v$parameter p where p.name = 'db_block_size' and su.TABLESPACE = a.tablespace_name) / (select sum(bytes_used) / 1024 / 1024 from v$temp_space_header where tablespace_name = a.tablespace_name) * 100, 0), 2) used_pres from (select distinct tablespace_name from v$temp_space_header) a union all ------------------------- select a.tablespace_name, total_undo total_size, total_undo - used_undo nouse_space, used_undo used_space, trunc(used_undo / total_undo * 100, 2) used_pres from (select nvl(sum(bytes / 1024 / 1024), 0) used_undo, tablespace_name from dba_undo_extents where status = 'ACTIVE' group by tablespace_name) a, (select tablespace_name, sum(bytes / 1024 / 1024) total_undo from dba_data_files where tablespace_name in (select value from v$spparameter where name = 'undo_tablespace') group by tablespace_name) b where a.tablespace_name = b.tablespace_name;