DBA_HIST_TBSPC_SPACE_USAGEは、表領域の使用に関する統計情報の履歴を示します。 列データ型NULL説明 SNAP_ID NUMBER 一意のスナップショットID DBID NUMBER NOT NULL スナップショットのデータベースID TABLESPACE_ID NUMBER 表領域ID TABLESPACE_SIZE ...
dba_hist_tbspc_space_usage视图中存放了历史信息 select a.name, b.* from v$tablespace a, (select tablespace_id, trunc(to_date(rtime, 'mm/dd/yyyy hh24:mi:ss')) datetime, round(max(tablespace_usedsize * 8 / 1024),2) used_size_MB from dba_hist_tbspc_space_usage where trunc(to_date...
5 round(max(tablespace_usedsize * 8 / 1024),2) used_size_MB 6 from dba_hist_tbspc_space_usage 7 where trunc(to_date(rtime, 'mm/dd/yyyy hh24:mi:ss')) > 8 trunc(sysdate - 17) 9 group by tablespace_id, 10 trunc(to_date(rtime, 'mm/dd/yyyy hh24:mi:ss')) 11 order by t...
观察者两个视图的运行结果,DBA_HIST_TBSPC_SPACE_USAGE视图收集到的统计大小和实际大小都存在一定的误差,但是UNDO表空间出入太明显(UNDOTBS1),特别是最大值和当前值,几乎是真实大小的两倍 4.排除原因 4.1)收集信息是否是最新 SQL> select MAX(rtime) FROM DBA_HIST_TBSPC_SPACE_USAGE; MAX(RTIME) --- 01/0...
dba_hist_tbspc_space_usage a join v$tablespace b on a.tablespace_id = b.ts# join dba_tablespaces c on b.name = c.tablespace_name join (select tablespace_name, sum(bytes)/1024/1024 as datafile_size from dba_data_files group by tablespace_name ...
依靠dba_hist_tbspc_space_usage视图 获得表空间的每日增长量 SQL> select a.name, b.* 2 from v$tablespace a, 3 (select tablespace_id, 4 tablespace increase sed sql nload - displays the current network usage nload(1) Network monitoring tools ... ide .net linux Oracle dba_tablespace_usage...
select tablespace_name,round(free_space/1024/1024/1024,2)"free(GB)",round(tablespace_size/1024/1024/1024,2)"total(GB)",round(nvl(free_space,0)*100/tablespace_size,3)"Free percent"from dba_temp_free_space;注意:Primary 端涉及到的临时表空间创建维护、临时文件创建的操作是不会传导到 standby ...
Oracle Database 23ai Free Release 23.0.0.0.0 - Develop, Learn, and Run for Free Version 23.4.0.24.05 SQL> show pdbs; CON_ID CON_NAME OPEN MODE RESTRICTED --- --- --- --- 2 PDB$SEED READ ONLY NO 3 FREEPDB1 READ WRITE NO SQL> select con_...
DBA_HIST_SYSTEM_EVENT - System Event Historical Statistics Information DBA_HIST_SYS_TIME_MODEL - System Time Model Historical Statistics Information DBA_HIST_TABLESPACE_STAT - Tablespace Historical Statistics Information DBA_HIST_TBSPC_SPACE_USAGE - Tablespace Usage Historical Statistics Information ...