1.查询表空间使用情况: sqlplus system/manager@topprod <div class="codetitle"><a style="CURSOR: pointer" data="20759" class="copybut" id="copybut20759" onclick="doCopy('code20759')"> 代码如下:<div class="codebody" id="code20759"> SQL>@q_tbsFREE 2.查询temp使用方法: sqlplus system/manager@topprod <div class="codetitle"><a style="CURSOR: pointer" data="12473" class="copybut" id="copybut12473" onclick="doCopy('code12473')"> 代码如下:<div class="codebody" id="code12473"> SQL>SELECT d.tablespace_name tablespace_name ,d.status tablespace_status ,NVL(a.bytes,0) tablespace_size ,NVL(t.bytes,0) used ,TRUNC(NVL(t.bytes / a.bytes * 100,0)) used_pct ,NVL(s.current_users,0) current_users FROM sys.dba_tablespaces d ,( select tablespace_name,sum(bytes) bytes from dba_temp_files group by tablespace_name ) a ,sum(bytes_cached) bytes from v$temp_extent_pool group by tablespace_name ) t ,v$sort_segment s WHERE d.tablespace_name = a.tablespace_name(+) AND d.tablespace_name = t.tablespace_name(+) AND d.tablespace_name = s.tablespace_name(+) AND d.extent_management like 'LOCAL' AND d.contents like 'TEMPORARY'; 2.清理TEMP临时表空间:(在无用户连接的状况下操作,最好在清理之前重启一下数据库) <div class="codetitle"><a style="CURSOR: pointer" data="90446" class="copybut" id="copybut90446" onclick="doCopy('code90446')"> 代码如下:<div class="codebody" id="code90446"> #重启数据库 sqlplus '/as sysdba' SQL>shutdown immediate SQL>startup #创建一个临时表空间temp02,用作临时替换 SQL>create temporary tablespace temp02 tempfile '/u2/oradb/oradata/topprod/temp02.dbf' size 10M autoextend on next 10M; #将系统临时表空间指向temp02 SQL>alter database default temporary tablespace temp02; #删除原来的临时表空间temp SQL>drop tablespace temp including contents and datafiles; #创建新的临时表空间temp SQL>create temporary tablespace temp tempfile '/u2/oradb/oradata/topprod/temp01.dbf' size 4096M autoextend on next 100M; #将系统临时表空间指回temp SQL>alter database default temporary tablespace temp; #删除临时表空间temp02 SQL>drop tablespace temp02 including contents and datafiles; 3.清理UNDO表空间:(在无用户连接的状况下操作,最好在清理之前重启一下数据库) <div class="codetitle"><a style="CURSOR: pointer" data="29967" class="copybut" id="copybut29967" onclick="doCopy('code29967')"> 代码如下:<div class="codebody" id="code29967"> #重启数据库 sqlplus '/as sysdba' SQL>shutdown immediate SQL>startup #创建一个UNDO表空间undotbs2,用作临时替换 SQL>create undo tablespace undotbs2 datafile '/u2/oradb/oradata/topprod/undotbs02.dbf' size 10M autoextend on next 10M; #将系统UNDO表空间指向undotbs2 SQL>alter system set undo_tablespace=undotbs2 scope=both; #确保所有在UNDOTBS1的undo segment都已offline SQL> select SEGMENT_NAME,STATUS,TABLESPACE_NAME from dba_rollback_segs; #删除原来的UNDO表空间undotbs1 SQL>drop tablespace undotbs1 including contents and datafiles; #创建新的临时表空间undotbs1 SQL>create undo tablespace undotbs1 datafile '/u2/oradb/oradata/topprod/undotbs01.dbf' size 4096M; #将系统UNDO表空间指回undotbs1 SQL>alter system set undo_tablespace=undotbs1 scope=both; #删除UNDO表空间undotbs2 SQL>drop tablespace undotbs2 including contents and datafiles; 3.清理TEMPTABS表空间: <div class="codetitle"><a style="CURSOR: pointer" data="11405" class="copybut" id="copybut11405" onclick="doCopy('code11405')"> 代码如下:<div class="codebody" id="code11405"> #删除TEMPTABS表空间 SQL>drop tablespace temptabs including contents and datafiles; #创建TEMPTABS表空间 SQL>create tablespace temptabs datafile '/u2/oradb/oradata/topprod/temptabs.dbf' size 4096M autoextend on next 100M; 或者删除表 [code] select 'drop table '||segment_name ||';' from dba_segments where tablespace_name='TEMPTABS' and segment_name like 'TT%' and segment_name not like '%_FILE'; 4.增加系统表空间: <div class="codetitle"><a style="CURSOR: pointer" data="93651" class="copybut" id="copybut93651" onclick="doCopy('code93651')"> 代码如下:<div class="codebody" id="code93651"> alter tablespace SYSTEM add datafile '/u2/oradb/oradata/topprod/system02.dbf' size 2000M autoextend on next 10M; alter tablespace SYSAUX add datafile '/u2/oradb/oradata/topprod/sysaux02.dbf' size 2000M autoextend on next 10M;
(编辑:李大同)
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