Oracle-日常运维-删除临时文件回收空间
一需求、 为什么删除了临时文件,但是v$tempfile,dba_temp_files视图中还是存在记录
alter tablespace cc drop tempfile '/xxx'; Mon Apr 19 14:26:56 2021 alter tablespace cc drop tempfile '/xxx' Completed: alter tablespace cc drop tempfile 'xxx' SYS>select file_name,file_id,TABLESPACE_NAME,BYTES/1024/1024/1024,AUTOEXTENSIBLE,maxbytes/1024/1024/1024 from
dba_temp_files where tablespace_name='cc'; FILE_NAME FILE_ID TABLESPACE_NAME -------------------------------------------------- xxx 1 cc SYS>select * from v$tempfile; FILE# CREATION_CHANGE# CREATION_TIME TS# RFILE# STATUS ENABLED BYTES BLOCKS CREATE_BYTES BLOCK_SIZE NAME ---------- ---------------- --------------- ---------- ---------- ------- ---------- ---------- ---------- ------------ ---------- 1 3205 23-NOV-14 3 1 OFFLINE READ WRITE 0 0 2097152000 8192 xxx
二、语法不正确
SQL> alter tablespace cc drop tempfile 1;