select 'set newname for datafile ' || x.FILE# || ' to ' ||
new_file_Location || substr(x.NAME,instr(x.name,'/',-1)+1 ,length(x.name)-instr(x.name,'/',-1))
from v$datafile x,(select &new_loc new_file_Location from dual);
實驗一下
<pre code_snippet_id="1730831" snippet_file_name="blog_20160626_1_5099860" name="code" class="sql">SQL> select 'set newname for datafile ' || x.FILE# || ' to ' ||
2 new_file_Location || substr(x.NAME,instr(x.name,'/',-1)+1 ,length(x.name)-instr(x.name,'/',-1))
3 from v$datafile x,(select &new_loc new_file_Location from dual);
Enter value for new_loc: '/home/oracle/'
old 3: from v$datafile x,(select &new_loc new_file_Location from dual)
new 3: from v$datafile x,(select '/home/oracle/' new_file_Location from dual)
'SETNEWNAMEFORDATAFILE'||X.FILE#||'TO'||NEW_FILE_LOCATION||SUBSTR(X.NAME,INSTR(X.NAME,'/',-1)+1,LENGTH(X.NAME)-INSTR(X.NAME,'/',-1))
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set newname for datafile 1 to /home/oracle/system01.dbf
set newname for datafile 2 to /home/oracle/sysaux01.dbf
set newname for datafile 3 to /home/oracle/undotbs01.dbf
set newname for datafile 4 to /home/oracle/users01.dbf
set newname for datafile 5 to /home/oracle/example01.dbf