datafile1 data file size 줄이기 set verify off column file_name format a50 word_wrapped column smallest format 999,990 heading "Smallest|Size|Poss." column currsize format 999,990 heading "Current|Size" column savings format 999,990 heading "Poss.|Savings" break on report compute sum of savings on report column value new_val blksize select value from v$parameter where name = 'db_block_size' / select file_name, ceil( (nvl(hwm,1.. 2008. 10. 7. 이전 1 다음