統計數據庫各用戶佔用空間狀況

按用戶統計表佔用狀況sql SELECT t.owner, trunc(SUM(db_size),3) db_size_M FROM( select owner,table_name, NUM_ROWS, BLOCKS*(select to_number(p.VALUE) from v$parameter p where p.NAME = 'db_block_size')/1024/

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