【正文】
ct count(*) from dba_data_files。 表空間使用率SELECT Status, Name, Type, Extent, TO_CHAR(NVL( / 1024 / 1024, 0), 39。) Size (M), TO_CHAR(NVL( NVL(, 0), 0) / 1024 / 1024, 39。) Used (M), TO_CHAR(NVL(( NVL(, 0)) / * 100, 0), 39。) Used % FROM d, (select tablespace_name, sum(bytes) bytes from dba_data_files group by tablespace_name) a, (select tablespace_name, sum(bytes) bytes from dba_free_space group by tablespace_name) f WHERE = (+) AND = (+) AND NOT ( like 39。 AND like 39。)UNION ALLSELECT Status, Name, Type, Extent, TO_CHAR(NVL( / 1024 / 1024, 0), 39。) Size (M), TO_CHAR(NVL(, 0) / 1024 / 1024, 39。) Used (M), TO_CHAR(NVL( / * 100, 0), 39。) Used % FROM d, (select tablespace_name, sum(bytes) bytes from dba_temp_files group by tablespace_name) a,