oracle的系统表 1、用户: select username from dba_users; 2、表空间: select * from dba_data_files; //数据文件 select * from dba_tablespaces; //表空间 select tablespace_name,sum(bytes), sum(blocks) from dba_free_space group by tablespace_name; //空闲表空间 select * from dba_data_files where tablespace_name='RBS'; //表空间对应的数据文件 select * from dba_segments where tablespace_name='INDEXS'; // 3、数据库对象: select * from dba_objects; // 4、表:...............
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ORACLE 系统