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select user_name,sql_text from v$open_cursor where sid in (select sid from (select sid,serial#,username,program from v$session where status='ACTIVE'));
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alter tablespace ±í¿Õ¼äÃû add datafile '/u1/oradata/userdata_002.ora' size 50m;
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alter database datafile '/u1/oradata/userdata_001.ora' resize 50M;
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¡¡¡¡select * from cat;
¡¡¡¡select * from tab;
¡¡¡¡select table_name from user_tables;
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¡¡¡¡select text from user_views where view_name=upper('&view_name');
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¡¡¡¡select index_name,table_owner,table_name,tablespace_name,status from user_indexes order by table_name;
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¡¡¡¡select trigger_name,trigger_type,table_owner,table_name,status from user_triggers;
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¡¡¡¡select owner,name,master,table_name,last_refresh,next from user_snapshots order by owner,next;
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¡¡¡¡select * from syn;
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¡¡¡¡select * from seq;
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¡¡¡¡select * from user_db_links;
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¡¡¡¡select TABLE_NAME,CONSTRAINT_NAME,SEARCH_CONDITION,STATUS from user_constraints;
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¡¡¡¡select * from user_tab_privs;
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¡¡¡¡select * from user_sys_privs;
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¡¡¡¡select * from all_users order by user_id;
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¡¡¡¡select tablespace_name,sum(bytes) ×Ü×Ö½ÚÊý,max(bytes),count(*) from dba_free_space group by tablespace_name£»
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¡¡¡¡select table_name from dict order by table_name;
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¡¡¡¡select * from v$lock;²»°üÀ¨DDLËø
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¡¡¡¡select name,value$ from props$ where name='NLS_CHARACTERSET';
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¡¡¡¡select name,value from v$parameter order by name;
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¡¡¡¡select sql_te
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