oracle查看对象信息

SELECT owner, object_type, status, COUNT(*) count# 
FROM all_objects 
where owner=‘xxx‘
GROUP BY owner, object_type, status
order by 2; 

1 select ‘analyze table ‘|| table_name||‘ compute statistics;‘ from  user_tables;
2 
3 select table_name,num_rows from dba_tables where owner=‘WEBAGENT‘ order by 1;
4 
5 select count(*) from WITHDRAWAL_ORG;

SELECT t.tablespace_name, round(SUM(bytes / (1024 * 1024*1024)), 0) ts_size_GB
FROM dba_tablespaces t, dba_data_files d 
WHERE t.tablespace_name = d.tablespace_name 
GROUP BY t.tablespace_name; 

SELECT tablespace_name ,SUM(bytes) / (1024 * 1024) AS free_space_MG
FROM dba_free_space 
GROUP BY tablespace_name; 

SELECT a.tablespace_name, 
a.bytes total, 
b.bytes used, 
c.bytes free, 
(b.bytes * 100) / a.bytes "% USED ", 
(c.bytes * 100) / a.bytes "% FREE " 
FROM sys.sm$ts_avail a, sys.sm$ts_used b, sys.sm$ts_free c 
WHERE a.tablespace_name = b.tablespace_name 
AND a.tablespace_name = c.tablespace_name;

SELECT tablespace_name, 
file_id, 
file_name, 
round(bytes / (1024 * 1024*1024), 0) total_space 
FROM dba_data_files 
ORDER BY tablespace_name;

select a.username, a.sid,b.SQL_TEXT, b.SQL_FULLTEXT
  from v$session a, v$sqlarea b 
where a.sql_address = b.address;

select b.SQL_TEXT,b.FIRST_LOAD_TIME,b.SQL_FULLTEXT
  from v$sqlarea b
where b.FIRST_LOAD_TIME between ‘2009-10-15/09:24:47‘ and
       ‘2009-10-15/09:24:47‘ order by b.FIRST_LOAD_TIME 

1 drop table t1 purge;
2 purge recyclebin;

select event,
       sum(decode(wait_Time, 0, 0, 1)) "Prev",
       sum(decode(wait_Time, 0, 1, 0)) "Curr",
       count(*) "Tot"
  from v$session_Wait
 group by event
 order by 4;

select object_type,count(*) from user_objects group by object_type;

select SEGMENT_TYPE，COUNT(*) from dba_segments where tablespace_name=‘TSP_WEBAGENT‘  GROUP BY SEGMENT_TYPE;