Quick overview of the state of an Oracle database

有时候我们需要快速浏览数据库的大致情况，如表空间大小，数据库参数，表格等。以下脚本引自www.orafaq.com，个人觉得还不错。摘录如下

引用

SET LINESIZE 1000
SET PAGESIZE 1000
spool report.txt
prompt You can leave this script copied at $ORACLE_HOME\rdbms\admin\
prompt - Remember to use also statspack o bstats depending on the Oracle version
prompt - Review alert.log
prompt
prompt
prompt TABLESPACE STATUS
Select t.tablespace_name  "Tablespace",  t.status "Estado", 
    ROUND(MAX(d.bytes)/1024/1024,2) "MB Tamaño",
    ROUND((MAX(d.bytes)/1024/1024) -
    (SUM(decode(f.bytes, NULL,0, f.bytes))/1024/1024),2) "MB Usados",  
    ROUND(SUM(decode(f.bytes, NULL,0, f.bytes))/1024/1024,2) "MB Libres",
    t.pct_increase "% incremento",
    SUBSTR(d.file_name,1,80) "Fichero de datos" 
FROM DBA_FREE_SPACE f, DBA_DATA_FILES d,  DBA_TABLESPACES t 
WHERE t.tablespace_name = d.tablespace_name  AND
    f.tablespace_name(+) = d.tablespace_name   
    AND f.file_id(+) = d.file_id GROUP BY t.tablespace_name,  
    d.file_name,   t.pct_increase, t.status ORDER BY 1,3 DESC;
prompt
prompt
prompt INSTALLED PRODUCTS AND ITS VERSION
select * from product_component_version;
prompt
prompt
prompt ORACLE PARAMETERS DIFFERENT TO DEFAULT
select name, value from v$parameter where isdefault = 'FALSE';
prompt
prompt
prompt STATUS OF TABLES
select OWNER,TABLE_NAME,PCT_FREE,PCT_USED,AVG_SPACE,PARTITIONED,LAST_ANALYZED from DBA_TABLES ORDER BY OWNER,AVG_SPACE;
spool off;
quit